Rohde & Schwarz FSEB20 Operating Instructions Manual
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Rohde & Schwarz FSEB20 Operating Instructions Manual

Rohde & Schwarz FSEB20 Operating Instructions Manual

Spectrum analyzer
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Download this manual
Volume 1
Operating manual consists of 2 volumes
Printed in the Federal
Republic of Germany
1065.6016.12-14-
www.valuetronics.com
Operating Manual
SPECTRUM ANALYZER
FSEA20/30
1065.6000.20/.25/35
FSEB20/30
1066.3010.20/.25/35
FSEM20/30
1080.1505.20/.21/.25
1079.8500.30/.31/.35
FSEK20/30
1088.1491.20/.21/.25
1088.3494.30/.31/.35
Test and
Measurement Division
I
10/01

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  • Page 1 Test and Measurement Division Operating Manual SPECTRUM ANALYZER FSEA20/30 1065.6000.20/.25/35 FSEB20/30 1066.3010.20/.25/35 FSEM20/30 1080.1505.20/.21/.25 1079.8500.30/.31/.35 FSEK20/30 1088.1491.20/.21/.25 1088.3494.30/.31/.35 Volume 1 Operating manual consists of 2 volumes Printed in the Federal Republic of Germany 1065.6016.12-14- 10/01 www.valuetronics.com...
  • Page 2 www.valuetronics.com...

  • Page 3: Tabbed Divider Overview

    Tabbed Divider Overview Tabbed Divider Overview Volume 1 Data Sheet Safety Instructions Certificate of quality EC Certificate of Conformity Support Center List of R & S Representatives Manuals for Signal Analyzer FSE Tabbed Divider Chapter 1: Putting into Operation Chapter 2: Getting Started Chapter 3: Operation...
  • Page 4 www.valuetronics.com...

  • Page 5: Safety Instructions

    Safety Instructions This unit has been designed and tested in accordance with the EC Certificate of Conformity and has left the manufacturer’s plant in a condition fully complying with safety standards. To maintain this condition and to ensure safe operation, the user must observe all instructions and warnings given in this operating manual.

  • Page 6: Patent Information

    Safety Instructions 10. Ensure that the connections with information Electrostatics via the connectors may dam- technology equipment comply with IEC950 / age the equipment. For the safe handling and EN60950. operation of the equipment, appropriate measures against electrostatics should be im- 11.
  • Page 7 www.valuetronics.com...
  • Page 8 www.valuetronics.com...
  • Page 9 EC Certificate of Conformity Certificate No.: 9502002 This is to certify that: Equipment type Order No. Designation FSEA20/30 1065.6000.20/.25/.30/.35 Spectrum Analyzer FSEB20/30 1066.3010.20/.25/.30/.35 FSEK20/21 1088.1491.20/.21/.25 FSEK30/31 1088.3494.30/.31/.35 FSEM20/21 1080.1505.20/.21/.25 FSEM30/31 1079.8500.30/.31/.35 complies with the provisions of the Directive of the Council of the European Union on the...
  • Page 10 www.valuetronics.com...
  • Page 11 EC Certificate of Conformity Certificate No.: 9502052 This is to certify that: Equipment type Stock No. Designation FSE-B1 1073.4990.02 Color Display FSE-B10 1066.4769.02 Tracking Generator FSE-B11 1066.4917.02 Tracking Generator FSE-B12 1066.5065.02 Output Attenuator FSE-B13 1119.6499.02 1 dB Input Attenuator FSE-B15 1073.5696.02/.03 Computer Function FSE-B16...
  • Page 12 www.valuetronics.com...

  • Page 13: Support Center

    Support Center Telefon / Telephone: (0180) 512 42 42 Fax: (++89) 41 29 - 137 77 e-mail: CustomerSupport@rsd.rohde-schwarz.com Für technische Fragen zu diesem Rohde & Schwarz-Gerät steht Ihnen ab sofort unsere Hotline der Rohde & Schwarz Vertriebs- GmbH, Support Center, zur Verfügung. Unser Team bespricht mit Ihnen Ihre Fragen und sucht Lösungen für Ihre Probleme.
  • Page 14 www.valuetronics.com...
  • Page 15                  6   .        0  .  @       . ) + # #  ' * - ) 1 )   A    0 !   "...
  • Page 16  # &        "  A R  S  ; !    , $ '  E - F  - ( (  $ )  $ )    J  R    ?  , 1 )  E # F  ( - -  + -  # 1 ? G   ;...
  • Page 17  .   +  $  /  +      !   7    ; !  , - $ *  E - F  $ $  & )  & &  B  A       2 ?  6  @ B    ?  , * (  E - 1 F  1 &...
  • Page 18  $   &   3   "       %         !    A  !    D !   E  ! D  F  ; !   , - (  E # # F  ( # +  $ (  ) )     $ (  + #  B  A       2 ?  6 , + ( #  E * F  1 + *  * &...
  • Page 19 Contents of Manuals for Spectrum Analyzer FSE Operating Manual FSE The operating manual describes the following models and options: • FSEA20/30 9kHz/20 Hz to 3,5 GHz • FSEB20/30 9kHz/20 Hz to 7 GHz • FSEM20/30 9kHz/20 Hz to 26,5 GHz • FSEK20/30 9kHz/20 Hz to 40 GHz •...
  • Page 20 Manuals Service Manual - Instrument The service manual - instrument informs on how to check compliance with rated specifications (per- formance test) and on the self tests. Service Manual The service manual is not delivered with the instrument but may be obtained from your R&S service department using the order number 1065.6016.94.

  • Page 21: Table Of Contents

    Contents – Preparing for Operation Contents - Chapter 1 " Preparing for Operation " 1 Preparing for Operation ..................1.1 Description of Front and Rear Panel Views .................. 1.1 Front View..........................1.1 Rear View ..........................1.13 ® Start-Up - Instruments with Windows NT Controller..............
  • Page 22 Contents – Preparing for Operation ® Start-Up - Instruments with MS DOS Controller or without Controller ........1.56 Unpacking the Instrument...................... 1.56 Instrument Setup ........................1.56 19" Rack Installation....................1.56 EMI Protection Measures ...................... 1.57 Connecting to AC Power ....................... 1.57 AC Power Line Fuses ......................

  • Page 23: Preparing For Operation

    Front View 1 Preparing for Operation Chapter 1 describes the controls and connectors of the Spectrum Analyzer FSE by means of the front and rear view. Then follows all the information that is necessary to put the instrument into operation and connect it to the AC supply and to external devices.
  • Page 24 Front View Fig. 1-1 Front View 1065.6016.12 www.valuetronics.com...
  • Page 25 Front View LINES Setup evaluation lines and tolerance limits see Chap. 4 LINES D LINES Setup evaluation lines (display lines) D LINES LIMITS Definition and recall of tolerance limits LIMITS LEVEL Define reference levels and display range in the active LEVEL measurement window.
  • Page 26 Front View Figure 1-1 Front View 1065.6016.12 www.valuetronics.com...
  • Page 27 Front View 3 1/2" diskette drive; 1.44 MByte MEMORY Memory media and file management MEMORY see Chap. 4 SAVE SAVE Save instrument data RECALL Recall instrument data RECALL CONFIG Configuration of memory media and data CONFIG INPUT Set impedance and attenuation at the RF input. see Chap.
  • Page 28 Front View Figure 1-1 Front View 1065.6016.12 www.valuetronics.com...
  • Page 29 Front View PROBE/CODE Power supply and coded socket for R&S see Chap. 8 PROBE/CODE accessories.(12-pin Tuchel) SWEEP Input sweep parameters see Chap. 4 SWEEP TRIGGER TRIGGER Set trigger source. The LED illuminates on valid trigger. SWEEP Set type of sweep. SWEEP COUPLING Set coupled parameters.
  • Page 30 Front View Figure 1-1 Front View 1065.6016.12 www.valuetronics.com...
  • Page 31 Front View PROBE POWER Power supply connector (+15V / - 12.6V) for see Chap. 8 PROBE POWER measurement accessories (probes) Reserved for options Reserved for options AF OUTPUT AF output connector (head phones) (miniature see Chap. 8 AF OUTPUT phone jack) Internal loudspeaker see Chap.
  • Page 32 Front View Fig.1-1 Front View 1065.6016.12 1.10 www.valuetronics.com...
  • Page 33 Front View STATUS Indicators for remote control and switch for manual see Chap. 4 STATUS control. LOCAL Switch from remote to manual control. REMOTE The LED SRQ indicates that a service LOCAL request from the instrument is active on the IEC Bus.
  • Page 34 Rear View Fig. 1-2 Rear View 1065.6016.12 1.12 www.valuetronics.com...

  • Page 35: Rear View

    Rear View Rear View Power switch see Chap. 1 Fuse holder AC power connector Power supply fans EXT TRIG/GATE EXT TRIG/GATE Input connector for an external trigger or an external see Chap. 4 and 8 gate signal Reserved for options IF 21.4 MHZ OUT IF 21.4 MHz Output connector for 21.4 MHz IF...
  • Page 36 Rear View Figure 1-2 Rear View 1065.6016.12 1.14 www.valuetronics.com...
  • Page 37 Rear View NOISE SOURCE NOICE SOUR Output connector for a switchable noise source see Chap. 8 SWEEP SWEEP Output connector see Chap. 8 During a sweep, a sawtooth voltage is output which is proportional to frequency. <SCPI> IEC625 IEC\IEEE-bus-connector see Chap. 8 <SCPI>...
  • Page 38 Rear View Figure 1-2 Rear View 1065.6016.12 1.16 www.valuetronics.com...
  • Page 39 Rear View COM2 Connector for serial interface 2 see Chap. 1 and 8 COM2 (9-pin socket; COM2) COM1 Connector for serial interface 1 see Chap. 1 and 8 COM1 (9-pin socket; COM1) MOUSE Connector for a PS/2 mouse see Chap. 1 and 8 MOUSE Parallel interface connector see Chap.

  • Page 40: Start-Up - Instruments With Windows Nt ® Controller

    Start-Up - Instruments with Windows NT Controller ® Start-Up - Instruments with Windows NT Controller The following section describes how to put the instrument into service and how to connect external devices like eg printer and monitor. Important Note: Before turning the instrument on, check the following: •...

  • Page 41: 19" Rack Installation

    Start-Up - Instruments with Windows NT Controller 19" Rack Installation Important Note: When the instrument is rack-mounted, ensure that the air flow through the side- panel holes and the air outlet in the rear panel are not obstructed. The instrument may be mounted in a 19" rack by using the rack adapter kit ZZA-95 (order number: see data sheet).

  • Page 42: Switching The Instrument On/Off

    Start-Up - Instruments with Windows NT Controller Switching the Instrument on/off Caution: Do not power down during booting. This may corrupt harddisk files. Note: On power-up, the drive should contain no disk, since otherwise the instrument will try to boot from the disk.

  • Page 43: Startup Menu And Booting

    Start-Up - Instruments with Windows NT Controller Startup Menu and Booting When the instrument is switched on, a message indicating the installed BIOS version (eg Analyzer BIOS Rev. 1.2) appears on the screen for a few seconds. Windows NT is booted first and then the instrument firmware. As soon as boot up is over, the instrument will start measuring.

  • Page 44: Function Test

    Functional Test - Instruments with Windows NT Controller Function Test On power up, the FSE displays the following message on the screen: Analyzer BIOS Rev.x.y Copyright Rohde & Schwarz Munich Booting A self-test of the digital hardware is then performed. If the self-test finds no faults, Windows NT is booted up and the instrument starts measuring.

  • Page 45: Controller Function - Windows Nt

    Windows NT Controller Function Controller Function - Windows NT Caution: The drivers used in the integrated controller function are specially configured for the instrument. To prevent functions crashing, only the settings described below should be used. Only the update software released by Rohde&Schwarz should be used to update the drivers.

  • Page 46: Connecting A Mouse

    Connecting a Mouse - with Windows NT Controller Connecting a Mouse Caution: The keyboard may only be connected when the instrument is switched off (STANDBY). Otherwise, correct operation of the keyboard cannot be guaranteed. A mouse can be connected to the PS/2 (MOUSE) connector on the rear panel of the instrument to make it easier to use.

  • Page 47: Connecting An External Keyboard

    Connecting an External Keyboard - with Windows NT Controller Connecting an External Keyboard Caution: The mouse may only be connected when the instrument is switched off (STANDBY). Otherwise, correct operation of the mouse and instrument cannot be guaranteed. The instrument is fitted with a rear-panel 5-contact DIN connector (KEYBOARD) for the connection of an external PC keyboard.

  • Page 48: Connecting An External Monitor

    Connecting an External Monitor - with Windows NT Controller Connecting an External Monitor Caution: The monitor may only be connected when the instrument is switched off (STANDBY). Otherwise, the monitor may be damaged. Do not modify the screen driver (display type) as this would cause a malfunction. Notes: - When connecting the monitor to the PC MONITOR connector, the display of controller function can be adapted to the external screen (eg higher resolution) in the NT menu...
  • Page 49 Connecting an External Monitor - with Windows NT Controller Call SETUP-GENERAL SETUP menu CONFIGURATION ½ Press the SETUP key in the CONFIGURATION EXTERNAL REFERENCE field. MODE The SETUP menu is opened. SETUP GENERAL SETUP ½ Press the GENERAL SETUP softkey. The GENERAL SETUP submenu is opened and the current settings of the instrument parameters are displayed on the screen in the form of tables.

  • Page 50: Connecting A Printer

    Connecting a Printer - with Windows NT Controller Connecting a Printer Caution: The printer may be connected only when the instrument is switched off (STANDBY) Notes: - The installation of some printer drivers is possible only under the administrator identification (see section "Controller Function").
  • Page 51 Connecting a Printer - with Windows NT Controller Note: The serial interfaces can be used for remote control when the analyzer is made the owner (Owner = Instrument). The settings made for the serial interface in the menu SETUP - GENERAL SETUP overwrite the settings in the NT menu..
  • Page 52 Connecting a Printer - with Windows NT Controller Select printer driver under Windows NT ½ Press key combination <ALT> <SYSREQ> The Windows NT screen is displayed. ½ In the Start menu click on "Settings" and then "Printers". The printer window is opened. ½...
  • Page 53 Connecting a Printer - with Windows NT Controller ½ Mark "HP" in the "Manufacturers" selection table and "HP DeskJet 660C" in the "Printers" selection table . Note: If the required printer type is not in the list, the driver has not yet been installed.
  • Page 54 Connecting a Printer - with Windows NT Controller ½ Switch on printer. ½ Click Yes (recommended)". ½ Click "Finish". A test page is printed out if the installation was successful. If the test page is not printed out or not completely, the Windows NT online help offers troubleshooting instructions under the entry "Printer Trouble Shooting".
  • Page 55 Connecting a Printer - with Windows NT Controller ½ Press one of the unit keys. DATA ENTRY HARDCOPY DEVICE SETTINGS Device1 WINDOWS METAFILE -d B m The DEVICE selection box is displayed on Print to File DEVICE the screen. The current selection is Orientation marked by a tick and highlighted by the CLIPBOARD...

  • Page 56: Installation Of A Network Printer (With Option Fse-B16 Only)

    Connecting a Printer - with Windows NT Controller Installation of a Network Printer (with option FSE-B16 only) After opening the "Printers" dialog window proceed with the installation as follows: ½ Double-click the "Add Printer" line. The "Add Printer Wizard" window is opened.
  • Page 57 Connecting a Printer - with Windows NT Controller ½ Select the manufacturer in the "Manufacturers" window and then the printer driver in the "Printers" window. Note: If the required type of output device is not included in the list, the driver has not yet been installed.

  • Page 58: Connecting A Cd-Rom Drive

    Connecting a CD ROM Drive - with Windows NT Controller Connecting a CD-ROM Drive Caution: The CD-ROM may only be connected when the instrument is switched off (STANDBY). If this is not observed correct operation of the CD-ROM and the instrument cannot be guaranteed.
  • Page 59 Connecting a CD ROM Drive - with Windows NT Controller ½ Mark entry "Shut down and log on as a different user". ½ Press the "Shift" key and click button "Yes" at the same time. The login window is displayed. ½...

  • Page 60: Firmware Update

    Firmware Update - with Windows NT Controller Firmware Update The installation of a new firmware version can be performed using the built-in diskette drive and does not require opening the analyzer. The firmware update kit contains several diskettes. The installation program is called up in the CONFIGURATION - SETUP menu. Insert diskette 1 into the drive.

  • Page 61: Installing Windows Nt Software

    Installing Windows NT Software Installing Windows NT Software The driver software and the Windows NT system settings are exactly adapted to the measurement functions of the instrument. Correct operation of the instrument can, therefore, be guaranteed only if the software and hardware used is released or provided by Rohde & Schwarz. The use of other software or hardware may cause the FSE to malfunction.

  • Page 62: Options

    Options - with Windows NT Controller Options This section describes options FSE-B17, Second IEC/IEE Interface, FSE-B16, Ethernet Interface. Note: - Option FSE-B13, 1 dB Attenuator, is described in Chapter 4, Section ’Level Display/RF Input’ - Options FSE-B8 to B12, Tracking Generator, and FSE-B3, TV Demodulator, are described in Chapter 4, Sections ’Tracking Generator’...
  • Page 63 Options - with Windows NT Controller ½ Mark "GPIB0" in the "GPIB Board" list. ½ Mark "AT-GPIB/TNT" in the "Board Type" list. ½ Confirm the selection with "OK". "GPIB Configuration" menu displayed again. ½ Click button "Configure". The "GPIB0 (AT-GPIB/TNT)" menu for configuring the board is opened.

  • Page 64: Operation

    Options - with Windows NT Controller Setting the parameters for the connected equipment ½ Mark the instrument in the "Device Template" list and confirm selection with "OK". The "DEV.. Settings" menu is opened. ½ Perform the settings for the selected unit in the "DEV..

  • Page 65: Option Fse-B5 - Fft Filter

    Options - with Windows NT Controller Option FSE-B5 - FFT Filter Option FFT Filter FSE-B5 is a firmware option. It has to be enabled by a keyword. Prerequisites 1. Keywords The keyword is printed on a label which is part of the equipment supplied and has to be stuck to the rear of FSE.

  • Page 66: Option Fse-B16 - Ethernet Adapter

    Options - with Windows NT Controller Option FSE-B16 – Ethernet Adapter With the option Ethernet Adapter FSE-B16, the device can be connected to an Ethernet-LAN (local area network). It is possible to transmit data via the network and to use the network printer. The adapter operates with a 10 MHz Ethernet in line with standards IEEE 802.3 10Base2 (Thin Ethernet, CheaperNet, BNC-Net) (B16 model 03) or 10Base5 (Thick Ethernet) (B16 model 02).

  • Page 67: Software Installation

    Options - with Windows NT Controller AUI (Thick Ethernet; FSE B16 Var. 02 The device is connected to the LAN segment using a transceiver Connection cable (DB-15 AUI connector, not part of the equipment supplied) which is connected to the rear panel and to the transceiver. The connection does not conflict with the network traffic.
  • Page 68 Options - with Windows NT Controller Calling up Configuration Menu for Network Settings ½ Click "Start" in the task bar. ½ Click consecutively "Settings", "Control Panel" and "Network". The "Network" configuration menu for network settings is opened. Registering the Identification Note: It is important for the computer name to be unique in the network..
  • Page 69 Options - with Windows NT Controller Installation and Configuration of the Driver for the Network Adapter ½ Select "Adapter". ½ Click "Add" and mark network driver "SMC 8416 EtherEZ" and select with "OK". The query "Files.." is displayed. ½ Answer it by clicking "Continue". The "SMCEthernet Card Setup"...
  • Page 70 Options - with Windows NT Controller Installation of Network Services To utilize the resources of the network it is necessary to install the corresponding services. Note: The network administrator knows which services are to be used. ½ Select "Services". ½ Click "Add", mark the desired service and select with "OK".

  • Page 71: Examples Of Configurations

    Options - with Windows NT Controller Examples of Configurations Network Protocols Services Notes NOVELL Netware NWLink IPX/SPX Client Service for The "Frame Type" used under "Protocols - Compatible NetWare Properties" should be set. Transport IP networks TCP/IP Protocol Simple TCP/IP An "IP Address"...
  • Page 72 Options - with Windows NT Controller Installing a user After the network software has been installed, the instrument logs with an error message during the next start-up since there is no user "Instrument" (= user identification for NT autologin) in the network. It is therefore necessary to install a user which should be the same for Windows NT and for the network.
  • Page 73 Options - with Windows NT Controller Only NOVELL network: ½ Click "Start" in the task bar. Configure NOVELL Client ½ Click consecutively "Settings", "Control Panel", "CSNW". NOVELL 3.x ½ Click "Preferred Server". ½ Under "Select Preferred Server" select the NOVELL server for which the user has been installed.

  • Page 74: Printing On A Network Printer

    Options - with Windows NT Controller ½ Select the drive under "Drive:" ½ Activate "Reconnect at Logon:" if the link is to be automatically established at each unit start. ½ Connect the network path to the selected drive with "OK". The user name and the password are queried.
  • Page 75 Options - with Windows NT Controller ½ Double-click line "Add Printer". The "Add Printer Wizard" window is opened. This window leads through the following printer driver installation. ½ Click first "Network Printer Source" and then "Next". The list of available network printers is displayed.

  • Page 76: Server Function

    Options - with Windows NT Controller ½ Click "Next". The window for starting a test page is displayed. The test print is for checking if the installation was successful. ½ Switch on printer. ½ Click Yes (recommended)". ½ Click "Finish". A test page is printed out if the installation was successful.
  • Page 77 Options - with Windows NT Controller For a complete description of the functions and commands see the FTP documentation. ½ Click "Start" and then "Run" in the task bar. Establishing a connection The program is started with the DOS command The following command sets up the connection: OPEN <xx.xx.xx.xx>...

  • Page 78: Start-Up - Instruments With Ms Dos ® Controller Or Without Controller

    Start-Up ® Start-Up - Instruments with MS DOS Controller or without Controller Important Note: Before turning the instrument on, it must be observed that the following conditions are fulfilled: • instrument covers are in place and all fasteners are tightened, •...

  • Page 79: Emi Protection Measures

    Start-Up EMI Protection Measures In order to prevent electromagnetic interference (EMI), the instrument may be operated only when all covers are correctly in place. Only adequately shielded signal and control cables may be used (see recommended accessories). Connecting to AC Power The FSE is equipped with an AC voltage selection feature and will automatically set itself according to the applied AC voltage (range: 90 to 132 VAC and 180 to 265 VAC, 47 to 440 Hz).

  • Page 80: Battery-Powered Memory

    Connecting a Mouse Battery-Powered Memory The FSE is equipped with a battery-powered read/write memory (CMOS-RAM) where instrument settings are saved at power-off. After each power-on, the FSE is reloaded with the operational parameters which were active just prior to the last power-off (STANDBY or AC power OFF). A lithium battery is used to supply power to the CMOS-RAM.
  • Page 81 Connecting a Mouse After connection of the mouse, the selected interface must be configured and the mouse assigned to either single or dual mode of operation. The configuration is performed according to menu SETUP-GENERAL SETUP (key group: CONFIGURATION, see in Chapter 4, the section "Preliminary Setup and Interface Configuration"). •...
  • Page 82 Connecting a Mouse Select interface M OUS E ½ Press the MOUSE softkey. The INTERFACE parameter in the MOUSE table is marked by the selection bar. MOUSE NOT CONNECTED Interface Owner INSTRUMENT ½ Press one of the units keys. DATA ENTRY GHz s The INTERFACE selection box appears on the V -dBm...
  • Page 83 Connecting a Mouse Assign mouse mode DATA ENTRY ½ Press one of the units keys. GHz s V -dBm The OWNER selection box appears on the display screen. The current state (INSTRUMENT) is indicated by a check mark and the selection bar is in the background.

  • Page 84: Connecting An External Keyboard

    Connecting an External Keyboard Connecting an External Keyboard Caution: The keyboard may only be connected when the instrument is switched off (STANDBY). Otherwise, correct operation of the keyboard cannot be guaranteed. The FSE provides an option for connecting an external PC keyboard to the 5-pin DIN connector at the rear panel.
  • Page 85 Connecting an External Keyboard In the following illustrative example, the instrument is informed that a keyboard has been connected. The GERMAN keyboard definition is selected. Call SETUP-GENERAL SETUP menu CONFIGURATION ½ Press the SETUP key of the EXTERNAL CONFIGURATION REFERENCE MODE key group.
  • Page 86 Connecting an External Keyboard Setup keyboard connection EXTERNAL ½ Press the EXTERNAL KEYBOARD softkey. KEYBOARD parameter CONNECTION KEYBOARD table is marked by the selection bar. EXT KEYBOARD NOT CONNECTED Connection Language US-AMERICAN DATA ENTRY ½ Press one of the units keys. GHz s V -dBm The CONNECTION selection box appears on the...
  • Page 87 Connecting an External Keyboard Select German keyboard ½ Press one of the units keys. DATA ENTRY GHz s The LANGUAGE selection box appears on the V -dBm display screen. The current state is indicated by a check mark and the selection bar is in the background.

  • Page 88: Connecting An Output Device

    Connecting an Output Device Connecting an Output Device Caution: The output device may be connected only when the instrument is switched off (STANDBY) The FSE provides an option for connecting up to four different output devices to allow printing a hard copy of the display screen.
  • Page 89 Connecting an Output Device Interface GPIB1 • The parameter GPIB ADDRESS passes the IEC Bus address of the output device to the instrument. Note: If the output device is operated in "listen only" mode, this setup may be omitted. The configuration of the connected output device and the assignment to the interface takes place in the HARDCOPY DEVICE–SETTINGS DEVICE1/2 menu (key group:HARDCOPY, see in Chapter 4, the section "Selection and Configuration of the Output Device ").
  • Page 90 Connecting an Output Device In the following illustrative examples, a Postscript printer is connected to the LPT interface. Note: Interface LPT cannot be configured. The configuration of the other interfaces (COM1, COM2 or GPIB1) is performed according to the SETUP-GENERAL SETUP menu (key group: CONFIGURATION, see in Chapter 4, the section "Preliminary Setup and Interface Configuration").
  • Page 91 Connecting an Output Device ½ Press the SETTINGS DEVICE2 softkey. SETTINGS DEVICE2 The current selection in the first line of the table column SETTINGS DEVICE2 is marked by the selection bar. DEVICE SETTINGS ITEM SETTINGS DEVICE 1 SETTINGS DEVICE 2 HPGL EPSON 24 Device/Language...

  • Page 92: Firmware Update

    Firmware Update ½ Press one of the units keys. DATA ENTRY GHz s V -dBm The SELECT DEVICE selection box is closed and the POSTSCR setting is entered in the table column SETTINGS DEVICE2. The selection bar indicates the current entry in the next row of the table. DEVICE SETTINGS ITEM SETTINGS DEVICE 1...

  • Page 93: Options

    Options Options Option FSE-B17 – Second IEC/IEEE Interface Besides the FSE external devices can also be controlled via the IEC/IEEE bus using the optional 2nd bus interface FSE-B17 and the computer function for FSE (option FSE-B15). The interface software permits IEC/IEEE-bus commands to be included in user programs. Installing the software 1.

  • Page 94: Option Fse-B5 - Fft Filter

    Options Option FSE-B5 - FFT Filter Option FFT Filter FSE-B5 is a firmware option. It has to be enabled by a keyword. Prerequisites 1. Keywords The keyword is printed on a label which is part of the equipment supplied and has to be stuck to the rear of FSE.

  • Page 95: Option Fse-B16 - Ethernet Adapter

    Options Option FSE-B16 – Ethernet Adapter With the option Ethernet Adapter FSE-B16, the device can be connected to an Ethernet-LAN (local area network). Together with the option Computer Function FSE-B15 it is possible to transmit data via the network and to use the network printer. The adapter operates with a 10 MHz Ethernet in line with standards IEEE 802.3 10Base2 (Thin Ethernet, CheaperNet, BNC-Net) (B16 model 03) or 10Base5 (Thick Ethernet) (B16 model 02).

  • Page 96: Aui (Thick Ethernet; Fse B16 Var. 02)

    Options AUI (Thick Ethernet; FSE B16 Var. 02) The device is connected to the LAN segment using a transceiver Connection cable (DB-15 AUI connector, not part of the equipment supplied) which is connected to the rear panel and to the transceiver. The connection does not conflict with the network traffic.

  • Page 97: Software Installation

    Options Software Installation Data transmission within the network is by means of data blocks, the so-called packets. Besides user data other information, the so-called protocol data (transmitter, receiver, type of data, order) are transmitted. The drivers corresponding to the protocol have to be installed to process protocol information.
  • Page 98 Options NDIS NDIS drivers are mainly used by network operating systems from MICROSOFT (DOS MS- NET,WINDOWS FOR WORKGROUPS, WINDOWS 95, WINDOWS NT). It is an open system so that other systems can be based on it, too. The driver system is of modular design and can thus be easily adapted to the hardware.
  • Page 99 Options At least the following information has to be contained in the SYSTEM.INI file: [Network] winnet=wfwnet/00025100 multinet=nonet FileSharing=Yes PrintSharing=Yes LogonDisconnected=yes EnableSharing=Yes UserName=FSE Workgroup=WORKGROUP ComputerName=FSE Comment=FSE [network drivers] netcard=smcmac.dos transport=ndishlp.sys,*netbeui devdir=C:\NDIS LoadRMDrivers=No [NWNBLINK] LANABASE=0 Parameter "UserName= ..." comprises the user name for the network. Parameter "Workgroup= ..."...

  • Page 100: Installation Of Network Operating System

    Options Packet Drivers The "Packet" network driver system has been developed by universities and can be used free of charge. Many free-of-charge network operating systems (KERMIT) are based on this driver system. Although the drivers for these network cards used to be made at universities, manufacturers have now started to supply their own drivers.
  • Page 101 Options The drivers are loaded under DOS in the following order: Loading the drivers IPXODI NETX To allow for an automatic start, the drivers can be entered into the C:\NETWORK.BAT file in addition to the network drivers. This batch file will be executed automatically on the startup of the device. The drivers can be unloaded if the programs are called up with the parameter /U .
  • Page 102 Options If a connection to a certain network server is requested, the name of the server can be entered into the NET.CFG file by means of line PREFERRED SERVER = FSESERVER (FSESERVER has to be replaced by the server name in the network). The drivers are loaded under DOS in the following order: Loading the drivers IPXODI...

  • Page 103: Operation

    Options KERMIT The data transmission program KERMIT is based on the PACKET Drivers required drivers. To install KERMIT it is required to copy all the files into a directory, e.g. C:\KERMIT. The precondition for this is that an IP address is assigned to the device by the network administrator and that the Sub Net Mask for the network is known.
  • Page 104 Options After all network drivers have been loaded and the device has Logging into network established a connection with the server, a new drive W: is generated. After a change to this drive, the log in can be started with the LOGIN command.
  • Page 105 Options To be able to use a printer in the computer function, this printer Printing on a network has to be connected first with the computer function by means of printer the following command CAPTURE L=<lpt> Q=<printer_queue> where: printer port (1=LPT1, 2=LPT2, 3=LPT3) printer_queue name of printer queue.
  • Page 106 Options To generate a virtual drive on the computer function of a device, Virtual Drives the following command is used NET USE <dr>: \\<server>\<directory> where: drive indicator under which the virtual drive is addressed (E to P, R to V) server name of the server on which the directory is located.
  • Page 107 Options TCP/IP The TCP/IP protocol allows files to be transmitted between different computer systems. A program running on both computers is required to control the data transfer. The same operating or file system need not be used by the two partners. A file transfer is possible between DOS/WINDOWS and UNIX, for example.
  • Page 108 Options The command Changing directories LCD <path> changes the directory as the corresponding DOS command. LDIR lists the directory. These commands refer to the computer function of the instrument. If the ’L’ preceding the commands is omitted, they apply to the target system. KERMIT KERMIT comprises a large number of functions described in detail in the help file KERMIT.HLP.
  • Page 109 Options To transmit a file to the target system, the Data transmission SEND <file name> file name = name of file e.g. DATA.TXT command is used. To transmit a file from the target system, the GET<file name> file name = name of file e.g. SETTING.DAT command is used.
  • Page 110 www.valuetronics.com...
  • Page 111 Contents - Getting Started Contents - Chapter 2 "Getting Started" 2 Getting Started..................... 2.1 Level and Frequency Measurements..................... 2.1 Measurement Task........................2.1 Important Spectrum Analyzer Functions ................. 2.2 Sweep, Level and Frequency Measurements – Example 1 ..........2.2 Sweep, Level and Frequency Measurements – Example 2 ..........2.6 Level Measurement Accuracy ....................
  • Page 112 Contents - Getting Started 1065.6016.12 I-2.2 www.valuetronics.com...

  • Page 113: Getting Started

    Level and Frequency Measurements 2 Getting Started Chapter 2 presents basic measurements performed by a spectrum analyzer to provide fast and easy access to the operation of the instrument. Before starting any measurement with the FSE, please note the instructions given in chapter 1 for putting the instrument into operation.

  • Page 114: Important Spectrum Analyzer Functions

    Level and Frequency Measurements Important Spectrum Analyzer Functions Important parameters for level and frequency measurements are the settings for the CENTER FREQUENCY, the selection of the active measurement frequency range (SPAN) and the MARKER functions. Sweep, Level and Frequency Measurements – Example 1 In this example, a signal with a frequency of 200 MHz and a level of -10 dBm are applied to the RF INPUT of the analyzer.
  • Page 115 Level and Frequency Measurements 4. Reduce the measurement frequency range FREQUENCY (SPAN) to 1 MHz. SPAN ½ Press the SPAN key in the FREQUENCY key field. SPAN SPAN 400 MHz ½ Enter 1 via the numeric keypad and terminate with DATA ENTRY the MHz key.
  • Page 116 Level and Frequency Measurements Fig. 2-1 shows the measured curve on the display screen over a 1 MHz range as well as the marker level and frequency values. Markerfield USER Marker 1[T1] 20 kHz RF ATT 10 dB Ref Lvl -10.8 dBm 20 kHz MARKER...
  • Page 117 Level and Frequency Measurements 7: Determine the exact frequency with the internal frequency counter. Note: The frequency counter measures the frequency MARKER of the marked signal with the selected counter USER resolution and at the accuracy of the internal NORMAL MARKER NORMAL frequency reference.

  • Page 118: Sweep, Level And Frequency Measurements - Example 2

    Level and Frequency Measurements USER Marker 1 [T1 CNT] RF ATT 10 dB 20 kHz -10.8 dB m Ref Lvl 20 kHz COUNTER 200.00513 MHz -20 dBm Unit RESOLUTION SWT 7.5 ms 10 kHz 1 kHz 100 Hz 10 Hz 1 Hz 0.1 Hz -100...
  • Page 119 Level and Frequency Measurements See steps 1 and 2 of example 1 1. Reset the instrument to standard settings. 2. Connect the test signal to the analyzer RF INPUT. 3. Zoom in on the signal. MARKER ½ Press the NORMAL key in the MARKER key field . NORMAL The marker moves to the largest signal displayed on the screen.

  • Page 120: Level Measurement Accuracy

    Level and Frequency Measurements USER Marker 1 [T1] 20 kHz RF ATT 10 dB Ref Lvl -10.8 dB m 20 kHz MARKER 200.0052 MHz Unit -20 dBm SWT 7.5 ms NORMAL MARKER 1 MARKER ZOOM 1 MHz MARKER 2 MARKER 3 MARKER 4 SIGNAL COUNT...

  • Page 121: Measurement Of Harmonic Separation

    Measurement of Harmonic Separation Measurement of Harmonic Separation Measurement Task The measurement of signal harmonics is a frequently occurring task which can be optimally performed by a spectrum analyzer. In general, all signals will contain harmonics to some degree. Harmonics are especially critical in high-power transmitters, e.g., in radio transmitters, where a significant radiated harmonic component may interfere with the reception of other radio services.

  • Page 122: Important Spectrum Analyzer Functions

    Measurement of Harmonic Separation From the linear equations and the given intercept point, the following formula can be derived for the achievable harmonic separation a in dB: − harmonic separation ’ mixer level/dBm k2 intercept point The formula for the internally produced level P 1 at the first harmonic in dBm is: = •...

  • Page 123: Measurement Procedure - Harmonic Separation - Example 1

    Measurement of Harmonic Separation Measurement Procedure - Harmonic Separation – Example 1 The analyzer 10 MHz reference signal is used at the input signal. The connector EXT REF IN/OUT on the rear panel is connected to the analyzer front-panel RF INPUT. Since the output level is 7 dBm, the reference level must be set to 10 dBm.

  • Page 124: Start Frequency

    Measurement of Harmonic Separation 4. Set the start frequency to 5 MHz FREQUENCY ½ Press the START key in the FREQUENCY key field. START FREQUENCY START The entry window for the start frequency appears on 0 Hz the display screen. ½...
  • Page 125 Measurement of Harmonic Separation either: USER Automatic coupling of the video bandwidth to the COUPLING COUPLING RATIO RATIO measurement frequency range RBW / VBW SINE [1] ½ Press the COUPLING RATIO softkey. RBW / VBW The sub-menu for setting the automatic coupling of PULSE [.1] bandwidths to the measurement frequency range is RBW / VBW...
  • Page 126 Measurement of Harmonic Separation USER RF ATT 40 dB RBW 500 kHz Ref Lvl 10 kHz Mixer -30 dBm COUPLED Unit 10 dBm SWT 100 ms FUNCTIONS RES BW MANUAL RES BW AUTO VIDEO BW MANUAL VIDEO BW AUTO SWEEP TIME MANUAL SWEEP TIME AUTO...
  • Page 127 Measurement of Harmonic Separation ½ Press the NEXT PEAK RIGHT softkey. NEXT PEAK RIGHT The delta marker jumps to the first harmonic and measures the difference between the harmonic and the fundamental. The measured values can be read at the upper left of the display screen. In this example, the harmonic separation is approx.

  • Page 128: Measurement Procedure - Harmonic Separation - Example 2

    Measurement of Harmonic Separation Measurement Procedure - Harmonic Separation – Example 2 In example 2, the fundamental frequency of the test signal and the separation of the individual harmonics are measured. The reference to the fundamental is established with the REFERENCE FIXED marker, and the movement from harmonic to harmonic is performed with the MKR→...
  • Page 129 Measurement of Harmonic Separation ½Enter 100 via the numeric keypad and terminate with DATA ENTRY key. SP AN MARKER ZOOM µ s µV 100 kHz 9. Set the frequency step size to the fundamental frequency USER MARKER ½ Press the MKR → key in the MARKER key field MARKER->...
  • Page 130 Measurement of Harmonic Separation USER DELTA1 [T1 FXD] 2 kHz RF ATT 40 dB Ref Lvl -80.8 dB 2 kHz Mixer -30 dBm DELTA 10 dBm 48.0 kHz SWT 100 ms Unit MARKER 10.0 DELTA 1 DELTA 2 DELTA 3 DELTA 4 PHASE NOISE...
  • Page 131 Measurement of Harmonic Separation ½ Press the PEAK softkey. PEAK The delta marker appears at the first harmonic and measures the separation from harmonic to fundamental. The measured value is displayed in the marker field at the upper left of the display screen (see Fig.

  • Page 132: Measurement Procedure - Harmonic Separation - Example 3

    Measurement of Harmonic Separation Measurement Procedure - Harmonic Separation – Example 3 The measurement of fundamental and harmonics can also be performed in two independent windows on the display screen (SPLIT-SCREEN mode). This mode permits the simultaneous presentation of the fundamental and harmonics with higher resolution and dynamic range.
  • Page 133 Measurement of Harmonic Separation 11. Uncouple the window settings SCREEN COUPLING ½ Press the SCREEN COUPLING softkey. The SCREEN COUPLING sub-menu is opened. SCREEN UNCOUPLED SCREEN ½ Press the SCREEN UNCOUPLED softkey . UNCOUPLED The settings for each measurement window can now be selected independently.
  • Page 134 Measurement of Harmonic Separation ACTIVE ½ Press the ACTIVE SCREEN B softkey. SCREEN B The following entries are now valid for the lower window which is used to measure the harmonic separation. ½ Press the CENTER key in the FREQUENCY key FREQUENCY field.
  • Page 135 Measurement of Harmonic Separation USER MKR1 [T1] 1 kHz RF ATT 40 dB Ref Lvl +9.8 dBm 1 kHz Mixer -30 dBm MARKER 10 dBm 10.010000 MHz SWT 100 ms Unit SEARCH 10.0 PEAK NEXT PEAK NEXT PEAK RIGHT NEXT PEAK LEFT Center 10.000002 MHz...

  • Page 136: Measurement Of Intermodulation Distortions

    Intermodulation Distortions Measurement of Intermodulation Distortions Measuring Task If several signals are applied to a transmission quadripole with a non-linear characteristic, intermodulation products occur at its output due to addition and subtraction of the signals. The non- linear characteristic causes harmonics of the information signals to occur, which are mixed up at the characteristic.

  • Page 137: Important Spectrum-Analyzer Functions

    Intermodulation Distortions Intercept point Output level Compression Intermodulation Information product signal Input level Fig.2-12 Dependance of the spurious product level from the level of the information signals The information signals at the output of a four-terminal network increase as the input level increases as long as the input level is in the linear range.

  • Page 138: Measurement

    Intermodulation Distortions Measurement In the following, measurement of the third-order intercept of an amplifier is described, by way of example. Two signal generators with the frequencies f and f supply signals to the amplifier via a power divider. The output of the device under test is connected to the RF input of the FSE. The level of the two signal generators is the same and is selected such that the DUT is not overloaded.

  • Page 139: Reference Level

    Intermodulation Distortions Cf. measurement example Level and Frequency Measurements (steps 1 to 3) 1. Reset the instrument. 2. Set the center frequency to 100 MHz. 3. Set the frequency-display range to 5 MHz. 4. Set the reference level to -10 dBm LEVEL ½...

  • Page 140: Input Attenuation

    Intermodulation Distortions ½ Enter 10 in the entry field via the numeric keypad and terminate the entry by pressing the key. D ATA E N T R Y RESOLUTION BANDWIDTH 10 kHz µ V µ s USER 6. Set low-distortion mode INPUT INPUT ½...
  • Page 141 Intermodulation Distortions USER Delta 1 [T1] 10 kHz RF Att Ref Lvl -59.78 dB 10 kHz MARKER -10 dBm 2.00000000 MHz 150 ms Unit SEARCH PEAK NEXT PEAK NEXT PEAK RIGHT NEXT PEAK LEFT SEARCH LIMIT SELECT -100 ACTIVE MKR DELTA -110 CENTER 100 MHz 500 kHz/...
  • Page 142 Intermodulation Distortions MARKER USER ½ Press the SEARCH key of the MARKER keys. SEARCH MARKER SEARCH The SEARCH-MARKER menu is opened. PEAK NEXT PEAK NEXT PEAK RIGHT ½ Press the NEXT PEAK RIGHT softkey until the delta NEXT PEAK marker appears on one of the IM products (see Fig.2-13).

  • Page 143: Time-Domain Measurements With Pulsed Signals

    Time-domain Measurements with Pulsed Signals Time-domain Measurements with Pulsed Signals Measuring Task A lot of systems which handle pulsed signals do not only require measurement of the pulse width and the pulse repetition rate which can be derived from the spectrum but also assess the rise and fall time as well as the power ramping during the pulse.

  • Page 144: Measurement

    Timedomain Measurements with Pulsed Signals Measurement This example shows the measurement of the rise and fall times as well as the power ramping during the pulse. The signal generator SME with built-in pulse modulation source SME-B4 is used as signal source. A signal generator providing for pulse modulation in conjunction with an external pulse generator may be used, instead.

  • Page 145: Sweep Time

    Time-domain Measurements with Pulsed Signals 4. Set the reference level to 0 dBm. LEVEL ½ Press the REF key in the LEVEL key field. REFERENCE LEVEL The entry field for the reference level appears on the -20 dBm display screen. ½...
  • Page 146 Timedomain Measurements with Pulsed Signals ½ Enter 1 in the entry field via the numeric keypad and DATA ENTRY terminate the entry by pressing the MHz key. SWEEP TIME 1 ms 7. Connect the RF output of the SME to the RF input of the FSE.
  • Page 147 Time-domain Measurements with Pulsed Signals USER 1 MHz RF Att Ref Lvl 1 MHz Mixer -20 dBm TRIGGER 0 dBm Unit FREE RUN VIDEO LINE EXTERN RF POWER TRIGGER DELAY SLOPE -100 100 µ s/ START 0 s Stop 1 ms Fig.

  • Page 148: Gap Length

    Timedomain Measurements with Pulsed Signals ½ Enter 10 via the numeric keypad in the entry field DATA ENTRY and terminate the entry by pressing the kHz/µs key. GAP PRETRIGGER µ V µ s µ ½ Press the TRG TO GAP softkey. TRG TO GAP TRG TO GAP TIME...
  • Page 149 Time-domain Measurements with Pulsed Signals 11. Activate the measurement with mask-out of MENU measured value ½ Press the menu change key. GAP SWEEP The right supplementary menu is opened. GAP SWEEP SETTINGS GAP SWEEP ½ Press the GAP SWEEP ON/OFF key. The measurement with blanking of measured value is activated.
  • Page 150 www.valuetronics.com...
  • Page 151 Contents - Manual Operation Contents - Chapter 3 "Manual Operation" 3 Manual Operation ....................3.1 The Screen............................3.2 Diagram Area .......................... 3.3 Displays in the Diagram Area ..................3.4 Full Screen..........................3.9 Split Screen ..........................3.9 Softkey Area .......................... 3.10 Changing the Menu .......................
  • Page 152 Contents - Manual Operation 1065.6016.12 I-3.2 www.valuetronics.com...

  • Page 153: Manual Operation

    Manual Operation 3 Manual Operation Chapter 3 verviews manual operation of the FSE. This includes a description of the screen, menu operation and the setting of parameters. There is an overview of the menus at the end of this chapter. The functions of the menus are described in detail in Chapter 4.

  • Page 154: The Screen

    Screen The Screen The screen informs continuously on the results and parameters for the selected measuring functions. The display mode for test results, the softkey labeling and the type of menu depend on the selected measuring function. The screen is divided into two areas: Diagram area Softkey area USER...

  • Page 155: Diagram Area

    Screen Diagram Area Status Hardware settings Marker /deltamarker Logo UNCAL OVLD Marker 1 [T1 CNT] 1 MHz RF Att 20 dB Ref Lvl -36.42 dBm 1 MHz Mixer -40 dBm Reference-/ -20 dBm 100.002 MHz 5 ms Unit max level START FREQUENCY -10.0 1.000000 MHz...

  • Page 156: Displays In The Diagram Area

    Screen Displays in the Diagram Area The following graphic elements are displayed in the diagram area: A status information indicates that a problem has occurred. Status information In addition the status display displays MAX / REF LVL, if the maximum level and the reference level have different values .
  • Page 157 Screen This label displays the position of the last selected marker or Marker/Deltamarker deltamarker in the x and y-directions and the marker/deltamarker index. As additional information, 2 fields in square brackets are provided which contain the curve which the marker is assigned to and the active measuring function of the marker indicated.
  • Page 158 Screen Display of user instrument settings which influence the measuring result Instrument settings and which are not immediately obvious when viewing the measured (Enhancement Labels) values. The current instrument setting is not the same as the setting selected when one of the traces was stored. This occurs under the following circumstances: •...
  • Page 159 Screen Subtraction Trace 1 - Trace <n> active (<n>: numeric value) or 1-<n> subtraction Trace 1 - Reference Line active (<n>: R) Subtraction Trace 2 - Trace <n> active (<n>: numeric value) or 2-<n> subtraction Trace 1 - Reference Line active (<n>: R) Subtraction Trace 3 - Trace <n>...
  • Page 160 Screen The set frequency range (SPAN) or the stop frequency is displayed, Span 1.2345678901234 GHz depending on whether the keys CENTER/SPAN or START/STOP were last pressed. Stop 1.2345678901234 GHz If span = 0 Hz, the trigger moment (PRETRIGGER) is displayed. Trigger 1.234 ms Optional indication of date, time and comment.

  • Page 161: Full Screen

    Screen Full Screen In the full-screen mode,, the settings and measurements are performed in the active visible window. All indications on the screen refer to this window. The designation (SCREEN A or SCREEN B) is inserted as enhancement label A or B on the right diagram margin. The DISPLAY key is used to switch between the windows.

  • Page 162: Softkey Area

    Screen Softkey Area The layout of the softkey area is independent of the operating mode. It consists of the following graphic elements: Menu title SOFTKEY MENU TITLE SOFTKEY LABEL 1 SOFTKEY Indication of submenu (arrow) LABEL 2 SOFTKEY Softkey active (green) LABEL 3 Softkey function not available SOFTKEY...

  • Page 163: Changing The Menu

    Screen Changing the Menu With manual control, the FSE can be operated via the front-panel keys, the external keyboard or with a mouse. Operation is menu-controlled. Various softkey menus are displayed depending on the instrument status. The menus are organized using a tree structure. The start menu (the root of the menu tree) is always called by pressing a hardkey.
  • Page 164 Screen Left-hand supplementary menu Main menu Right-hand supplementary menu Softkey Softkey Softkey Softkey Softkey Softkey Softkey Softkey Softkey Softkey Softkey Softkey Softkey Softkey Softkey Softkey Softkey Softkey Softkey Softkey Softkey Softkey Softkey Softkey Softkey Softkey Softkey Softkey Softkey Softkey Fig. 3-7 Switching between main menu and supplementary menu The menu arrows help to orient inside the menu tree.

  • Page 165: Setting The Parameters

    Setting the Parameters Setting the Parameters Data Entry Instrument parameters can be entered in an entry window or in a table via the numeric keypad on the front panel (DATA ENTRY), an external keyboard and the roll-key. The numeric keypad DATA ENTRY is provided for entry of numeric parameters (e.g., the start frequency).

  • Page 166: Roll-Key And Cursor Keys

    Setting the Parameters D A T A E N T R Y Adds an exponent (E-xx) to the end of the numeric string. Deletes the character to the left of the cursor with numeric entry. D A T A E N T R Y Toggles between the current parameter and the previous value - but not when an entry is being made (UNDO function).

  • Page 167: Entry Windows

    Setting the Parameters Entry Windows Setting Up the Entry Window The instrument parameters are not entered at the location where the parameter is displayed but in an individual entry window. The entry window is called by a softkey or a hardkey and is used for definition of numeric or alphanumeric instrument parameters (START FREQUENCY by way of example): Headline with parameter designation...

  • Page 168: Editing Of Numeric Parameters

    Setting the Parameters There are two types of entry windows: The editing line of the entry window for numeric START FREQUENCY parameters allows for display of up to 24 10.2457535 GHZ characters. Horizontal scrolling is not possible in START FREQUENCY OUT OF RANGE the editing line.

  • Page 169: Editing Of Alphanumeric Parameters

    Setting the Parameters Editing of Alphanumeric Parameters Generally, the regulations for numeric parameters analogously apply for alphanumeric parameters. Note the exceptions given below: • Alphanumeric parameters are not displayed with a unit. • The four unit keys adopt the function of the ENTER key. •...

  • Page 170: Shifting Mode

    Setting the Parameters Table Entry The FSE uses numerous tables for indication and configuration of instrument parameters. The tables differ very much in the number of lines, columns and inscriptions and have a different functionality. Tables are represented in a non-transparent form. The size is predefined and cannot be modified. If a mouse is connected, the tables may be shifted on the display without covering the softkeys.

  • Page 171: Disabling The Control Elements - Hold Key

    Disabling the Control Elements Disabling the Control Elements - HOLD Key The individual softkeys have the following functions: The functions of the HOLD menu allow for disabling individual control D A T A V AR I A T I O N elements or the complete instrument control.

  • Page 172: Setting The Stepsize - Step Key

    Setting the Stepsize Setting the Stepsize - STEP Key A number of numeric instrument parameters allow for step-by-step incrementing or decrementing the value in the editing line of the entry window using the keys or the roll-key. The stepsize used with the cursor keys can be specified for the selected parameters in the STEP menu.

  • Page 173: Mouse And External Keyboard Control

    Mouse and External Keyboard Control Mouse and External Keyboard Control External Keyboard Control The connection of an external keyboard provides additional characters for the entry (letters and special characters). It is permitted to use both, front panel keys and the external keyboard, for control. The number, cursor and sign keys have the same effect as the corresponding front panel keys.

  • Page 174: Data Entry Windows With Mouse Control

    Mouse and External Keyboard Control Data Entry Windows with Mouse Control With a mouse being connected, additional functions are provided in the entry windows. Therefore, buttons are displayed in the entry window. Essentially, the definitions which have been made for all types of entry window also apply for mouse control.

  • Page 175: Mouse Control Of Further Display Elements

    Mouse and External Keyboard Control Mouse Control of Further Display Elements All display and control elements (enhancement labels, softkeys, function fields, display and limit lines) which can be displayed on the display screen can also be controlled by the mouse. Each softkey or key is assigned to a display element.

  • Page 176: Menu Overview

    Menu Overview Menu Overview System Key Group SCREEN COUPLING MODE COUPLED DISPLAY SYSTEM FULL PRESET SCREEN SPLIT HORIZONTAL SCREEN SCALING INFO DISPLAY VERTICAL SCALING ACTIVE COUPLING SCREEN A CONTROL ACTIVE SCREEN B ACTIVE SCREEN C ACTIVE SCREEN D SCREEN SCREENS COUPLING UNCOUPLED CONFIG...
  • Page 177 Menu Overview SYSTEM CALIBRATE CALIBRATE PRESET CAL SHORT RESULTS CAL TOTAL DISPLAY INFO RES BW CAL LOG Mod 30 LO SUPP with option CAL I/Q FSE-B7 only PRESEL PAGE UP PEAK CAL CORR PAGE DOWN 1065.6016.12 3.25 E-13 www.valuetronics.com...
  • Page 178 Menu Overview INFO SYSTEM PRESET FIRMWARE VERSIONS HARDWARE+ DISPLAY INFO SELFTEST OPTIONS EXECUTE SELFTEST TESTS SYSTEM SYSTEM MESSAGES MESSAGES OPTIONS CLEAR STATISTIC MESSAGE STATISTICS CLEAR ALL SWITCHES MESSAGES UPDATE MESSAGES 1065.6016.12 3.26 E-13 www.valuetronics.com...

  • Page 179: Configuration Key Group

    Menu Overview Configuration Key Group CONFIGURATION MODE MODE MODE ANA LYZER SETUP with option TRACKIN G FSE-B9/10/11/12 only GENE RATOR with option FSE-B7 only; VECTOR see manual of option ANALYZE R with option TV DEMOD FSE-B3 only with option FSE-K10 only; GSM MS see manual of option ANALYZER...

  • Page 180: Setup For Instruments With Windows Nt Controller Option

    Menu Overview Setup for Instruments with Windows NT Controller Option SETUP OP TI O NS CONFIGURATION TRANSDUCE R EN ABLE NEW OPTION MODE SETUP SERVICE GENERAL SETUP INPUT GPIB ADDRESS INPUT USE R POR T A OPTIONS NOISE USER SOURCE PORT B REFERENCE REFERENCE...

  • Page 181: Setup For Instruments With Ms Dos Controller Option Or Without Controller

    Menu Overview Setup for Instruments with MS DOS Controller Option or without Controller SETUP OP TI O NS CONFIGURATION TRANSDUCER EN ABLE NEW OPTION MODE SETUP SERVICE GENERAL SETUP INPUT GPIB ADDRESS INPUT USE R PORT A OPTIONS NOISE USER SOURCE PORT B REFERENCE...

  • Page 182: Hardcopy Key Group

    Menu Overview Hardcopy Key Group HARDCOPY SETTINGS HARDCOPY COPY SCREEN START COPY TRACE SETTINGS COPY TABLE SELECT SELECT QUADRANT QUADRANT UPPER ENTER ENTER LEFT TEXT TEXT LOWER COMMENT LEFT SCREEN A COMMENT UPPER HARDCOPY HARDCOPY SCREEN B RIGHT DEVICE DEVICE LOWER SETTINGS COLOR...

  • Page 183: Frequency Key Group

    Menu Overview Frequency Key Group FREQUENCY CENTER SPAN FREQUENCY FREQUENCY ZOOM CENTER MOVE ZOOM SPAN MANUAL CENTER SPAN CENTER SPAN WINDOW MANUAL START MOVE ZOOM START FIXED START FIXED START STOP START STOP SPAN FIXED MOVE ZOOM CENTER STOP FIXED STOP ZOOM FIXED...

  • Page 184: Level Key Group, Input Key

    Menu Overview Level Key Group, Input Key REF LEVEL UNIT LEVEL REF LEVEL REF LEVEL dBmV OFFSET GRID RANGE dBµV UNIT dBµA ATTEN STEP with option FSE-B13 only 10dB dBpW REF LEVEL RF ATTEN MAX LEVEL dB* / MHz MANUAL AUTO ATTEN AUTO MAX LEVEL...
  • Page 185 Menu Overview LEVEL RANGE INPUT RF ATTEN LEVEL INPUT LOG 120 dB MANUAL ATTEN AUTO LOG 100 dB NORMAL ATTEN AUTO RANGE LOW NOISE LOG 50 dB ATTEN AUTO LOW DIST LOG 20 dB INPUT MIXER SELECT LEVEL LOG 10 dB RF INPUT 50 OHM ATTEN STEP...

  • Page 186: Marker Key Group

    Menu Overview Marker Key Group MARKER MARKER DEMOD NORMAL MARKER MKR DEMOD MARKER 1 NORMAL SEARCH MARKER 2 DELTA MARKER 3 MARKER 4 SIGNAL STOP TIME COUNT VOLUME MARKER DEMOD MARKER MARKER MARKER POWER MEAS ZOOM NORMAL NORMAL SETTINGS POWER MEAS SET NO.

  • Page 187: Normal Search

    Menu Overview MARKER MARKER SEARCH NORMAL SEARCH PEAK SUMMARY NEXT PEAK MARKER DELTA NEXT PEAK RIGHT NEXT PEAK LEFT SUM MKR SUMMARY MARKER MARKER MARKER SEARCH SEARCH N DB DOWN SEARCH LIM MEAN SHAPE FACT NEXT MIN 60/3 DB PEAK HOLD SELECT MARKER NEXT MIN...
  • Page 188 Menu Overview DELTA MARKER MARKER DELTA 1 NORMAL SEARCH DELTA 2 DELTA DELTA 3 DELTA 4 PHASE NOISE REFERENCE REFERENCE POINT POINT REF POINT REFERENCE LEVEL FIXED REF POINT DELTA MKR LVL OFFSET REF POINT ALL DELTA FREQUENCY REF POINT TIME 1065.6016.12 3.36...
  • Page 189 Menu Overview MARKER MARKER PEAK NORMAL SEARCH CENTER DELTA REF LEVEL AUTOSCALE MKR->CF STEPSIZE START STOP TRACE SELECT MARKER ACTIVE DELTA 1065.6016.12 3.37 E-13 www.valuetronics.com...

  • Page 190: Lines Key Group

    Menu Overview Lines Key Group for span = 0 for span = 0 DISPLAY DISPLAY LINES LINES LINES DISPLAY DISPLAY D LINES LINE 1 LINE 1 DISPLAY DISPLAY LINE 2 LINE 2 LIMITS THRESHOLD THRESHOLD LINE LINE REFERENCE REFERENCE LINE LINE TIME FREQUENCY...
  • Page 191 Menu Overview LINES LIMIT LINES SELECT D LINES EDIT LIMIT LINE LIMIT LINE NEW LIMIT NAME LINE LIMITS EDIT LIMIT VALUES LINE INSERT NEW LIMIT COPY VALUE LINE LIMIT LINE DELETE VALUE SHIFT X DELETE LIMIT LINE LIMIT LINE SHIFT Y EDIT X OFFSET LIMIT LINE...

  • Page 192: Trace Key Group

    Menu Overview Trace Key Group TRACE TRACE 1 TRACE 1 CLEAR/ ANALOG TR WRITE VIEW BLANK TRACE TRACE MATH AVERAGE MATH T1-T2+REF -> T1 MAX HOLD T1-T3+REF -> T1 ASCII MIN HOLD EXPORT T1-T4+REF -> T1 ASCII HOLD CONT CONFIG T1-REF SWEEP ->T1...

  • Page 193: Sweep Key Group

    Menu Overview Sweep Key Group SWEEP SWEEP SWEEP TRIGGER TRIGGER TRIGGER CONTINOUS SWEEP FREE RUN SINGLE GAP SWEEP SWEEP SWEEP SETTINGS VIDEO TRIGGER SWEEP TIME LEVEL R B W AUTO LINE V B W SWEEP TIME TRIGGER S W T S W T MANUAL EXTERN...
  • Page 194 Menu Overview COUPLED COUPLED SWEEP FUNCTIONS FUNCTIONS TRIGGER RES BW RBW 1 kHz MANUAL RES BW RBW<=1kHz AUTO NORM SWEEP RES BW VIDEO BW MANUAL S W T VIDEO BW AUTO COUPLING SWEEP TIME MANUAL SWEEP TIME AUTO COUPLING DEFAULT COUPLING COUPLING MAIN PLL...

  • Page 195: Memory Key Group

    Menu Overview Memory Key Group MEMORY SAVE MEMORY EDIT NAME SAVE EDIT PATH RECALL EDIT COMMENT SEL ITEMS TO SAVE CONFIG SELECT SEL ITEMS ITEMS TO SAVE ENABLE DATA SET ALL ITEMS LIST DISABLE DATA SET ALL ITEMS CLEAR DATA SET CLEAR ALL PAGE UP PAGE DOWN...
  • Page 196 Menu Overview MEMORY MEMORY RECALL EDIT NAME SAVE EDIT PATH RECALL AUTO SEL ITEMS RECALL TO RECALL CONFIG SELECT SEL ITEMS ITEMS TO RECALL DATA SET ENABLE LIST ALL ITEMS DATA SET DISABLE CLEAR ALL ITEMS DATA SET CLEAR ALL PAGE UP PAGE DOWN DEFAULT...
  • Page 197 Menu Overview MEMORY MEMORY CONFIG CONFIG MEMORY SAVE EDIT PATH RECALL FORMAT COPY DISK CONFIG DELETE RENAME MAKE DIRECTORY SORT MODE PA GE U P PAGE UP PAGE DOWN PA GE D OWN 1065.6016.12 3.45 E-13 www.valuetronics.com...

  • Page 198: User Key Group

    Menu Overview User Key Group USER USER (MACRO 1) DEFINE (MACRO 2) MACRO RECORD (MACRO 3) DEFINE PAUSE (MACRO 4) (MACRO 5) (MACRO 6) (MACRO 7) DELETE MACRO MACRO DEFINE TITLE MACRO SELECT MACRO 1065.6016.12 3.46 E-13 www.valuetronics.com...
  • Page 199 Contents - "Instrument Functions" Contents - Chapter 4 "Instrument Functions" 4 Instrument Functions..................4.1 General Configuration – SYSTEM and CONFIGURATION Key Groups........4.2 FSE Initial Configuration – PRESET Key................. 4.2 Display Configuration – DISPLAY Key ..................4.3 Display Screen Mode Selection..................4.4 Measurement Window Coupling ...................
  • Page 200 Contents - "Instrument Functions" Printing Configuration – SETTINGS Key ................4.54 Selection of Displayed Elements and Colour Settings ..........4.55 Selection of Hardcopy Format..................4.56 Entry of Comment Text ....................4.57 Selection and Configuration of the Printer - with Windows NT Controller....4.58 Selection and Configuration of the Printer - with DOS Controller/ without Controller..
  • Page 201 Contents - "Instrument Functions" Trace Selection and Setup –TRACE Key Group..............4.156 Measurement Function Selection - TRACE 1 to 4 key..........4.156 Detector Selection ..................... 4.161 Quasi Analog Display ....................4.165 Mathematical Functions for Traces ................4.165 Trace Export......................4.167 Sweep Control –...
  • Page 202 Contents - "Instrument Functions" 1065.6016.12 I-4.4 www.valuetronics.com...

  • Page 203: Instrument Functions

    Instrument Functions 4 Instrument Functions All functions of the spectrum analyzer are explained in detail in this chapter. The instrument functions for general settings, printout and data management are described at the beginning of this chapter – key groups SYSTEM, CONFIGURATION, HARDCOPY, MEMORY and the USER key.

  • Page 204: General Configuration - System And Configuration Key Groups

    Initial Configuration General Configuration – SYSTEM and CONFIGURATION Key Groups FSE Initial Configuration – PRESET Key Using the PRESET key, the FSE can be brought to a predefined initial state SYSTEM equivalent to the state after power on. All previous setting are deleted if they PRESET were not previously saved in memory.

  • Page 205: Display Configuration - Display Key

    Display Configuration Display Configuration – DISPLAY Key The measurement results are displayed on the screen of the FSE either in a full-screen window or in two spli-screen windows. In some cases, the two windows can be subdivided into two diagrams each, e. g. for the representation of the inphase and quadrature signal in the vector analyzer mode (option FSE- B7).

  • Page 206: Display Screen Mode Selection

    Display Configuration SYSTEM DISPLAY menu: The DISPLAY key calls a menu which is used DISPLAY SYSTEM FULL to configure the display screen and to select PRESET SCREEN the active measurement window in SPLIT- SCREEN mode. SPLIT SCREEN INFO DISPLAY ACTIVE SCREEN A ACTIVE SCREEN B...

  • Page 207: Measurement Window Coupling

    Display Configuration Measurement Window Coupling For the most part, the settings for the two windows can be either independently performed or coupled to one another. In many cases, when changes are made in one window (e.g., the reference level) it is desirable to also make the corresponding changes in the second window.

  • Page 208: Display Screen Configuration

    Display Configuration Display Screen Configuration SYSTEM DISPLAY-CONFIG DISPLAY submenu: The CONFIG DISPLAY softkey calls a submenu, in CONFIG CONFIG DISPLAY DISPLAY which the selection of color and brightness for the CONFIG TIME SELECT individual elements on the display screen takes DISPLAY OBJECT place.
  • Page 209 Display Configuration The SATURATION softkey is used to enter the color saturation of the SATURATION selected element. The range is 0 to 100%. IEC/IEEE- bus command :DISPlay:CMAP:HSL <hue>,<sat>,<lum> The DEFAULT COLORS softkey restores the default settings for brightness, DEFAULT COLORS color tint and color saturation for all display screen elements.
  • Page 210 Display Configuration SYSTEM DISPLAY-CONFIG DISPLAY DATAENTRY FIELD Untermenü: The DATAENTRY FIELD softkey displays a submenu used to specify DATAENTRY FIELD the position and characteristics of the data entry field. DATAENTRY DATAENTRY FIELD IEC/IEEE- bus command DATAENTRY DEFAULT POSITION DATAENTRY OPAQUE DATAENTRY The DATAENTRY X softkey shifts the position of the data entry field...

  • Page 211: Recording The Correction Data - Cal Key

    Calibration Recording the Correction Data – CAL Key The FSE maintains its high measurement accuracy thanks to its integrated system-error correction method. The CAL hard key provides a series of correction functions which allow not only the system error correction of the complete instrument, but also correction functions which are specifically applicable to the measurement requirements of relevant instrument sections.

  • Page 212: Correction Function Calls

    Calibration Correction Function Calls SYSTEM CAL menu: The CAL SHORT softkey starts a short calibration, in which the absolute gain SHORT of the analyzer as well as the gain errors of the selected bandwidth are corrected. IEC/IEEE- bus command :CALibration:SHORt? The CAL TOTAL softkey starts a complete correction of the analyzer TOTAL including additional partial corrections shown in the menu.
  • Page 213 Calibration The PRESEL PEAK softkey optimizes the tuning of the preselector for input PRESEL PEAK signals in the frequency range above 7 GHz. This calibration should be used whenever signal levels in the frequency range above 7 GHz are to be measured and high accuracy is desired. If a marker is not active when the PRESEL PEAK softkey is pressed, marker 1 is activated as the reference marker and placed on the signal maximum in the active trace.

  • Page 214: Results Of System Error Correction

    Calibration Results of System Error Correction SYSTEM CAL menu: The CAL RESULTS softkey in the right-hand supplementary menu calls the RESULTS CALIBRATION RESULTS table, which displays the correction data that has been recorded. The CALIBRATION RESULTS table contains the following information: page 1: •...

  • Page 215: Instrument Status And Measurement Parameters - Info Key

    Instrument Status and Measurement Parameters Instrument Status and Measurement Parameters – INFO Key SYSTEM INFO menu: The INFO key is used to request general information INFO SYSTEM concerning the instrument. These include: INSTRUMENT PRESET SETTINGS • firmware version FIRMWARE • installed hardware and hardware options VERSIONS •...

  • Page 216: Hardware Configuration And Options

    Instrument Status and Measurement Parameters Hardware Configuration and Options SYSTEM INFO menu: The HARDWARE+OPTIONS softkey opens two tables in which the modules HARDWARE+ OPTION (INSTALLED COMPONENTS) installed in the instrument are listed. • Table MODEL lists the instrument name and model: MODEL FSEA 30 •...

  • Page 217: Self Test

    Instrument Status and Measurement Parameters Self Test SYSTEM INFO-SELFTEST submenu: The SELFTEST softkey opens a submenu with which the self test SELFTEST can be started. EXECUTE SELFTEST TESTS instrument extensive self test functions which comprehensively test instrument functionality. In case of a fault, the instrument can locate a defective module on its own.

  • Page 218: System Messages

    Instrument Status and Measurement Parameters System Messages The SYSTEM MESSAGES softkey opens a submenu with a table in which the generated system messages are displayed. The most recent messages are at the top of the list. The following information is presented: Device-specific three-digit error code (shown as XXX in the figure) MESSAGE Brief description of the reason for the message...

  • Page 219: Statistics Function For Input Attenuator Switching

    Instrument Status and Measurement Parameters Statistics Function for Input Attenuator Switching SYSTEM INFO menu: The STATISTICS softkey calls a submenu for indication of STATISTICS device statistics. STATISTIC SWITCHES The ATT SWITCHES softkey displays various tables listing the mechanical SWITCHES switches and attenuators fitted in the instrument, plus the number of switching operations for the respective switch or attenuator.

  • Page 220: Mode Selection - Mode Key

    Mode Selection Mode Selection – MODE Key The FSE can be operated in one of several modes, each of which is different with respect to functionality and control. The differences in control, however, consist not only in the enabling/disabling of additional softkeys within existing softkey menus, but rather in the fact that existing menus are completely replaced by new menus and menu trees which are tailored to the functional requirements.
  • Page 221 Mode Selection The TV DEMOD softkey selects the operating mode TV Demodulation. TV DEMOD The softkey is only available if FSE is equipped with Option FSE-B3. For a detailed description of operation see manual of options. IEC/IEEE-bus command [:SENSe]:TV:STATe ON | OFF Softkey VECTOR ANALYZER selects the vector analysis mode.

  • Page 222: Preliminary Setup And Interface Configuration - Setup Key

    Configuration/Setup Preliminary Setup and Interface Configuration – SETUP Key CONFIGURATION SETUP menu: The SETUP key opens the menu for CONFIGURATION SETUP SETUP configuration of the FSE. FIRMWARE TRANSDUCER MODE UPDATE softkey opens TRANSDUCER submenu for entering correction characteris- tics for the measurement transducer. SETUP The OPTIONS softkey allows the enabling of FSE MODE...

  • Page 223: Activating Transducer Factors And Transducer Sets

    Configuration/Setup A transducer factor consists of max. 50 reference values defined with frequency, transducer factor and the unit. For the measurement between frequency values linear or logarithmic interpolation of the transducer factor can be chosen. Several factors can be compiled in a transducer set provided that all factors have the same unit or unit "dB".

  • Page 224: Transducer Set

    Configuration/Setup CONFIGURATION SETUP Menu USER TRANSDUCER ACTIVE TRANSDUCER FACTOR TRANSDUCER TRANSDUCER Name: Cable_1 Freq range: 0 Hz FACTOR Unit: 2.000 GHz TRANSDUCER Comment: Cable length 1.50 m, No.112234 TRANSDUCER FACTOR TRANSDUCER SET EDIT TRD Unit Name Unit Name FACTOR Antenna1 dBµV/m Antenna dBµV/m...

  • Page 225: New Entry And Editing Of Transducer Factors

    Configuration/Setup The DELETE FACTOR/SET softkey deletes the marked factor or set. To DELETE FACTOR/SET avoid deletion by mistake, deletion has to be confirmed. MESSAGE Do you really want to delete factor or set? IEC/IEEE-bus command :[SENSe<1|2>:]CORRection:TRANsducer:DELete :[SENSe<1|2>:]CORRection:TSET:DELete The PAGE UP and PAGE DOWN softkeys are used to scroll in large tables PAGE UP which cannot fully be displayed on the screen.
  • Page 226 Configuration/Setup The EDIT TRD FACTOR and NEW FACT/SET softkeys EDIT TRD NEW TRD FACTOR/SET FACTOR both open the submenu for editing and entering new transducer factors. A precondition for the NEW FACTOR/SET softkey is that the selection bar is located in the table when the table TRANSDUCER FACTOR is called up.
  • Page 227 Configuration/Setup The TRD FACTOR NAME softkey activates the entry of the transducer factor TRD FACTOR NAME characteristics in the header field of the table. Name - Entry of name A maximum of 8 characters is permissible for the name. The characters have to comply with the convention of DOS file names.
  • Page 228 Configuration/Setup Fig. 4-2 Logarithmic frequency axis and logarithmic interpolation Fig. 4-3 Logarithmic frequency axis and linear interpolation Comment - Entry of a comment The comment can be freely selected. It can have a maximum number of 50 characters. IEC/IEEE-bus command :[SENS<1|2>:]CORR:TRAN:COMM <string>...

  • Page 229: New Entry And Editing Of Transducer Sets

    Configuration/Setup New Entry and Editing of Transducer Sets A transducer set is characterized by: − maximum 10 ranges (Ranges) in which different transducer factors can be active − the combination of several transducer factors per range (Factor) − a transducer-set name (Name) The EDIT TRD SET and NEW FACTOR/SET softkeys NEW TRD EDIT...
  • Page 230 Configuration/Setup An overwritten transducer set remains stored in the background as long as the edited factor is stored with the SAVE TRD SET softkey or until the table is closed. A set overwritten by mistake can be restored by leaving the entry. The TRD SET NAME softkey activates the entry of the transducer set TRANSD SET NAME...
  • Page 231 Configuration/Setup Softkey TRANSD SET RANGES activates the entry of subranges and the TRANSD SET RANGES associated transducer factors. The selection bar marks the frequency values last active. Start - Entry of start frequency of subrange Stop - Entry of stop frequency of subrange The individual subranges have to be linked without a gap.
  • Page 232 Configuration/Setup The INSERT LINE softkey inserts a free line above the marked subrange. INSERT LINE The DELETE LINE softkey deletes the marked subrange (whole line). The DELETE following subranges move up. LINE In both cases FSE checks that the ranges follow each other without a gap. IEC/IEEE-bus command The SAVE TRD SET softkey saves the changed table in a file on the internal SAVE TRD...

  • Page 233: Enabling Firmware Options

    Configuration/Setup Enabling Firmware Options CONFIGURATION SETUP menu: The OPTIONS softkey opens a submenu for entering keywords for new OPTIONS firmware options (Application Firmware Modules). Options which are already available are indicated in a table that is opened when the menu is called. ENABLE NEW The ENABLE OPTION softkey activates the entry of a OPTION...

  • Page 234: Service Functions

    Configuration/Setup Service Functions The service menu offers a variety of additional functions which are used for maintenance and/or trouble shooting. The service functions are not necessary for normal measurements, however, incorrect use can impair the functionality and/or data integrity of the FSE. Therefore, many of the functions can only be used after entering a password.
  • Page 235 Configuration/Setup CONFIGURATION SETUP SERVICE menu: The REFERENCE ADJUST softkey opens a submenu used to REFERENCE ADJUST adjust the frequency precision of the reference oscillator. REFERENCE The value should be modified only after the frequency REFERENCE ADJUST precision was checked and found to be erroneous (setting REFERENCE range 0 to 4095).

  • Page 236: Setting The Interface Configuration And Time - With Windows Nt Controller

    Configuration/Setup Setting the Interface Configuration and Time - with Windows NT Controller The GENERAL SETUP softkey opens a submenu in which the general instrument setup can be entered. The current settings are displayed as tables on the screen where they may be edited. CONFIGURATION SETUP menu: US E R GENERAL...

  • Page 237: User Port Configuration

    Configuration/Setup User Port Configuration - with Windows NT Controller The instrument provides two parallel interfaces, each of which is 8 bits wide. Over these ports, arbitrary bit patterns can be output or input. The interfaces are designated USER PORT A and USER PORT B. CONFIGURATION SETUP-GENERAL SETUP submenu: The USER PORT A and USER PORT B softkeys activate the columns PORT USER...
  • Page 238 Configuration/Setup Serial Interface Configuration - with Windows NT Controller CONFIGURATION SETUP-GENERAL SETUP submenu: The COM PORT 1 and COM PORT 2 softkeys activate the columns COM1 PORT 1 and COM2, respectively, for entry of the serial interface parameters Since the two interfaces are configured in the same manner, how to configure an interface is described in the following using COM PORT 1.
  • Page 239 Configuration/Setup Parity – Bit parity check no parity check (default setting) NONE even parity check EVEN odd parity check PARITY NONE EVEN IEC/IEEE-bus command :SYSTem:COMM:SERial<1|2>[:RECeive]:PARity[:TYPE] EVEN| ODD| NONE Stop bits – Number of stop bits Available are 1 and 2. The default setting is 1 stop bit. STOPBITS IEC/IEEE-bus command :SYSTem:COMMunicate:SERial<1|2>[:RECeive]:SBITs 1|2...
  • Page 240 Configuration/Setup SW-Handshake – Software handshake protocol Besides the hardware handshake procedure using interface lines, it is also possible to achieve the same effect by using a software handshake protocol. In this case, control bytes are transmitted in addition to the normal data bytes. These control bytes can be used, as necessary, to stop data transmission until the receiver is ready to receive data again.

  • Page 241: Setting The Date And Time

    Configuration/Setup Setting the Date and Time - with Windows NT Controller CONFIGURATION SETUP-GENERAL SETUP submenu: The TIME softkey activates the entry of time for the internal real time clock. In TIME the corresponding dialog box, the time is partitioned into two input fields so that hours and minutes can be entered independently.

  • Page 242: Setting The Interface Configuration And Time - Without Controller Option Or With Ms Dos Controller

    Configuration/Setup Setting the Interface Configuration and Time - without Controller Option or with MS DOS Controller The GENERAL SETUP soft key branches to a sub-menu in which the basic setup of general instrument parameters may be performed. In addition to the configuration of the digital interfaces (IECBUS, COM, LPT and MOUSE), the date and time, the selection of keyboard language as well as the configuration of the USER PORTS may be entered.

  • Page 243: User Port Configuration

    Configuration/Setup User Port Configuration - without Controller Option or with MS DOS Controller The instrument provides two parallel interfaces, each of which is 8 bits wide. Over these ports, arbitrary bit patterns can be output or input. The interfaces are designated USER PORT A and USER PORT B. CONFIGURATION SETUP-GENERAL SETUP submenu: The USER PORT A and USER PORT B soft keys activate the columns USER...

  • Page 244: Serial Interface Configuration

    Configuration/Setup Serial Interface Configuration - without Controller Option or with MS DOS Controller CONFIGURATION SETUP-GENERAL SETUP submenu: The COM PORT 1 and COM PORT 2 soft keys activate the columns COM1 PORT 1 and COM2, respectively, for entry of the serial interface parameters. Since the two interfaces are configured in the same manner, how to configure an interface is described in the following using COM PORT 1.
  • Page 245 Configuration/Setup Parity – Bit parity check no parity check (default setting) NONE even parity check EVEN odd parity check PARITY NONE EVEN Stop bits – Number of stop bits Available are 1 and 2. The default setting is 1 stop bit. STOPBITS HW-Handshake –...
  • Page 246 Configuration/Setup Owner – Assignment of the interface When the option FSE-B15, DOS controller, is installed, the serial interface can be assigned alternatively to the instrument measurement section, the DOS section or to both sections of the FSE . If the interface is assigned to only one section of the instrument, it is not available to the other section.

  • Page 247: Setting Date And Time

    Configuration/Setup Setting Date and Time - without Controller Option or with MS DOS Controller CONFIGURATION SETUP-GENERAL SETUP submenu: The TIME soft key activates the entry of time for the internal real time clock . TIME In the corresponding dialog box, the time is partitioned into two input fields so that hours and minutes can be entered independently.

  • Page 248: Mouse Configuration

    Configuration/Setup Mouse Configuration - without Controller Option or with MS DOS Controller How to connect a mouse is described in chapter 1, section "Connecting a Mouse", the operation of the instrument with a mouse is described in chapter 2, section "Mouse and External Keyboard Control". Caution: The keyboard may only be connected when the instrument is switched off (STANDBY).
  • Page 249 Configuration/Setup External Keyboard Configuration - without Controller Option or with MS DOS Controller How to connect a keyboard is described in chapter 1, section "Connecting an External Keyboard", the operation of the instrument with an external keyboard is described in chapter 2, section "Mouse and External Keyboard Control".

  • Page 250: Firmware Update

    Configuration/Setup Firmware Update New firmware versions can be installed from the integral disk drive. The firmware update kit contains several disks. The installation program is called in the SETUP menu. CONFIGURATION SETUP sidemenu: FIRMWARE The FIRMWARE UPDATE softkey opens the submenu for FIRMWARE UPDATE the installion of a new firmware version.

  • Page 251: Status Display-Remote/Manual Control - Status Key Group

    Manual Control Status Display-Remote/Manual Control – STATUS Key Group The SRQ LED, the REMOTE LED and the LOCAL. key are contained in the STATUS STATUS key group. The SRQ LED indicates that a service request from the instrument has é REMOTE been asserted on the IEC Bus.

  • Page 252: Measurement Documentation - Hardcopy Key Group

    Documentation of Measurement Results Measurement Documentation – HARDCOPY Key Group Note: The installation of additional printer drives is described in chapter 1, section "Installation and Configuration of Printers". Printing Data – START Key - with Windows NT Controller Note: Printing data for instruments with MS DOS controller or without controller is described page 4.52 The instrument uses the printer function of Windows NT to output hardcopies.
  • Page 253 Documentation of Measurement Results A double-click on this symbol opens a window containing the entries of the printer queue. The relevant print order can be cancelled by marking it with the mouse and pressing the DEL key. While a print job is in progress, problems may occur in the printer. If, while printing, the printer issues a PAPER OUT message, i.e., no more paper is available, the user will be prompted by the following message ERROR...

  • Page 254: Printing Data - Start Key- With Ms Dos Controller Or Without Controller

    Documentation of Measurement Results Printing Data – START Key- with MS DOS Controller or without Controller Note: Printing data for instruments with Windows NT controller is described page 4.50 The START key initiates the printing of measurement/ instrument status data. HARDCOPY The FSE can distinguish between two different output devices, each of which START...
  • Page 255 Documentation of Measurement Results Similar SYSTEM MESSAGES appear, e.g., if the IEC Bus address of the printer is incorrectly set , the printer does not respond, etc. Switchover between b/w and coloured printouts is possible with softkey COLOR ON/ OFF provided that the printer connected is able to output such prints.

  • Page 256: Printing Configuration - Settings Key

    Documentation of Measurement Results Printing Configuration – SETTINGS Key HARDCOPY SETTINGS menu: The SETTINGS key opens the menu to configure the printout. HARDCOPY SETTINGS HARDCOPY COPY The recommended procedure for configuring the printout is as SCREEN follows: START COPY • Configure the desired printer and select the interface over TRACE which the output is to take place by using Windows NT and SETTINGS...

  • Page 257: Selection Of Displayed Elements And Colour Settings

    Documentation of Measurement Results Selection of Displayed Elements and Colour Settings HARDCOPY SETTINGS menu: The COPY SCREEN softkey selects the output of test results. COPY SCREEN All the diagrams, traces, markers, marker lists, display lines, limit lines etc. are printed out as long as they are displayed on the screen. Softkeys, tables and open data entry fields are not printed out.

  • Page 258: Selection Of Hardcopy Format

    Documentation of Measurement Results Selection of Hardcopy Format HARDCOPY SETTINGS-SELECT QUADRANT submenu: The SELECT QUADRANT softkey calls the the submenu for SELECT QUADRANT selection of QUADRANTthe location of the display screen SELECT UPPER graphics on the printed page. QUADRANT LEFT LOWER LEFT UPPER...

  • Page 259: Entry Of Comment Text

    Documentation of Measurement Results Entry of Comment Text HARDCOPY SETTINGS-ENTER TEXT submenu: The ENTER TEXT softkey calls the submenu for editing the ENTER TEXT commentary for the individual windows. The comment text COMMENT ENTER appears in the print-out, but does not appear on the display SCREEN A TEXT screen.

  • Page 260: Selection And Configuration Of The Printer - With Windows Nt Controller

    Documentation of Measurement Results Selection and Configuration of the Printer - with Windows NT Controller Note: Selection and configuration of the printer for instruments with MS DOS controller or without controller is described page 4.60 The instrument permits two different printers to be configured. One of the devices is defined as the active device and can be used for hardcopies.
  • Page 261 Documentation of Measurement Results Three file formats and the Windows NT clipboard are always available, even if a printer has not yet been installed under Windows NT. All installed printers are listed below in alphabetic order. The printer installation is described in Chapter 1, Section "Installation and Configuration of Printers".
  • Page 262 Documentation of Measurement Results Selection and Configuration of the Printer - with MS DOS Controller or without Controller Note: Selection and configuration of the printer for instruments with Windows NT controller is described page 4.58 HARDCOPY SETTINGS-HARDCOPY DEVICE submenu: The HARDCOPY DEVICE softkey switches to the sub-menu HARDCOPY DEVICE which is used for the selection/configuration of the two output...
  • Page 263 Documentation of Measurement Results The FSE permits two different output devices to be configured. One of the SETTINGS devices is defined as the active device and can be used for hardcopies. DEVICE 1 After calling the menu, the SETTINGS DEVICE 1 softkey is active and permits the selection and configuration of the output device DEVICE 1.
  • Page 264 Documentation of Measurement Results Data format for a 24-pin printer EPSON24 data format for Epson-compatible 24-needle printers, black/white, e. g. Epson LQ-series, R&S PDN EPSON24C data format for Epson-compatible 24-needle color printers, e. g. Epson Stylus Color, R&S PDN Color Data formats for laser and ink-jet printers HPPCL4 black/white with 300DPI resolution...
  • Page 265 Documentation of Measurement Results By selection of the FILE channel, the printer output can be sent to a file. In this case, pressing HARDCOPY START results in a prompt for the entry of a file name. If COM1 or COM2 is selected, recording must be set to HARDCOPY (CONFIGURATION SETUP - GENERAL SETUP submenu).
  • Page 266 Documentation of Measurement Results Device Reset This line defines if the output device is to be reset (DEVICE RESET ON) before the actual print job is started or not (DEVICE RESET OFF). Resetting the output device causes, e.g., the loss of any settings which are made directly on the output device.
  • Page 267 Documentation of Measurement Results Paperfeed This line of the table determines which paper holder is to be used for the print job. The input field of this line can only be selected when the output device permits a selection between endless and single-sheet paper types. Therefore, for plotters it is set to OFF and cannot be changed.

  • Page 268: Memory Configuration

    Memory Configuration Saving and Recalling Data Sets – MEMORY Key Group The keys in the MEMORY group call the following functions: • Functions for managing storage media (CONFIG). This includes among others functions listing files, formatting storage media, copying, and deleting/renaming files. •...
  • Page 269 Memory Configuration Table 4-2 Assignment of extensions to data subsets Extension Contents Designation in the table SEL ITEMS TO SAVE/RECALL Configuration data: .SET current settings of the measurement HARDWARE SETTINGS hardware and designation, if present .LIN data-point tables for the active limit lines LINES .LIA all defined limit lines...

  • Page 270: Configuration Of Memory - Config Key

    Memory Configuration Configuration of Memory – CONFIG Key MEMORY CONFIG menu: The CONFIG key opens a menu for managing storage media and files. MEMORY The Drive Management table displays the name and label of the storage SAVE medium as well as the free memory. The File Management table displays the files in the current directory and RECALL indicates if any subdirectories are present.
  • Page 271 Memory Configuration The COPY softkey activates the entry of the destination for the copy COPY operation. By prefixing a disk drive letter (e.g. C:), a file can also be copied to another storage medium. When the ENTER key is pressed, the selected files/directories are copied.

  • Page 272: Saving Data Sets - Save Key

    Saving Data Sets Saving Data Sets – SAVE Key The SAVE key activates a menu which contains all functions necessary for saving instrument data. – Entry of the name of the data set which should be saved. Confirmation of the entry initiates a save operation to store the data set.

  • Page 273: Selecting The Data Set For Saving

    Saving Data Sets Selecting the Data Set for Saving MEMORY SAVE menu: The EDIT NAME softkey activates the entry of the name of the data set to be EDIT NAME saved. Data entry is concluded by pressing one of the units keys which initiates a save operation to store the data set.
  • Page 274 Saving Data Sets The DATA SET CLEAR softkey clears the marked data set. DATA SET CLEAR IEC/IEEE-bus command :MMEMory:CLEar:STATe 1,’test’ The DATA SET CLEAR ALL softkey deletes all data sets in the current DATA SET CLEAR ALL directory. To prevent all the data sets from being accidentally lost, confirmation from the user is required before actual clearing takes place.

  • Page 275: Selecting The Data Subset For Storage

    Saving Data Sets Selecting the Data subset for Storage MEMORY SAVE-SELECT ITEMS TO SAVE sub-menu: The SEL ITEMS TO SAVE softkey opens a sub-menu for SEL ITEMS TO SAVE selection of the data subsets. SEL ITEMS SELECT TO SAVE ITEM ENABLE ALL ITEMS DISABLE...
  • Page 276 Saving Data Sets The SELECT ITEMS softkey moves the selection bar to the first line, left SELECT ITEMS column of the table. IEC/IEEE-bus commands :MMEMory:SELect[:ITEM]:GSETup ON|OFF :MMEMory:SELect[:ITEM]:HWSettings ON|OFF :MMEMory:SELect[:ITEM]:TRACe<1...4> ON|OFF :MMEMory:SELect[:ITEM]:LINes[:ACTive] ON|OFF :MMEMory:SELect[:ITEM]:LINes:ALL ON|OFF :MMEMory:SELect[:ITEM]:CSETup ON|OFF :MMEMory:SELect[:ITEM]:HCOPy ON|OFF :MMEMory:SELect[:ITEM]:CVL[:ACTive] ON | OFF :MMEMory:SELect[:ITEM]:CVL:ALL ON | OFF :MMEMory:SELect[:ITEM]:SCData ON | OFF :MMEMory:SELect[:ITEM]:MACRos ON|OFF...

  • Page 277: Recalling Of Data Sets - Recall Key

    Recalling Data Sets Recalling of Data Sets – RECALL Key The RECALL key activates a menu which contains all functions necessary for recalling data sets. – Entry of the name of the data set which should be recalled. Confirmation of the entry initiates a load operation to recall the data set.
  • Page 278 Recalling Data Sets Selecting the Data Set for Recalling MEMORY RECALL menu: The EDIT NAME softkey activates the entry of a data set name. EDIT NAME The data input is terminated by pressing one of the units keys which simultaneously initiates the data set recall operation. IEC/IEEE-bus command :MMEMory:LOAD:STATe 1,’A:test’...

  • Page 279: Clear All

    Recalling Data Sets see Chapter "Saving Data Sets" DATA SET LIST see Chapter "Saving Data Sets" DATA SET CLEAR see Chapter "Saving Data Sets" DATA SET CLEAR ALL The PAGE UP or PAGE DOWN softkey sets the DATA SET LIST table to the PAGE UP next or previous page.

  • Page 280: Building A Data Set

    Recalling Data Sets Building a Data Set MEMORY RECALL-SELECT ITEMS TO RECALL sub-menu: The SEL ITEMS TO RECALL softkey opens a sub-menu to SEL ITEMS TO RECALL select data subsets. SEL ITEMS SELECT TO RECALL ITEM ENABLE ALL ITEMS DISABLE ALL ITEMS DEFAULT CONFIG...
  • Page 281 Recalling Data Sets The SELECT ITEMS softkey activates the ITEMS TO RECALL table and sets SELECT ITEMS the selection bar to the first line, left column of the table. IEC/IEEE-bus command see "Selecting the Data subset for Storage" The ENABLE ALL ITEMS softkey marks all entries in the ITEMS TO RECALL ENABLE ALL ITEMS table.

  • Page 282: Macros - User Key

    Macros Macros – USER Key The FSE menus are so designed that the analyzer can be easily applied to most of the usual measurement tasks with a minimum number of key operations. However, the USER menu also permits a tailored adaptation of any necessary setup and measurement functions needed for special applications.

  • Page 283: Starting Macros

    Macros Starting Macros USER menu The USER key opens a menu for selection and starting USER MENU USER of macros. (MACRO 1) The macros can be defined in the DEFINE MACRO submenu. (MACRO 2) (MACRO 3) (MACRO 4) DELETE (MACRO 5) LINE (MACRO 6) (MACRO 7)

  • Page 284: Defining Macros

    Macros Defining Macros In the DEFINE MACRO menu, all necessary softkeys needed for macro management are available. Included are functions for starting and ending macro programming, editing of a macro title, etc. USER DEFINE MACRO menu The DEFINE MACRO softkey calls the sub-menu to define DEFINE MACRO the macros.
  • Page 285 Macros The DEFINE PAUSE softkey inserts a pause instruction into the macro DEFINE PAUSE sequence which is being recorded. A running macro will pause when it reaches this instruction, at which point settings on the unit under test could for example be made.

  • Page 286: Analyzer Mode

    Frequency and Span Analyzer Mode Frequency and Span Selection – FREQUENCY Key Group The FREQUENCY key group is used to specify the frequency axis of the active measurement window. The frequency axis can be defined either by the start and stop frequency or by the center frequency and span.
  • Page 287 Frequency and Span If the CENTER FIXED softkey is active, the center frequency remains CENTER FIXED constant when the start frequency is changed. The stop frequency is adjusted to the new frequency range. IEC/IEEE-bus command :[SENSe<1|2>:]FREQ:STARt:LINK CENTer The FREQ AXIS LIN/LOG softkey switches between linear and logarithmic FREQ AXIS scales on the frequency axis.

  • Page 288: Stop Frequency - Stop Key

    Frequency and Span Stop Frequency – STOP Key FREQUENCY – STOP menu: The STOP key opens a menu which displays the various STOP FREQ FREQUENCY options for setting the stop frequency of the sweep. STOP CENTER SPAN MANUAL The STOP MANUAL softkey is automatically active and opens START the entry window for manual input of the stop frequency.

  • Page 289: Center Frequency - Center Key

    Frequency and Span Center Frequency – CENTER Key FREQUENCY – CENTER menu: The CENTER softkey opens a menu which displays the FREQUENCY CENTER various options for setting the center frequency of the sweep. CENTER SPAN CENTER MANUAL The CENTER MANUAL softkey is automatically active and opens the entry window for manual input of the center START frequency.
  • Page 290 Frequency and Span If the SPAN FIXED softkey is active, the span remains constant when the SPAN FIXED center frequency is changed. The start and stop frequency are adjusted to the new frequency range. SPAN FIXED coupling is the default setting. IEC/IEEE-bus command :[SENSe<1|2>:]FREQ:CENTer:LINK SPAN If the START FIXED softkey is active, the start frequency remains constant...

  • Page 291: Center Frequency Step Size

    Frequency and Span Center Frequency Step Size The STEP key in the DATA VARIATION key group opens a menu for setting the step size of the center frequency. The step size can be coupled to the span (frequency domain) or the resolution bandwidth (time domain) or it can be manually set to a fixed value.
  • Page 292 Frequency and Span Frequency domain: The AUTO 0.5 * SPAN softkey sets the step size for AUTO 0.5 * SPAN center frequency entry to 50% of the span. IEC/IEEE-bus command :[SENSe<1|2>:]FREQuency:CENTer:STEP:LINK SPAN; :[SENSe<1|2>:]FREQuency:CENTer:STEP:LINK:FACTor 50PCT AUTO 0.5 * RBW Time domain: The AUTO 0.5 * RBW softkey sets the step size of the center frequency entry to 50% of the resolution bandwidth...

  • Page 293: Frequency Span - Span Key

    Frequency and Span Frequency Span – SPAN Key FREQUENCY – SPAN menu: The SPAN key opens a menu for setting the sweep span. FREQUENCY SPAN SPAN CENTER SPAN The SPAN MANUAL softkey is automatically active and MANUAL opens the entry window for manual input of the span. At START the same time, the parameter coupling is set to CENTER FIXED...
  • Page 294 Frequency and Span The FULL SPAN softkey sets the span value to the maximum span of the FULL SPAN FSE. IEC/IEEE-bus command :[SENSe<1|2>:]FREQuency:SPAN:FULL The LAST SPAN softkey restores the previous setting if the span has been LAST SPAN changed. This makes it possible to switch over between an overview measurement (FULL SPAN) and a detailed measurement (manually set center frequency and span).

  • Page 295: Display Zoom

    Frequency and Span Display Zoom FREQUENCY SPAN- ZOOM submenu: The ZOOM softkey activates the zoom mode and opens a sub-menu to define the zoom span. ZOOM ZOOM Two frequency lines, which show and define the frequency MOVE ZOOM WINDOW range to be zoomed, appear in the active measurement window when the zoom mode is switched on.

  • Page 296: Level Display And Rf Input Configuration - Level Key Group

    Level Display/RF Input Level Display and RF Input Configuration – LEVEL Key Group The REF and RANGE keys are used to set the reference level (= maximum RF input level, = overload limit), the maximum level (= upper grid level) , and the display range of the active window. The INPUT key sets the characteristics of the RF input (input impedance and input attenuation).
  • Page 297 Level Display/RF Input The REF LEVEL softkey activates the entry of the reference level. The unit of REF LEVEL the entry will be the currently active unit (dBm, dBµV, etc.). If the MAX LEVEL MANUAL softkey is active, a change of the reference level causes an equal amount of change in maximum level Thus, the separation between the overload limit of the analyzer to the upper grid edge remains the same.

  • Page 298: Display Units

    Level Display/RF Input Display Units Generally, a spectrum analyzer measures the signal voltage at the RF input. The level display is calibrated in terms of therms values of an unmodulated sine wave. In the initial state, the level is displayed at a power of 1 milliwatt (= dBm). As the input impedance is known to be 50Ω or 75Ω, conversion to other units is possible.
  • Page 299 Level Display/RF Input The dBm, dBµV, dBmV, dBµA, dBpW softkeys set the display units to the corresponding logarithmic units. The dBm unit is the default unit in analyzer mode. The units dBm, dBµV, dBmV, dBµA cannot be selected when the coded antenna connector or the used transducer defines a unit.

  • Page 300: Level Range - Range Key

    Level Display/RF Input The VOLT, AMPERE, WATT softkeys set the display units to the VOLT corresponding linear units. The units VOLT, AMPERE, WATT cannot be selected when the coded antenna connector or the transducer table defines one of the following as units: AMPERE µV/m...
  • Page 301 Level Display/RF Input The LOG MANUAL softkey activates the entry of the level display range. MANUAL Display ranges from 10 to 200 dB are allowed in 10-dB steps. Values which are not permissible are rounded to the next valid number. IEC/IEEE-bus commands :DISPlay[:WINDow<1|2>]:TRACe<1..4>:Y:SPACing LOG :DISPlay[:WINDow<1|2>]:TRACe<1...4>:Y 110DB...

  • Page 302: Rf Input Configuration - Input Key

    Level Display/RF Input RF Input Configuration – INPUT Key In addition to manual entry of the input attenuation, the FSE provides an option which allows the RF attenuation, dependent on the selected reference level, to be automatically set. Thus, it is guaranteed that an optimum combination of RF attenuation and IF amplification is always used.
  • Page 303 Level Display/RF Input The ATTEN AUTO NORMAL softkey sets the RF attenuation automatically as ATTEN AUTO NORMAL a function of the selected reference level. IEC/IEEE-bus commands :INPut<1|2>:ATTenuation:AUTO:MODE NORMal :INPut<1|2>:ATTenuation:AUTO ON The ATTEN AUTO LOW NOISE softkey sets the RF attenuation always 10dB ATTEN AUTO LOW NOISE lower than in the RF ATTEN AUTO mode.
  • Page 304 Level Display/RF Input INPUT INPUT SELECT submenu: The INPUT SELECT softkey calls a submenu for selection of the INPUT SELECT input impedance of the RF input. RF INPUT INPUT The basic setting is 50 Ohm. By connecting an impedance 50 OHM SELECT converter RAM or RAZ ahead, the 50-Ohm input can be RF INPUT...

  • Page 305: Option 1 Db Attenuator - Fse-B13

    Level Display/RF Input Option 1 dB Attenuator - FSE-B13 The option 1 dB Attenuator FSE-B13 is used to set the attenuator with a step size of 1 dB up to an upper limit frequency of 7 GHz. The attenuator with 1 dB stepping is connected in series after the main attenuator. Instruments with an Upper Limit Frequency of up to 7 GHz The optional attenuator is in the signal path for all settable frequencies in instruments with a maximum upper limit frequency of 7 GHz.
  • Page 306 Level Display/RF Input On changing the frequency range for the stop frequency, the attenuator can be set as follows: Instrument setting: ATTENUATOR AUTO ≤ 7 GHz to F After switching from F > 7 GHz the reference level is re-calculated provided stop stop the attenuation previously set contained 1 dB steps.

  • Page 307: Marker Functions - Marker Key Group

    Main Markers Marker Functions – MARKER Key Group The markers are used for marking points on measurement curves (traces), reading out measurement values and for quickly selecting a screen mode. Preselected measurement routines can be called by pressing a key in the marker menu. The FSE has four markers and four delta markers per measurement window.
  • Page 308 Main Markers MARKER NORMAL menu: MARKER MARKER MARKER MARKER NORMAL SEARCH NORMAL NORMAL NORMAL POWER MEAS MARKER 1 SETTING MARKER 2 CHANNEL MARKER 3 POWER CP / ACP MARKER 4 SIGNAL SET CP COUNTER COUNT REFERENCE RESOL MARKER SIGNAL C / N DEMOD TRACK MARKER...
  • Page 309 Main Markers Pressing the MARKER 3 softkey switches MARKER 3 on and it becomes the reference maker. The previous reference marker remains enabled and the softkey remains illuminated. However, the entry mode for this marker is not now active. Instead, the entry window for MARKER 3 is opened and the position of MARKER 3 can be shifted.
  • Page 310 Main Markers If a marker (or, delta marker) necessary for a marker function is not available, it will be automatically checked whether or not the enabling of the corresponding marker is possible (see above). If this is not the case, a warning is issued. WARNING: No trace active The activation of the desired marker function is then not possible.

  • Page 311: Lf Demodulation

    Main Markers The MARKER ZOOM softkey expands the area around the active marker. MARKER ZOOM With the zoom function, more details of the spectrum can be seen. The desired display range can be defined in an entry window. The sweep is stopped at the reference marker. The frequency of the signal is counted and the measured frequency becomes the new center frequency.
  • Page 312 Main Markers MARKER NORMAL-MARKER DEMOD submenu: The MARKER DEMOD softkey calls a sub-menu in which the MARKER DEMOD type demodulation desired, duration MARKER MKR DEMOD demodulation and the loudness may be selected DEMOD STOP TIME VOLUME The MKR DEMOD ON/OFF softkey switches the demodulation on/off. When MKR DEMOD the demodulation is on, the sweep is stopped at all marker frequencies, assuming the signal is over the threshold, and the signal is demodulated until...

  • Page 313: Frequency Measurement

    Main Markers Frequency Measurement To accurately determine the frequency of a signal, the FSE is equipped with an internal frequency counter. The frequency counter measures the frequency of the RF signal at the intermediate frequency. Using the value found at the intermediate frequency, the FSE calculates the frequency of the RF signal by applying the known frequency conversion relationships.

  • Page 314: Noise Power Density Measurement

    Main Markers The COUNTER RESOL softkey in the right side menu opens COUNTER RESOLUTION a sub-menu in which the resolution of the frequency counter COUNTER can be defined. 10 kHz RESOL The value can be selected between 0.1 Hz and 10 kHz. 1 kHz The time which the frequency counter requires for a measurement is proportional to the selected resolution.

  • Page 315: Channel Power Measurements

    Main Markers Channel Power Measurements A modulated carrier is almost always used (exception e.g.,.: SSB-AM) for high-frequency transmission of information. Due to the information modulated onto the carrier, the latter covers a spectrum which is defined by the modulation, the data transmission rate and the signal filtering. Within a transmission band, each carrier is assigned a channel taking into account these parameters.

  • Page 316: Channel Configuration

    Main Markers Channel Configuration For all power measurements, a specified channel configuration is assumed which is, e.g. oriented on a specific radio communications system. The channel configuration is defined by the nominal channel frequency ( = center frequency of the FSE), the channel bandwidth (CHANNEL BANDWIDTH) and the channel spacing (CHANNEL SPACING).
  • Page 317 Main Markers The ACP STANDARD softkey activates the selection of a digital mobile-radio STANDARD standard. The parameters for the adjacent channel power measurement are set according to the regulations of the selected standard. The following standards can be selected: ACP STANDARD NONE NADC (IS-54 B) NADC...
  • Page 318 Main Markers The CH FILTER ON/OFF softkey switches a modulation filter for the channel CH FILTER power and adjacent channel power measurement on or off. When selecting the digital mobile-radio standards NADC, TETRA and W- CDMA 3 GPP (FWD and REV) using the ACP STANDARD softkey, the softkey is automatically set to ON.
  • Page 319 Main Markers The CHANNEL SPACING softkey opens an table for defining the channel CHANNEL SPACING spacing. The channel spacing is the spacing of the center frequency of a given channel relative to the center of the transmission channel. The default setting for channel spacing is 20 kHz. CHANNEL SPACING CHAN SPACING 20 kHz...

  • Page 320: Channel Power Measurement

    Main Markers Channel Power Measurement The CHANNEL POWER measurement is performed by an integration of the measurement points within the channel bandwidth. The channel is marked by two vertical lines to the left and to the right of the center frequency as defined by the channel bandwidth (see Fig. 4-4). Marker [T1] RBW 300 Hz RF ATT...
  • Page 321 Main Markers The CP/ACP ABS/REL softkey (Channel Power/Adjacent Channel Power CP/ACP Absolute /Relative) switches between an absolute and relative display of the power measured in the channel or adjacent channel. Channel power measurement CP ABS The absolute value of the power is displayed in the unit of the Y axis, eg in dBm, dBV.

  • Page 322: Measurement Procedure

    Main Markers Signal / Noise Power Measurement MARKER NORMAL menu: The C/N (Carrier to Noise) softkey calculates the ratio of carrier power to C / N noise power and the power of interference signals in the channel defined under POWER MEAS SETTING. For the measurement, a marker must be set to the carrier of interest.
  • Page 323 Main Markers Example: The signal-to-noise ratio of the carrier (f = 199.9 MHz) in the channel with +100 kHz separation from 200 MHz (channel center frequency) is to be measured. The channel bandwidth is 150 kHz. 1. Using the CENTER key, set the center frequency to the channel center frequency 200 MHz. 2.

  • Page 324: Adjacent Channel Power

    Main Markers Adjacent Channel Power MARKER NORMAL menu: The ADJACENT CHAN POWER softkey starts the measurement of the ADJACENT CHAN POWER adjacent channel power. The ADJACENT CHAN POWER measures the power which the transmitter delivers to the two adjacent channels (upper channel , lower channel). The measurement values are displayed according to the setting of the CH/ACD ABS/REL softkey as absolute values in the scale of the X axis (see Fig.4-6) or as a logarithmic ratio of adjacent channel to useful channel in dB (20 ×...
  • Page 325 Main Markers Marker [T1] RBW 300 Hz RF ATT 10 dB Ref Lvl -28.4 dBm VBW 300 Hz Mixer -30 dBm -20 dBm 200.0100 MHz SWT 100 ms Unit -28.4 dBm 200.0100 CH0 PWR -18.3 dBm ACP Max -67.23 dBm ACP UP -67.23 dBm ACP LOW...

  • Page 326: Measurement Principle

    Main Markers Occupied Bandwidth Measurement An important characteristic of a modulated signal is the bandwidth which it occupies. In a radio communications system, for instance, the occupied bandwidth must be limited prevent in adjacent channel interferences. The occupied bandwidth is defined as the bandwidth in which a defined percentage of the total transmitter power is contained.
  • Page 327 Main Markers Parameters for Channel Power Measurements / Configuration For the correct measurement of channel power, C/N, C/N0, adjacent channel power and occupied bandwidth, it is recommended that an automatic optimisation of the analyzer settings be performed after enabling the corresponding measurement and selecting the channel configuration (channel power settings).
  • Page 328 Main Markers Resolution bandwidth (RBW) In order to achieve acceptable speed as well as the necessary selectivity (to suppress spectral components outside of the channel to be measured and, especially adjacent channels), the resolution bandwidth that is selected must not be too narrow or too broad. If the resolution bandwidth is too narrow, the measurement speed becomes very slow and it is possible that relative spectral components are not displayed (due to the sampling detector necessary for power measurements and the...

  • Page 329: Marker Step Size

    Main Markers Marker Step Size DATA VARIATION – STEP menu: The STEP key in the DATA VARIATION key group opens a menu to match the marker step size to each individual MARKER DATA VARIATION STEP SIZE application. In order to change the step size, the marker entry HOLD STEP STEPSIZE...

  • Page 330: Delta Markers - Delta Key

    Delta Markers Delta Markers – DELTA Key The delta marker.s are used to measure a level or frequency referred to a reference marker. They are always referenced to the marker whose position was last changed. A delta marker is displayed as an empty symbol.
  • Page 331 Delta Markers The DELTA ABS REL softkey switches between relative and absolute entry DELTA MKR modes for the delta-marker frequency. In the REL position, the delta marker frequency is entered relative to the reference marker. In this case, the entry mode for the delta-marker frequencies is also relative.
  • Page 332 Delta Markers MARKER DELTA- REFERENCE POINT submenu: The REFERENCE POINT softkey opens a sub-menu in which REFERENCE POINT the reference value the REFERENCE FIXED and PHASE REF POINT REFERENCE NOISE functions can be modified. LEVEL POINT The position of the reference value is indicated by two REF POINT additional display lines (horizontal and vertical).

  • Page 333: Phase Noise Measurement

    Delta Markers Phase Noise Measurement MARKER DELTA menu: The PHASE NOISE softkey switches the PHASE NOISE function on/off. PHASE NOISE When PHASE NOISE measurement is switched on, the frequency and level of the reference marker are used as fixed reference values, i.e. the REFERENCE FIXED function is activated.

  • Page 334: Delta-Marker Step Size - Step Key

    Delta Markers Delta-Marker Step Size - STEP Key STEP-DELTA STEP menu: The STEP key in the DATA VARIATION key group opens a DELTA DATA VARIATION STEP SIZE menu to match the step size of the individual delta markers HOLD STEP STEPSIZE to the specific application.

  • Page 335: Search Functions - Search Key

    Search Functions Search Functions – SEARCH Key The FSE offers numerous functions useful for peak/min. peak searching. The search functions can be used for marker as well as delta marker functions. The setups applicable to the available search functions are performed in the MARKER-SEARCH menu. The search functions are always related to the currently active marker.
  • Page 336 Search Functions The ACTIVE MKR / DELTA softkey toggles between the active marker and ACTIVE DELTA the active delta marker. If DELTA is illuminated, the following search functions are performed with the active delta marker. Note: Switching between marker and delta marker entry modes may also be performed using the NORMAL and DELTA keys.
  • Page 337 Search Functions The NEXT MIN softkey sets the active marker to the next higher of the low NEXT MIN peaks on the corresponding trace. IEC/IEEE-bus commands :CALCulate<1|2>:MARKer<1..4>:MIN:NEXT :CALCulate<1|2>:DELTamarker<1..4>:MIN:NEXT The NEXT MIN RIGHT softkey set the active marker to the next low peak to NEXT MIN RIGHT the right of the current marker position.
  • Page 338 Search Functions The following example shows the effect of different PEAK EXCURSION settings. Marker [T1] 199.0140 MHz -22.4 dBm 42dB 46dB 30dB -100 Fig. 4-7 Example for level measurements at various peak excursion settings Maximum relative level change of the measured signals: Signal 2: 42dB Signal 3...
  • Page 339 Search Functions Whith Peak Excursion 6dB all signals are detected, NEXT PEAK RIGHT does not produce the required results. Order in which signals are found: PEAK: Signal 1 NEXT PEAK: Signal 2 NEXT PEAK: Signal 4 NEXT PEAK: Signal 3 PEAK: Signal 1 NEXT PEAK RIGHT: Marker in noise between signal 1 and signal 2...

  • Page 340: Summary Marker

    Search Functions SHAPE FACT The SHAPE FACT 60/3dB.and SHAPE FACT 60/6dB softkeys activate the 60/3 DB automatic measurement of the form factor for the displayed signals. For this purpose, four temporary markers are used. The markers T1 to T4 indicate, in increasing order, the 3 dB/6 dB positions below the reference marker level.
  • Page 341 Search Functions MARKER SEARCH menu The SUMMARY MARKER softkey calls up the submenu for SUMMARY MARKER selecting the summary marker measurements. SUMMARY The softkey is only available in the time domain. MARKER MEAN PEAK HOLD AVERAGE SWEEP COUNT ALL SUM MKR OFF The RMS softkey selects the measurement of the rms value of the signal per sweep.
  • Page 342 Search Functions The PEAK HOLD ON/OFF softkey switches the maximum peak evaluation on and PEAK HOLD off. For all active summary markers, the displays are updated after each sweep only if higher values have occurred. The measured values can be reset by switching the PEAK HOLD ON / OFF softkey on and off again.

  • Page 343: Instrument Parameter Changes Via Markers - Mkr Í Key

    Marker Å Menu Instrument Parameter Changes via Markers – MKR Í Key MARKER MKR → menu: The MKR → menu offers functions that can be used to MARKER-> MARKER change instrument settings with the currently active marker. PEAK NORMAL SEARCH Exactly as in the SEARCH menu, these functions can also be applied to the delta markers.
  • Page 344 MarkerÅ Menu The MKR → REF LEVEL softkey sets the reference level to that of the current MKR-> REF LEVEL marker. IEC/IEEE-bus command :CALCulate<1|2>:MARKer<1..4>:FUNCtion:REFerence The MKR → CF STEPSIZE softkey sets the step size for the center frequency MKR->CF STEPSIZE variation to the current marker frequency, and also sets step-size adaptation to MANUAL.

  • Page 345: Setup Of Display And Limit Lines - Lines Key Field

    Display and Limit Lines Setup of Display and Limit Lines – LINES Key Field Display Lines – D LINES Key Display lines are aids which, similar to markers, make the evaluation of trace data more convenient. The function of display lines is similar to that of a movable scale which can be used to measure absolute and differential values on traces.
  • Page 346 Display and Limit Lines Note: The softkeys for setting and switching the display lines on and off operate similar to a three- position switch: Initial condition: The line is switched off (softkey has grey background) 1 st press: The line is switched on (softkey has red background) and data entry is activated.
  • Page 347 Display and Limit Lines The DISPLAY LINE 1/2 softkeys switch the display lines on/off and activate DISPLAY LINE 1 the entry of the line location. The display lines mark the selected levels in the measurement window. IEC/IEEE-bus commands DISPLAY :CALCulate<1|2>:DLINe<1|2>:STATe ON | OFF;...
  • Page 348 Display and Limit Lines The TIME LINE 1/2 softkeys switch the time lines 1/2 on/off and activate the TIME LINE 1 entry of line locations. The time lines mark the selected times or define the search range (see section "Marker Functions"). TIME LINE 2 IEC/IEEE-bus commands...

  • Page 349: Limit Lines - Limits Key

    Display and Limit Lines Limit Lines – LIMITS Key Limit lines are used to define limits for amplitude curves or spectral distributions on the screen. They indicate, for example, the upper limits for interference radiation or spurious waves which are permissible from a Unit Under Test (UUT).

  • Page 350: Limit Line Selection

    Display and Limit Lines LINES LIMIT menu USER LINES LIMIT LINES SELECETED LIMIT LINE D LINES SELECT LIMIT LINE Name: GSM22UP Limit: LOWER Domain: FREQUENCY X-Axis: NEW LIMIT Unit: X-Scaling: ABSOLUTE LIMITS LINE Comment: Line 1 Y-Scaling: RELATIVE EDIT LIMIT LINE LIMIT LINES COPY...
  • Page 351 Display and Limit Lines Name and Compatible - Switching on limit lines A maximum of 8 limit lines can be switched at any one time. A check mark at the left edge of a cell indicates that this limit line is switched on. A limit line can only be switched on when it has a check mark in the Compatible column, i.e., only when the display mode of the x-axis (time or frequency) and y-axis units are identical to those in the measurement window.

  • Page 352: Limit Line

    Display and Limit Lines Trace - Selecting the trace to which the limit line is assigned. The trace is selected in an entry window. An integer entries 1, 2, 3 or 4 indicating the trace is entered. The default setting is trace 1. If the selected limit line is not compatible with the assigned trace, the limit line is disabled.

  • Page 353: Entering And Editing Of Limit Lines

    Display and Limit Lines Entering and Editing of Limit Lines A limit line is characterized by • its name • the domain assignment (frequency or time) • whether the scale is absolute or relative (time or frequency) • linear or logarithmic interpolation •...
  • Page 354 Display and Limit Lines LINES LIMIT-EDIT LIMIT LINE menu The EDIT LIMIT LINE and NEW LIMIT LINE softkeys both call the EDIT NEW LIMIT EDIT LIMIT LINE LINE LIMIT LINE submenu used for editing limit lines. In the table heading, the characteristics of the limit line can be entered.
  • Page 355 Display and Limit Lines The NAME softkey activates the entry of characteristics in the table heading. NAME Name - Entry of name A maximum of 8 characters are permitted for each name. All names must be compatible with the MS DOS conventions for file names. The instrument automatically stores all limit lines with the .LIM extension.
  • Page 356 Display and Limit Lines Unit - Selection of the vertical scale units for the limit line Units are selected in a selection box. The default setting is dBm. UNITS VERTICAL SCALE dBuV dBmV dBuA dBpW dBpT dBuV/MHz dBmV/MHz dBuA/MHz IEC/IEEE-bus command :CALCulate<1|2>:LIMit<1...8>:UNIT DB| DBM| PCT |DBUV| DBMW | DBUA | DBPW| DBPT | WATT| VOLT | AMPere | DBUV_MHZ | DBMV_MHZ| DBUA_MHZ |...
  • Page 357 Display and Limit Lines The INSERT VALUE softkey creates an empty line above the current cursor INSERT VALUE position where a new data point can be entered. However, when entering new values, the ascending order for frequency/time values must be kept. IEC/IEEE-bus command The DELETE VALUE softkey erases the data point (complete line) at the DELETE...

  • Page 358: Trace Selection And Setup -Trace Key Group

    Traces Trace Selection and Setup –TRACE Key Group The FSE can display up to four separate traces at a time on a screen. A trace has of a maximum of 500 pixels along the horizontal axis (frequency or time). If more measured values than pixels are available, several measurement values are assigned to one pixel.
  • Page 359 Traces The TRACE keys 1...4 call a menu whith the setting options for the selected trace. This menu is used to determine the method for compressing the measurement data in the frequency or time domain to the 500 representable points of the display is determined. When the measurement is started, a new trace can be displayed or the trace can be based on previous results.
  • Page 360 Traces The BLANK softkey activates the blanking of the trace. BLANK However, the trace remains stored in memory and can be displayed again by pressing VIEW. The markers for the blanked trace are also erased. After reactivation of the trace (with VIEW, CLEAR / WRITE, MAX HOLD, MIN HOLD, AVERAGE) the markers will be restored their their previous positions.
  • Page 361 Traces On completion of averaging, ie when the number of sweeps defined with SWEEP COUNT has been reached, a sliding average given by the following formula is obtained with CONTINUOUS SWEEP , where Trace = new trace − ⋅ RACE Meas Value RACE...
  • Page 362 Traces The MIN HOLD softkey activates the min hold mode. MIN HOLD In this display mode, the FSE saves for each sweep the smallest of the previously stored/currently measured values in the trace memory. The detector is set automatically to MIN PEAK. In this way, the minimum value of a signal can be determined over several sweeps.

  • Page 363: Detector Selection

    Traces Detector Selection The FSE detectors are all-digital. The detectors available are the max-peak detector which derives the maximum value from a number of sample values, the min-peak detector which derivess the minimum value from a number of sample values and the sampling detector. The sampling detector passes on the sampled data without modification or performs a data reduction by suppressing non-displayable values.
  • Page 364 Traces RMS detector The rms detector finds the rms value of the measured values over a pixel. The FSE uses the linear display voltage after the envelope detection. The linear samples are squared, summed and the sum is divided through the number of samples (= mean of squares).
  • Page 365 Traces TRACE 1-DETECTOR submenu The DETECTOR softkey opens a submenu to select the TRACE 1 DETECTOR detector. AUTO DETECTOR SELECT The detector may be independently selected for each trace. Mode AUTO SELECT sets the best suitable detector for each DETECTOR trace display mode (Clear Write, Max Hold oder Min Hold).
  • Page 366 Traces The DETECTOR SAMPLE softkey selects the sample detector. DETECTOR SAMPLE It is used for measuring uncorrelated signals such as noise. The power can be determined by means of fixed correction factors for evaluation and the log amplifier. IEC/IEEE-bus command :[SENSe<1|2>:]DETector<1...4>...

  • Page 367: Quasi Analog Display

    Traces Quasi Analog Display Normally, when measured values are displayed they are joined together with line segments to form a trace which is deleted and redrawn after each sweep. When analog measurements are performed, the persistence of the screen makes it possible to assess the signal’s frequency of occurrence. Frequently occurring events appear brighter on the screen than events that occur less frequently.
  • Page 368 Traces TRACE MATH The T1-T2+REF, T1-T3+REF, T1-T3+REF and T1-REF softkeys subtract the traces and add the set level to the difference. If the reference line is switched T1-T2+REF -> T1 on (see key D LINES), the level value of the reference line instead of the reference level is added to the difference.

  • Page 369: Trace Export

    Traces Trace Export TRACE 1 menu: The ASCII EXPORT softkey stores the active trace in a file with ASCII format. ASCII EXPORT Upon pressing the ASCII EXPORT softkey, a file name can be entered. The default name is TRACE.DAT. Then the measured data of the trace are stored. The function can be configured in the ASCII CONFIG submenu.
  • Page 370 Traces The ASCII COMMENT softkey activates the entry of commentary ASCII COMMENT concerning the current ASCII data set. A total of 60 characters are available for this purpose. IEC\IEEE bus command :FORMat:DEXPort:COMMent ’string’ Structure of the ASCII file: The file consists of the header containing important scaling parameters and a data section containing the trace data.
  • Page 371 Traces Example: Type;FSEA 30; 1.93 Version; Date;20.Sep 1999; Comment; test Mode;Spectrum; Start;0.000000;Hz Stop;3500000000.000000;Hz Center Freq;1750000000.000000;Hz Span;3500000000.000000;Hz Freq Offset;0.000000;Hz x-Axis;LIN; y-Axis;LOG; Level Range;100.000000;dB Ref. Level;-20.000000;dBm Level Offset;0.000000;dBm Max. Level;-20.000000;dBm RF Att;10.000000;dB RBW;3000000.000000;Hz VBW;3000000.000000;Hz SWT;0.005000;s Trace Mode;CLR/WRITE; Detector;AUTOPEAK; Sweep Count;0; TRACE 1: x-Unit;Hz;...

  • Page 372: Sweep Control - Sweep Key Group

    Coupled Settings Sweep Control – SWEEP Key Group Using the SWEEP key group, the parameters are entered which determine the sweep characteristics. These are the coupled functions resolution bandwidth, video bandwidth and sweep time (COUPLING key), the trigger used for starting the sweep (TRIGGER key) and the type of sweep (SWEEP key). Coupled Settings –...
  • Page 373 Coupled Settings Setting and Coupling the Coupling Resolution, Video Bandwidth and Sweep Time SWEEP COUPLING menu The COUPLING key calls a menu and a COUPLED COUPLED SWEEP FUNCTIONS FUNCTIONS supplementary menu for setting the resolution RES BW RBW 1 KHZ bandwidth, video bandwidth, sweep time and their TRIGGER MANUAL...
  • Page 374 Coupled Settings The RES BW MANUAL softkey activates the manual entry mode for the RES BW MANUAL resolution bandwidth. The resolution bandwidth for models 20 can be set in 1/2/3/5 steps in the range between 10 Hz and 10 MHz. The nominal resolution bandwidth is the 3- dB bandwidth.
  • Page 375 Coupled Settings The SWEEP TIME AUTO softkey couples the sweep time to the span, video SWEEP TIME AUTO bandwidth (VBW) and resolution bandwidth (RBW). The sweep time is automatically adjusted whenever the span, resolution bandwidth or video bandwidth are changed. The FSE always selects the shortest sweep time which will not lead to spurious measurements.
  • Page 376 Coupled Settings The RBW<=1kHz NORM/FFT softkey toggles between fixed filter and FFT- RBW <=1KHZ NORM filter. This softkey for models 30 of the FSE or for models 20 equipped with option FFT-filter (FSE-B5). For resolution bandwidths up to 1 kHz fixed IF-filters are used. NORM An FFT is performed.
  • Page 377 Coupled Settings The MAIN PLL BANDWIDTH softkey opens a selection window for setting MAIN PLL BANDWIDTH the PLL control bandwidth. MAIN PLL BANDWIDTH AUTO HIGH MEDIUM The first local oscillator is synchronized with the PLL control bandwidth. The control bandwidth determines the characteristic of the phase noise. A medium or high control bandwidth improves the phase noise for frequency differences smaller than 10 kHz to the carrier, whereas a low control bandwidth improves the phase noise for frequency differences larger than...

  • Page 378: Sweep Coupling Ratio

    Coupled Settings Sweep Coupling Ratio SWEEP COUPLING-COUPLING RATIO submenu: The COUPLING RATIO softkey opens a sub-menu in COUPLING RATIO which the coupling ratio between resolution bandwidth, RBW / VBW COUPLING video bandwidth and the span can be defined. SINE [1] RATIO These settings are effective only for the selected RBW / VBW...
  • Page 379 Coupled Settings The RBW / VBW PULSE softkey sets the following coupling ratio: RBW / VBW PULSE [.1] video bandwidth = 10 x resolution bandwidth video bandwidth = 10 MHz (= maximum video bandwidth). This coupling ratio is recommended when the amplitude of pulsed signals is to be measured.

  • Page 380: Sweep Trigger - Trigger Key

    Sweep Trigger Sweep Trigger – TRIGGER Key SWEEP TRIGGER menu: The TRIGGER key opens a menu for selecting the various TRIGGER SWEEP trigger sources and the trigger polarity. The active trigger FREE RUN mode is indicated by illumination of the corresponding TRIGGER softkey.
  • Page 381 Sweep Trigger The EXTERN softkey activates triggering by an external voltage EXTERN (-5V...+5V) at the input connector EXT TRIGGER/GATE on the rear panel. The trigger threshold can be set in an entry window within a range of -5V...+5V. External triggering in the sweep mode "gated sweep" (SWEEP SWEEP- GATE ON) is not possible, because the EXT TRIG/GATE connector is used to control the sweep.

  • Page 382: Sweep Control

    Sweep Control Sweep Setup – SWEEP Key SWEEP SWEEP menu: The SWEEP key calls a menu in which the type of sweep SWEEP SWEEP (sweep mode) is determined. In split screen mode, the entries CONTINUOUS SWEEP are valid only for the active measurement window. TRIGGER SINGLE In the menu, continuous or single sweep mode, gap-sweep...
  • Page 383 Sweep Control The SWEEPTIME AUTO and SWEEPTIME MANUAL softkeys activate the SWEEPTIME AUTO automatic or manual selection of the sweep time. These functions are identical to the entries in the COUPLING menu (see section "Setting and SWEEPTIME Coupling the Coupling Resolution, Video Bandwidth and Sweep Time"). MANUAL IEC/IEEE-bus commands :[SENSe<1|2>:]SWEep:TIME:AUTO ON | OFF...

  • Page 384: Gated Sweep

    Sweep Control Gated Sweep By using a gate in the sweep mode and stopping the measurement while the gate signal is inactive, the spectrum of pulsed carriers can be displayed without overlaid frequency components caused by switching. Similarly, the spectrum can also be examined when the carrier is inactive. The sweep can be controlled by an external gate or by the internal power trigger.

  • Page 385: Settings Sub-Menu

    Sweep Control The ’gated sweep’ mode is activated by the GATE ON/OFF softkey. The mode is set in the GATE SETTINGS sub-menu. SWEEP SWEEP menu: The GATE ON / OFF softkey switches the sweep mode with an internal or GATE external gate on/off.
  • Page 386 Sweep Control SWEEP SWEEP-GATE SETTINGS sub-menu: In the GATE SETTINGS submenu, all settings are made GATE SETTINGS which are necessary for ’gated sweep’ operation. GATE GATE SETTINGS LEVEL On switching to the time domain, the GATE DELAY and GATE LENGTH times are represented by horizontal time GATE MODE LEVEL EDGE lines which allow simple adjustment of the gate time.
  • Page 387 Sweep Control The GATE DELAY softkey activates the entry window for setting the delay GATE DELAY time between the gate signal and the continuation of the sweep. This may be usefull in allowing for a delay between the gate signal and the stabilization of an RF carrier.

  • Page 388: Measurement Example

    Sweep Control Setting the Gate Times SWEEP SWEEP- GATE SETTINGS - GATE ADJUST submenu: The GATE ADJUST softkey opens a submenu comprising all GATE ADJUST softkeys that are used to set the parameters relevant for the GATE GATE ’gated sweep’ function. ADJUST LEVEL On pressing this softkey, the display is switched to the time...
  • Page 389 Sweep Control Operation steps on the FSE: [PRESET] {802} MHz] [CENTER: {3.6} MHz] [SPAN {0} dBm: RF ATTEN MANUAL: {10} dB] [REF LVL: RES BW MANUAL: {30} kHz] [COUPLING: [TRACE 1: DETECTOR: RMS] SWEEPTIME MANUAL: {50} ms; [SWEEP: GATE ON GATE SETTINGS: GATE MODE EDGE: GATE POL POS: GATE RF POWER SWEEPTIME MANUAL {1} ms: GATE DELAY {300} µs: GATE ADJUST:...

  • Page 390: Sweep Blanking - Gap Sweep

    Sweep Control Sweep Blanking – Gap Sweep For measurements in the time domain, the GAP SWEEP function offers a high degree of flexibility with regard to the display of measurement data. With the PRE TRIGGER softkey, it is possible to display measurements taken before the trigger time.
  • Page 391 Sweep Control 100 kHz RF Att 20 dB Ref Lev 100 kHz -10.0 dBm 500 us Unit (dBm) Span 0 Hz 50 us / Div Center 914 MHz Fig. 4-14 Display of a burst with a gap The GAP SWEEP measurement is activated by the GAP SWEEP ON/OFF softkey. The mode settings are made in the GAP SWEEP SETTINGS sub-menu.
  • Page 392 Sweep Control SWEEP SWEEP-GAP SWEEP SETTINGS sub-menu: The GAP SWEEP SETTINGS softkey opens a sub-menu in GAP SWEEP SETTINGS which the parameters for the gap can be selected. GAP SWEEP TRIGGER SETTINGS LEVEL The trigger time corresponds to t = 0. Events occurring before the trigger time are displayed in negative time.
  • Page 393 Sweep Control The TRG TO GAP TIME softkey opens an entry window for defining the TRG TO GAP TIME distance between the trigger time and the beginning of the gap. The TRIGGER TO GAP TIME range is from 0 to 100 s with a resolution of 50 ns.

  • Page 394: Tracking Generator Option

    Tracking generator Tracking Generator Option In the normal mode, the tracking generator sends a signal exactly at the input frequency of the instrument without a frequency offset. For frequency-converting measurements it is possible to set a constant frequency offset of ±200 MHz between the output signal of the tracking generator and the receive frequency of the instrument.

  • Page 395: Tracking Generator Settings

    Tracking generator Tracking Generator Settings SYSTEM MODE menu: The TRACKING GENERATOR softkey opens a menu for TRACKING GENERATOR setting the functions of the tracking generator. TRACKING SOURCE GENERATOR SOURCE POWER POWER OFFSET SOURCE FREQUENCY OFFSET MODULATION The SOURCE ON/OFF softkey switches the tracking generator on or off. SOURCE / OFF Default setting is OFF...

  • Page 396: Transmission Measurement

    Transmission measurement - Tracking generator Transmission Measurement In this measurement, the transmission characteristic of a two-port network is measured. The built-in tracking generator is the a signal source. The tracking generator is connected to the input of the DUT. The input of the instrument is connected to the output of the DUT. GEN OUTPUT RF INPUT Fig.
  • Page 397 Tracking generator - Transmission measurement The CAL TRANS softkey triggers the calibration for the transmission TRANS measurement. It starts a sweep that records a reference curve. This trace is then used to obtain the differences to the normalized values. Fig. 4-16 Trace of a transmission calibration procedure During the calibration sweep the following message is displayed: SOURCE CAL in progress...

  • Page 398: Normalization

    Transmission measurement - Tracking generator Normalization SYSTEM MODE-TRACKING GENERATOR -SOURCE CAL menu: The NORMALIZE softkey switches the normalization on or off. The softkey is only enabled if the memory contains a correction trace. NORMALIZE If no reference line is switched on when activating the normalization, all measured values are with reference to the top grid line.
  • Page 399 Tracking generator - Transmission measurement It is now possible to shift the relative reference point within the grid by using the REF VALUE POSITION softkey. This means that the trace can be shifted from the upper edge of the grid towards the center of the grid: The REF VALUE POSITION softkey (reference position) marks a reference position in the active screen at which normalization is performed (difference...
  • Page 400 Transmission measurement - Tracking generator The REF VALUE softkey activates the entry of a level difference which is REF VALUE assigned to the reference line. With normalization switched on, all measured values are displayed relative to the reference line, or if the latter is switched off relative to the top grid line which corresponds to 0 dB with default setting.
  • Page 401 Tracking generator - Transmission measurement If, after source calibration, a 10 dB attenuator is inserted into the signal path between DUT and analyzer input, the measurement trace will be moved down by 10 dB. Entering a REF VALUE of –10 dB then moves the reference line down 10 dB.

  • Page 402: Reflection Measurements

    Functioning of Calibration - Tracking generator Reflection Measurements Scalar reflection measurements can be carried out with a reflection-coefficient bridge. GEN OUTPUT RF INPUT BRIDGE Fig. 4-21 Test setup for reflection measurements Calibration of Reflection Measurement This calibration procedure essentially corresponds to that of the transmission measurement. SYSTEM MODE-TRACKING-SOURCE CAL submenu The CAL REFL OPEN softkey starts the open-circuit calibration.

  • Page 403: Calibration Methods

    Frequency Converting Measurements Calibration Methods Calibration means forming the difference between current measured values and a reference curve, no matter what the selected measurement type is (transmission/reflection). The hardware settings used for measuring the reference curve are included in the reference dataset. When normalization is switched on, a wide range of device settings can be changed without aborting normalization.

  • Page 404: Frequency-Converting Measurements

    Functioning of Calibration - Tracking generator Frequency-Converting Measurements For frequency-converting measurements (eg on converters) the tracking generator is able to set a constant frequency offset between the output frequency of the tracking generator and the receive frequency of the instrument. Up to an output frequency of 200 MHz the measurement can be carried out in inverted and normal position.

  • Page 405: External Modulation Of Tracking Generator

    Tracking generator - External modulation External Modulation of Tracking Generator SYSTEM MODE-TRACKING GENERATOR menu: The MODULATION softkey opens a submenu for MODULATION selecting the different modulation types. MODULATION EXT AM The time characteristic of the output signal of the tracking generator can be varied by applying external signals (input EXT ALC voltage range -1 V to +1 V).
  • Page 406 External Modulation - Tracking generator The EXT AM softkey activates AM modulation of the tracking generator output signal. EXT AM The modulation signal is connected to the TG-INPUT AM connector. The maximum possible modulation depth is 80% which corresponds to an input voltage of 0.8 V.
  • Page 407 Tracking generator - External modulation The EXT I/Q softkey is only offered with I/Q modulator option built-in. It activates external I/Q modulation of the tracking generator (FSE-B9 and EXT I/Q FSE B-11). The modulation signals are connected to the two input connectors TG- INPUT IN and TG-INPUT Q at the rear of the unit.

  • Page 408: Option Fse-B3 −Tv Demodulator

    Option TV Demodulator Option FSE-B3 −TV Demodulator With the Option TV Demodulator FSE-B3, the FSE permits to demodulate TV signals and synchronize the trigger signal with the TV signal. The demodulated TV signal is available at the rear panel of the FSE as CCVS signal for operation of a TV monitor.
  • Page 409 TV Demodulator The soft keys VIDEO POL NEGATIVE and VIDEO POL POSITIVE determine VIDEO POL NEGATIVE the polarity of the video signal. The two softkeys are selector switches. Positive video polarity is to be selected e.g. for standard L signals, negative video polarity for signals according to the standards B/G/I/M (color standard VIDEO POL PAL or NTSC).

  • Page 410: Triggering On Tv Signals

    Option TV Demodulator Triggering on TV Signals If the Option TV Demodulator is installed, the trigger menu is supplemented by the TV trigger (softkey TV) and the settings for the trigger condition (TV TRIGGER SETTING). Menu: SWEEP TRIGGER TV TRIGGER TRIGGER SETTINGS SWEEP...
  • Page 411 TV Demodulator The softkey VERT SYNC sets the trigger to the vertical sync signal. It is VERT SYNC possible to trigger on the frame repetition without a differentiation being made between the two fields. IEC/IEEE bus command :TRIGger<1|2>[:SEQuence]:VIDeo:FIELd:SELect ALL The softkeys VERT SYNC ODD FIELD or VERT SYNC EVEN FIELD set the VERT SYNC ODD FIELD trigger to the vertical sync signal of the first or second field.
  • Page 412 www.valuetronics.com...
  • Page 413 Index 10 Index Note: The softkeys are listed alphabetically under the keyword "Softkey". For each softkey, the page in chapter 6 containing the description of the corresponding remote command is quoted in addition. The assignment between IEEE-bus commands and softkeys is described in Chapter 6, Section "Table of Softkeys with IEC/IEEE-Bus Command Assignment".
  • Page 414 Index Enhancement labels............3.6 Entry D Lines ............... 4.144 abortion..............3.16 Data set alphanumeric parameters........3.17 creation ..............4.75 mouse control ............3.22 partial ..............4.73 numeric parameter ..........3.16 recall ..............4.75 table................3.18 save ............... 4.70 termination ..............3.16 Date................4.45 window..............3.15 dB*/MHz ............... 4.97 Error messages...............9.1 dBµA/MHz ..............
  • Page 415 Index output device ............4.60 LOCAL ..............4.49 position..............4.56 MENU ..............3.12 printer ..............4.58 MKR..............4.141 settings..............4.54 MODE ..............4.18 start ..............4.50, 4.52 NORMAL ..............4.105 Hardware numeric keypad............3.13 configuration............4.14 PRESET ............4.2, 6.231 indication of settings..........3.5 RANGE ..............4.98 installed options............4.14 RECALL..............4.75 Header................
  • Page 416 Index FTP..............1.55, 1.85 MICROSOFT NET ......... 1.49, 1.80 Macro NOVELL NETWARE ......1.49, 1.78, 1.81 abort ............... 4.49 TCP/IP ............1.54, 1.85 definition..............4.82 Network printer connection..........1.34 start ................ 4.80 Noise power density measurement ......4.112 Maintenance ..............8.1 Noise source, external...........4.32 Manual operation ............
  • Page 417 Index channel..............4.118 channel configuration ........... 4.113 Sample detector ............4.164 signal/noise ............4.120 Save PPE (parallel poll enable register)......... 5.22 configuration ............4.66 Preset ................4.2 data set ..............4.70 Pre-trigger..............4.190 limit line..............4.155 Printer connection........1.28, 1.66, 8.22 measurement ............4.66 Printing SCPI abort ...............
  • Page 418 Index CAL LO SUPP..........4.10, 6.64 DISPLAY COMMENT ........4.7, 6.94 CAL LOG............4.10, 6.64 DISPLAY LINE 1/2........4.145, 6.15 CAL REFL OPEN ........4.200, 6.172 EDIT ACP LIMITS...... 4.117, 6.33, 6.34, 6.35 CAL REFL SHORT........4.200, 6.172 EDIT COMMENT ......... 4.71, 6.142 CAL RES BW ..........4.10, 6.63 EDIT LIMIT LINE..........
  • Page 419 Index LOWER LEFT ..........4.56, 6.124 REF POINT LEVEL........4.130, 6.13 LOWER RIGHT ..........4.56, 6.124 REF POINT LVL OFFSET ......4.130, 6.13 MACRO 1 to 7 ............4.81 REF POINT TIME ........4.130, 6.13 MACRO TITLE ............4.83 REF VALUE..........4.198, 6.97 MAIN PLL BANDWIDTH ......4.175, 6.170 REF VALUE POSITION .......
  • Page 420 Index SWEEP TIME MANUAL ......4.173, 6.207 ENABle part ............5.19 SYSTEM MESSAGES .........4.16, 6.230 ESE ................5.22 T1-REF..........4.165, 4.166, 6.61 ESR ................5.22 T1-T2+REF ........4.165, 4.166, 6.61 EVENt part..............5.19 T1-T3+REF ........4.165, 4.166, 6.61 NTRansition part .............5.19 THRESHOLD LINE ........4.145, 6.16 overview..............5.20 TIME ..........4.39, 4.45, 6.231 PPE ................5.22 TIME LINE 1/2..........4.146, 6.17 PTRansition part .............5.19...
  • Page 421 Index Trigger delay ..............4.179 external ..............4.179 free run..............4.178 gap sweep............4.190 line ............... 4.178 pre-trigger............. 4.190 RF power.............. 4.179 slope ..............4.179 video ..............4.178 TV demodulator ............4.206 TV-Trigger ..............4.208 UNCAL ................3.4 Units ................4.96 Universal command ............

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