Table of Contents

Advertisement

Quick Links

A l l t e s t I n s t r u me n t s , I n c .
5 0 0 C e n t r a l A v e .
F a r mi n g d a l e , N J 0 7 7 2 7
P : ( 7 3 2 ) 9 1 9 - 3 3 3 9
F : ( 7 3 2 ) 9 1 9 - 3 3 3 2
a l l t e s t . n e t
s s a l e s @ a l l t e s t . n e t
T h e t e s t & me a s u r e me n t
e q u i p me n t y o u n e e d a t
t h e p r i c e y o u w a n t .
A l l t e s t c a r r i e s t h e w o r l d ' s l a r g e s t s e l e c t i o n o f
u s e d / r e f u r b i s h e d b e n c h t o p t e s t & me a s u r e me n t
e q u i p me n t a t 5 0 % t h e p r i c e o f n e w .
O O u r e q u i p me n t i s g u a r a n t e e d w o r k i n g , w a r r a n t i e d , a n d
a v a i l a b l e w i t h c e r t i f i e d c a l i b r a t i o n f r o m o u r i n - h o u s e s t a f f
o f t e c h n i c i a n s a n d e n g i n e e r s .
• 1 0 + f u l l t i me t e c h n i c i a n s w i t h o v e r 1 5 0 y e a r s o f
s p e c i a l i z a t i o n
• 9 0 d a y w a r r a n t y & 5 d a y r i g h t o f r e t u r n o n a l l
e q u i p me n t
• • 1 - 3 y e a r w a r r a n t i e s f o r n e w a n d
p r e mi u m- r e f u r b i s h e d e q u i p me n t
• E v e r y u n i t t e s t e d t o O E M s p e c i f i c a t i o n s
• S a t i s f a c t i o n g u a r a n t e e d
Y o u h a v e p l a n s , w e w i l l h e l p y o u a c h i e v e t h e m.
A n y p r o j e c t . A n y b u d g e t .
t
G e t a q u o t e t o d a y !
C C a l l ( 7 3 2 ) 9 1 9 - 3 3 3 9 o r e ma i l s a l e s @a l l t e s t . n e t .

Advertisement

Table of Contents
loading

Summary of Contents for Rohde & Schwarz FS300

  • Page 1 T h e t e s t & me a s u r e me n t e q u i p me n t y o u n e e d a t t h e p r i c e y o u w a n t . A l l t e s t I n s t r u me n t s , I n c .
  • Page 3 Copyright R&S FS300 Copyright Copyright     Copyright 2004 ROHDE & SCHWARZ GmbH & Co. KG Test and Measurement Division Mühldorfstraße 15 81671 München, Germany edition 4/2004 Printed in Germany. Printed on FFC bleached paper. Subject to alterations, Errors excepted.
  • Page 4: Chapter Overview

    R&S FS300 Chapter Overview Chapter Overview Content of the Manual for Spectrum Analyzer R&S FS300 General Data Sheet Safety Instructions Certificate of Quality EC Certificate of Conformity Support Center Address List of Rohde & Schwarz Offices Chapter 1 Introduction Control Elements Chapter 2 Putting the R&S FS300 into Operation...
  • Page 5: Content Of The Manual

    Basic operating procedures and control elements Operation via menus and remote control By way of an introduction, a typical R&S FS300 measurement is described. The operating manual also contains information about maintenance and trou- bleshooting based on the warnings and error messages issued by the instru- ment.
  • Page 6: Table Of Contents

    2.2 Rear View ..........................2-34 Putting the R&S FS300 into Operation............3-35 3.1 Unpacking the R&S FS300 ....................3-35 3.2 Connecting the R&S FS300 to the AC Line ................. 3-35 3.3 Switching On the R&S FS300....................3-36 3.4 Function Test.......................... 3-36 3.5 EMC ............................
  • Page 7: Table Of Contents

    5.5.2.5 SERVICE Menu ................... 5-63 5.5.2.6 INFO Menu ....................5-64 Using the R&S FS300.................. 6-65 6.1 R&S FS300 Factory Settings ....................6-65 6.2 Spectrum Analyzer......................... 6-66 6.2.1 Selecting the Frequency Span (FREQ/SPAN Menu) ........... 6-67 6.2.1.1 Entering the Center Frequency and the Span..........6-68 6.2.1.2...
  • Page 8 R&S FS300 Table of Contents 6.2.1.3 Entering the Step Width of the Center Frequency ........6-70 6.2.1.3.1 Setting the Step Size ................. 6-71 6.2.1.4 Frequency-Axis Display Modes..............6-72 6.2.1.4.1 Displaying the Whole Frequency Range ........... 6-73 6.2.1.4.2 Switching over to the ZERO SPAN ............6-74 6.2.1.4.3...
  • Page 9 Data Sheet R&S FS300 6.2.7.1 Measuring the Power in the Time Domain..........6-133 6.2.7.1.1 Measuring the Power................6-134 6.2.7.2 Measuring the Third-Order Intercept Point ..........6-137 6.3 SYSTEM Functions (SYS Key) .................... 6-138 6.3.1 Instrument Default Setting (Menu PRESET) .............. 6-140 6.3.1.1...
  • Page 10: Data Sheet

    R&S FS300 Data Sheet Data Sheet     For the R&S FS300 a calibration cycle of 1 year is recommended. Note Frequency Frequency range 9 kHz to 3 GHz Reference frequency Aging year 2•10 Temperature drift 1•10 5 to 30° C...
  • Page 11: Amplitude

    Data Sheet R&S FS300 Amplitude Level measurement range > 137 dB Maximum input level 50 MHz - 3 GHz +33 dBm 10 MHz - 50 MHz +26 dBm 9 kHz - 10 MHz +20 dBm Intermodulation-free range 1 MHz to 100 MHz ≤...
  • Page 12: Inputs

    R&S FS300 Data Sheet Markers Marker marker and 1 delta marker Marker functions peak, next peak, marker to center, marker to reference Marker displays normal, delta, noise marker, frequency counter free-running, video, external, Trigger line Inputs RF Input Connector type N female Input impedance 50 Ω...
  • Page 13: Interfaces

    Data Sheet R&S FS300 Interfaces USB Host Connector type “B-Plug” USB protocol version 1.1 Command set instrument specific command set, software driver for Windows (Windows 2000/XP  ) USB Device Connector type “A-Plug” USB protocol version 1.1 Power Supply AC supply...
  • Page 14 R&S FS300 Data Sheet Mechanical resistance Sinus 5 to 150 Hz, max. 2g at 55 Hz, meets DIN EN 60068-2-6, 55 to 150 Hz, 0.5g const. DIN EN 61010-1 and MIL-T-28800D class 5 Random 10 to 500 Hz, 1.9g meets DIN EN 60068-2-64...
  • Page 15: Safety Instructions

    Safety Instructions R&S FS300 Safety Instructions     This unit has been designed and tested in accordance with the EC Certificate Note of Conformity and has left the manufacturer’s plant in a condition fully com- plying with safety standards.
  • Page 16 R&S FS300 Safety Instructions The unit may be used only in the operating conditions and positions specified Safety by the manufacturer. Unless otherwise agreed, the following applies to R&S instructions products: IP degree of protection 2X, pollution severity 2 overvoltage category 2, only for indoor use, altitude max.
  • Page 17 Safety Instructions R&S FS300 Lithium batteries must not be exposed to high temperatures or fire. Keep batteries away from children. If the battery is replaced improperly, there is danger of explosion. Only replace the battery by R&S type (see spare part list).
  • Page 18: Certificate Of Quality

    R&S FS300 Certificate of Quality Certificate of Quality Dear Customer, Certificate of quality You have decided to buy a Rohde & Schwarz product. You are thus assured of receiving a product that is manufactured using the most modern methods available. This product was developed, manufactured and tested in compli- ance with our quality management system standards.
  • Page 19: Ec Certificate Of Conformity

    EC Certificate of Conformity R&S FS300 EC Certificate of Conformity EC Certificate of Conformity Certificate No.: 2002-77 This is to certify that: Equipment type Stock No. Designation FS300 1147.0991.03 Spectrum Analyser complies with the provisions of the Directive of the Council of the Euro- pean Union on the approximation of the laws of the Member States ƒ...
  • Page 20: Support Center Address

    R&S FS300 Support Center Address Support Center Address Support center Support Center address Telephone: +49 (0180) 512 42 42 within EC Fax: +49 (089) 4129-13777 E-mail: CustomerSupport@rsd.rohde-schwarz.com Should you have any technical questions concerning this Rohde & Schwarz Information product, please contact the hotline of Rohde & Schwarz Vertriebs-GmbH, Support Center.
  • Page 21 List of Rohde & Schwarz Offices R&S FS300 List of Rohde & Schwarz Offices HEADQUARTERS Phone E-mail Germany Rohde & Schwarz GmbH & Co. KG +49 (89) 4129-0 Mühldorfstraße 15 · D-81671 München +49 (89) 4129-12164 Postfach 801469 · D-81614 München PLANTS Rohde &...
  • Page 22 R&S FS300 List of Rohde & Schwarz Offices Zweigniederlassung Nord, +49 (40) 63 29 00-0 Geschäftsstelle Hamburg +49 (40) 630 78 70 Steilshooper Alle 47 · D-22309 Hamburg Postfach 60 22 40 · D-22232 Hamburg Zweigniederlassung Mitte, +49 (2203) 807-0 Geschäftsstelle Köln...
  • Page 23: List Of Rohde & Schwarz Offices

    List of Rohde & Schwarz Offices R&S FS300 Brasil ROHDE & SCHWARZ DO BRASIL LTDA. +55 (11) 56 44 86 11 (general) Av. Alfredo Egidio de Souza Aranha, 177, 1° +55 (11) 56 44 86 25 (sales) andar - Santo Amaro +55 (11) 56 44 86 36 04726-170 Sao Paulo –...
  • Page 24 R&S FS300 List of Rohde & Schwarz Offices Cyprus HINIS TELECAST LTD. +357 (24) 42 51 78 Agiou Thoma 18 +357 (24) 42 46 21 Kiti hinis@logos.cy.net Larnaca 7550 Czech Republic ROHDE & SCHWARZ - Praha s.r.o. +420 (2) 24 31 12 32...
  • Page 25 List of Rohde & Schwarz Offices R&S FS300 Germany Zweigniederlassung Büro Bonn +49 (228) 918 90-0 Josef-Wirmer-Straße 1-3 · D-53123 Bonn +49 (228) 25 50 87 Postfach 140264 · D-53057 Bonn info.rsv@rohde-schwarz.com Germany Zweigniederlassung Nord, Geschäftsstelle +49 (40) 63 29 00-0...
  • Page 26 R&S FS300 List of Rohde & Schwarz Offices India ROHDE & SCHWARZ India Pvt. Ltd. +91 (22) 26 30 18 10 RS India Mumbai Office +91 (22) 26 73 20 81 B-603, Remi Bizcourt, Shah Industrial rsindiam@rsnl.net Estate, Off Veera Desai Road Mumbai - 400 058 PT ROHDE &...
  • Page 27 List of Rohde & Schwarz Offices R&S FS300 Kenya Excel Enterprises Ltd +254 (2) 55 80 88 Dunga Road +254 (2) 54 46 79 P.O.Box 42 788 Nairobi Korea ROHDE & SCHWARZ Korea Ltd. +82 (2) 3485 1900 83-29 Nonhyun-Dong, Kangnam-Ku...
  • Page 28 R&S FS300 List of Rohde & Schwarz Offices Netherlands ROHDE & SCHWARZ NEDERLAND B.V. +31 (30) 600 17 00 Perkinsbaan 1 +31 (30) 600 17 99 3439 ND Nieuwegein info@rsn.rohde-schwarz.com New Zealand Nichecom +64 (4) 232 32 33 1 Lincoln Ave.
  • Page 29 List of Rohde & Schwarz Offices R&S FS300 Serbia-Montenegro Representative Office Belgrade +381 (11) 305 50 25 Tose Jovanovica 7 +381 (11) 305 50 24 11030 Beograd Singapore Rohde & Schwarz +65 (6) 846 1872 Regional Headquarters Singapore Pte. Ltd.
  • Page 30 R&S FS300 List of Rohde & Schwarz Offices Thailand Schmidt Electronics (Thailand) Ltd. +66 (2) 643 13 30 to 39 63 Government Housing Bank Bldg. +66 (2) 643 13 40 Tower II, 19th floor, Rama 9 Rd. kamthoninthuyot@schmidtthailand.com Huaykwang, Bangkapi...
  • Page 31 List of Rohde & Schwarz Offices R&S FS300 Venezuela Equilab Telecom C.A. +58 (2) 12 34 46 26 Centro Seguros La Paz +58 (2) 122 39 52 05 Piso 6, Local E-61 r_ramirez@equilabtelecom.com Ava. Francisco de Miranda Boleita, Caracas 1070 Representaciones Bopic S.A.
  • Page 32: Introduction

    TFT colour screen. Remote control The R&S FS300 is equipped as standard with a USB interface so that it can communicate with a PC. All functions and parameters can be set. via PC...
  • Page 33: Supplied Accessories

    If your warranty has expired, we will, of course, repair your R&S FS300 in accordance with our general installation and service conditions. E-1007.9900.14 1-32...
  • Page 34: Control Elements

    R&S FS300 Front View Control Elements Front View ON/STANDBY switch RF IN, RF input connector ON/STANDBY indicator Unit keys SYS key Rotary knob ESC/CANCEL key Numerical keys ENTER key Function keys Cursor keys Screen Cursor keys Operating manual, 4/2004 2-33...
  • Page 35: Rear View

    Rear View R&S FS300 Rear View Input connector for external trigger or AC line switch external gate signal Connector for external monitor Connector for external USB host Connector for external keyboard Output connector for USB device Input for external reference (10 MHz) (e.
  • Page 36: Putting The R&S Fs300 Into Operation

    R&S FS300 was transported and the packaging material (Ê 0- 14). Connecting the R&S FS300 to the AC Line The R&S FS300 meets the requirements for Safety Class I to DIN EN 61010- Caution 1/IEC 61010-1, e. g. all metal parts that can be touched or accessed without removing the enclosure are connected to the protective ground of the power supply network.
  • Page 37: Switching On The R&S Fs300

    Switching On the R&S FS300 R&S FS300 Switching On the R&S FS300 The AC line is still connected to the R&S FS300 when the instrument is in the Hazard standby mode. The R&S FS300 is connected to the AC line via power supply connector [17].
  • Page 38: Emc

    55011 Class B and EN 61326). requirements To prevent EMI, the R&S FS300 may only be operated with its enclosure closed. Only appropriately shielded signal and control cables may be used. External units, such as keyboard, printer or monitor, that are to be connected to the R&S FS300 must comply with EMC directives.
  • Page 39: Connecting An External Keyboard

    Connecting an External Keyboard R&S FS300 Connecting an External Keyboard Only connect the keyboard when the R&S FS300 is off or in the STANDBY Caution mode, otherwise malfunctions may occur at a later date. You can connect an external PC keyboard via the 6-pin PS/2 KEYBOARD connector [21] on the R&S FS300’s rear panel.
  • Page 40: Getting Started

    Level and Frequency Measurements 4.1.1 Measurement Task The input stage of the R&S FS300 can be destroyed by overloads or DC Caution components. If there is a possibility that the limits specified in the data sheet may be violated, the input must be protected with an attenuator and/or a DC block.
  • Page 41: Measurement Procedure

    RF input [8]. The center frequency and the span are set manually. Perform the following steps: Measurement steps Reset the R&S FS300. • Press the key. • Select in the bottom menu bar using the cursor keys.
  • Page 42: Manual Operating Concept

    Chapter 4 contains a brief introduction that takes you step-by-step through some simple measurements. information Chapter 6 contains an in-depth description of the menu functions. Chapter 7 contains note for remote control the R&S FS300 via a USB inter- face. Making Entries from the Keypad Introduction The R&S FS300 is operated using menus in conjunction with a keypad and a...
  • Page 43: Rotary Knob

    Making Entries from the Keypad R&S FS300 5.1.3 Rotary Knob Function As well as the numerical keys and the cursor keys, the rotary knob is also used to set parameters. The rotary knob has several functions: − Incrementing (turn clockwise) or decrementing (turn counter-clockwise) numerical instrument parameters using a specified step size.
  • Page 44: Action Keys

    − This key is for closing the entry field or selection field after data has been entered. The new value is set on the R&S FS300. Note: Pressing a unit key will also terminate the entry of setting data. −...
  • Page 45: Screen Display

    Screen Display R&S FS300 Screen Display The screen [13] provides on-going information about events and the parame- Introduction ters associated with the selected measurement functions. The display mode for the measurement results, the lettering of the function keys and the type of menu all depend on the current settings.
  • Page 46: Diagram Area

    R&S FS300 Screen Display 5.2.1 Diagram Area The diagram area contains: Displays in the diagram area ƒ Measurement diagrams and the associated scales (h) and traces (e) ƒ Measured value displays, e. g. display line (d) and markers (c) ƒ...
  • Page 47: Function Area

    Screen Display R&S FS300 5.2.3 Function Area When a menu is selected, the associated instrument functions are displayed Displaying the in the function area. current assignment for the function keys The displayed instrument functions are assigned to the seven function keys down the right-hand side of the screen.
  • Page 48: Calling And Changing Menus

    R&S FS300 Calling and Changing Menus Calling and Changing Menus Operating the R&S FS300 is menu-guided. All the menus used to set the Introduction measurement parameters and measurement functions are displayed in the menu area. The instrument functions associated with any menu you select are displayed in the function area.
  • Page 49 Calling and Changing Menus R&S FS300 Calling/quitting Press the function key in the menu. submenus The MARKER 1 submenu opens and the new functions are assigned to the function keys [12]. Press the function key in the submenu. The submenu is closed and the previous functions remain assigned to the function keys [12].
  • Page 50: Setting Parameters

    R&S FS300 Setting Parameters Setting Parameters Parameters can be set in a number of ways: There is a choice of methods ƒ Direct selection of an instrument function (function key) ƒ Selecting settings from selection fields ƒ Entering numerical parameters in entry fields...
  • Page 51: Selecting Settings

    Setting Parameters R&S FS300 5.4.2 Selecting Settings When you select a menu, a number of instrument functions are displayed in Introduction the function area. If certain function keys are then pressed, a selection field is displayed in the diagram area. You can then choose and activate any of the settings offered for selection.
  • Page 52: Entering Numerical Parameters

    R&S FS300 Setting Parameters 5.4.3 Entering Numerical Parameters When you select a menu, a number of instrument functions will be displayed Introduction in the function area. If you press certain function keys, an entry field will be displayed in the diagram area.
  • Page 53 3c. Press the ESC/CANCEL key [4] to abort the entry. Ö The old value is retained. The entry window is closed. Invalid If an invalid parameter is entered, the new value is rejected by the R&S FS300 and an error message is issued: parameter entry •...
  • Page 54: Entry Using The Cursor Keys And The Rotary Knob

    R&S FS300 Setting Parameters 5.4.3.2 Entry using the Cursor Keys and the Rotary Knob e. g. : Press the function key in the menu. Setting the span (Ê Ê Ê Ê 6-68) An entry field containing the current setting is displayed.
  • Page 55 4b. Press the ENTER key [5] to terminate the entry. Ö The R&S FS300 sets the value that has been set numerically but with the old unit. The entry window is closed. Note: If a parameter is unitless or always has the same unit, you can terminate the entry with the ENTER key or one of the unit keys.
  • Page 56: Overview Of All Menus And Functions

    R&S FS300 Overview of all Menus and Functions Overview of all Menus and Functions 5.5.1 Spectrum Analyzer 5.5.1.1 FREQ/SPAN Menu Function key assignment Entering the center frequency (Ê 6-68) Entering the span (Ê 6-68) Entering the start frequency (Ê 6-69) Entering the stop frequency (Ê...
  • Page 57: Ampt Menu

    Overview of all Menus and Functions R&S FS300 5.5.1.2 AMPT Menu Function key assignment Entering the reference level (Ê 6-79) Entering a level offset (Ê 6-80) Selecting the level display range (Ê 6-81) Selecting a unit for the level display (Ê...
  • Page 58: Mkr Menu

    R&S FS300 Overview of all Menus and Functions 5.5.1.3 MKR Menu Function key assignment Open submenu: Activate marker 1 Quitting the submenu Place marker 1 on the trace maximum (Ê 6-89) Place marker 1 on the next trace maximum to the left (Ê...
  • Page 59 Overview of all Menus and Functions R&S FS300 Open submenu: Reference points for measuring level differences Quitting the submenu Activating the entry of arbitrary reference points (Ê 6-105) Using M1 marker values as a reference point (Ê 6-105) Entering the reference-point level (Ê...
  • Page 60: Bw/Sweep Menu

    R&S FS300 Overview of all Menus and Functions 5.5.1.4 BW/SWEEP Menu Function key assignment Setting the resolution bandwidth manually (Ê 6-109) Activating automatic resolution bandwidth setting (Ê 6-109) Setting the video bandwidth manually (Ê 6-110) Activating automatic video bandwidth setting (Ê...
  • Page 61: Trace Menu

    Overview of all Menus and Functions R&S FS300 5.5.1.5 TRACE Menu Function key assignment Open submenu: Selecting the active trace Quitting the submenu Turning on and activating Trace 1 (Ê 6-118) Turning on and activating Trace 2 (Ê 6-118) Trace display mode: Overwrite mode (Ê...
  • Page 62: Trig Menu

    R&S FS300 Overview of all Menus and Functions 5.5.1.6 TRIG Menu Function key assignment Free-running measurements (Ê 6-127) Open submenu: Triggering by an external TTL signal Quitting the submenu Triggering on positive-going edge (Ê 6-130) Triggering on negative-going edge (Ê 6-130) Triggering by the display level (Ê...
  • Page 63: Meas Menu

    Overview of all Menus and Functions R&S FS300 5.5.1.7 MEAS Menu Function key assignment Open submenu: Measure the power in the time domain (ZERO SPAN) Quitting the submenu Output the peak value within the section (Ê 6-134) Output the mean value within the section (Ê...
  • Page 64: System Functions

    R&S FS300 Overview of all Menus and Functions 5.5.2 SYSTEM Functions 5.5.2.1 PRESET Menu Function key assignment Calls an instrument default setting (Ê 6-141) Selects an instrument default setting (Ê 6-141) 5.5.2.2 STATUS Menu Function key assignment Displaying the current instrument setting (Ê...
  • Page 65: Info Menu

    Overview of all Menus and Functions R&S FS300 5.5.2.6 INFO Menu Function key assignment Displays module data (Ê 6-161) Displays instrument statistics (Ê 6-161) Displays system messages (Ê 6-162) E-1007.9900.14 5-64 Operating manual, 4/2004...
  • Page 66: Using The R&S Fs300

    The index at the end of this manual will also help you find the information you want. R&S FS300 Factory Settings When you switch on the R&S FS300 (Ê 3-36), the settings you were using Switching on for the when the instrument was last switched off are restored.
  • Page 67: Spectrum Analyzer

    The time characteristic of the amplitude at the set frequency is displayed in zero span. When the R&S FS300 is switched on and the selftest passed, the spectrum User interface analyzer’s user interface is activated. The following is displayed on the...
  • Page 68: Selecting The Frequency Span (Freq/Span Menu)

    R&S FS300 Spectrum Analyzer 6.2.1 Selecting the Frequency Span (FREQ/SPAN Menu) Use the FREQ/SPAN menu to specify the frequency range. What the settings are for Selecting the • Select the menu using the cursor key [6]. FREQ/SPAN The menu name is highlighted and the appropriate functions are as- menu signed to the function keys.
  • Page 69: Entering The Center Frequency And The Span

    Spectrum Analyzer R&S FS300 6.2.1.1 Entering the Center Frequency and the Span If you know the frequency of the signal you want to measure, you can set the x axis of the diagram area accordingly. Enter the signal frequency as the center frequency (CENTER) and specify a SPAN.
  • Page 70: Entering The Start Frequency And The Stop Frequency

    R&S FS300 Spectrum Analyzer 6.2.1.2 Entering the Start Frequency and the Stop Frequency If you want to analyze a specific frequency range, you can enter a start fre- quency and a stop frequency. The frequency range is shown along the x axis of the diagram area.
  • Page 71: Entering The Step Width Of The Center Frequency

    What the settings Using the CF STEP SIZE submenu, you can set any step size of the rotary knob you want or have the R&S FS300 set a step size that is a function of the are for measurement parameters.
  • Page 72: Setting The Step Size

    R&S FS300 Spectrum Analyzer 6.2.1.3.1 Setting the Step Size Setting the step size If you want to examine the frequency spectrum at certain intervals, you can enter the value of your choice for the step size of the rotary knob.
  • Page 73: Frequency-Axis Display Modes

    Spectrum Analyzer R&S FS300 6.2.1.4 Frequency-Axis Display Modes What the settings The frequency axis (x axis) can be displayed in a number of ways. Using the SPAN SETTINGS submenu, you can display the whole frequency range, are for zoom in on subranges of the frequency axis or project the diagram area onto the whole of the screen, if and when you require.
  • Page 74: Displaying The Whole Frequency Range

    If you do not know the frequency of the signal to be investigated, you can dis- play the R&S FS300’s whole frequency range along the x axis of the diagram area. You can then systematically reduce the span to the appropriate size (Ê...
  • Page 75: Switching Over To The Zero Span

    Spectrum Analyzer R&S FS300 6.2.1.4.2 Switching over to the ZERO SPAN The amplitude of a particular signal component in the frequency spectrum can be displayed as a function of time. To activate this mode, enter the frequency of the signal component as the center frequency. You can then define the x axis to be the time axis.
  • Page 76: Zoom Functions

    R&S FS300 Spectrum Analyzer 6.2.1.4.3 ZOOM Functions If you want to increase or decrease the size of the screen window to analyze traces, you can zoom onto sections of the span or fill the whole screen with the current screen window.
  • Page 77 6.2.1.5 Signal Tracking What the settings When signal tracking is selected, the center frequency of the R&S FS300 is continually set to the frequency of the signal with most power. This means that are for a signal whose frequency is changing slowly in comparison with the sweep time can be kept in the center of the screen.
  • Page 78: Activating Signal Tracking

    R&S FS300 Spectrum Analyzer 6.2.1.5.1 Activating Signal Tracking If the frequency of the signal being analyzed is continually varying, you can use this function to obtain a display that appears to be stationary. The power of signals of this kind can then be measured over long periods.
  • Page 79: Setting The Level Axis And The Rf Input (Ampt Menu)

    Spectrum Analyzer R&S FS300 6.2.2 Setting the Level Axis and the RF Input (AMPT Menu) From the AMPT menu, you can define the y axis of the measurement diagram What the settings as the level axis. You can also specify the attenuation of the RF input.
  • Page 80: Entering The Reference Level

    R&S FS300 Spectrum Analyzer 6.2.2.1 Entering the Reference Level The upper diagram limit is specified with the reference level. REF LEVEL     The currently activated unit is used as the unit for reference level entries (Ê 6- Note 82).
  • Page 81: Entering A Level Offset

    Spectrum Analyzer R&S FS300 6.2.2.2 Entering a Level Offset If you have connected external attenuators or amplifiers between the DUT and the RF input, you can enter a level offset to adjust the level display. The level offset is added to the reference level.
  • Page 82: Selecting The Level Display Range

    R&S FS300 Spectrum Analyzer 6.2.2.3 Selecting the Level Display Range Use the level display range to define the “visible” level range and set the measurement diagram scale. RANGE Levels can be displayed using either logarithmic or linear scales. The lettering of the grid lines is automatically adapted.
  • Page 83: Selecting The Level Display Unit

    Spectrum Analyzer R&S FS300     The level display range uses the currently activated unit (Ê 6-82). Note 6.2.2.4 Selecting the Level Display Unit To make it easier to analyze results, you can display levels in dBm, dBmV, dBµV, mV and mW.
  • Page 84 R&S FS300 Spectrum Analyzer Log display/RANGE in xV or xW (The letter x is a wildcard character for the letters m, mV or µV.) If a mV or mW has been selected for UNIT, only the reference level is dis- played in the selected unit.
  • Page 85 Spectrum Analyzer R&S FS300 6.2.2.5 Setting the RF Input Attenuation Manually In the default setting, the input attenuation is coupled to the reference level. In most cases, this is the setting that will be used because it prevents the input stages from being overdriven and so, consequently, any incorrect measure- ments.
  • Page 86: Setting The Rf Input Attenuation Automatically

    6.2.2.6 Setting the RF Input Attenuation Automatically The input attenuation should be set automatically to prevent the R&S FS300’s input mixer from being overloaded. There are three RF input modes you can choose from (coupling between reference level and input attenuation) to opti- mize measurements: ƒ...
  • Page 87 Spectrum Analyzer R&S FS300 Activating the auto- Press the function key in the menu. matic input attenuation A selection field containing the available settings is displayed. The default setting is NORMAL. setting mode Using the rotary knob [10] select a criterion for autosetting the input at- tenuation.
  • Page 88: Signal Analysis Using Marker Functions (Mrk Menu)

    R&S FS300 Spectrum Analyzer 6.2.3 Signal Analysis using Marker Functions (MRK Menu) Using the MRK menu, you can position markers on any point on the trace to What the settings read off any levels or level differences of interest. The measured values indi- are for cated by the markers (marker values) are displayed in the parameter field (Ê...
  • Page 89: Activating Marker 1

    Spectrum Analyzer R&S FS300 6.2.3.1 Activating Marker 1 What the settings From the MARKER 1 submenu, you can activate a marker and position it on the trace. All the current level and frequency values (marker values) are dis- are for played.
  • Page 90: Reading Off Measured Values With Marker 1

    R&S FS300 Spectrum Analyzer 6.2.3.1.1 Reading off Measured Values with Marker 1 You can position marker 1 on the trace to read off specific levels and frequen- cies (marker values). Activating marker 1 Press the function key in the submenu.
  • Page 91 Spectrum Analyzer R&S FS300 Scrolling Change the marker position with rotary knob [10]. marker 1 The current M1 marker values are displayed in the parameter field. De-activating • Press the function key in the submenu. marker 1 Marker 1 (and marker 2, if activated) disappears from the diagram area and the M1 (M2) marker values are blanked out.
  • Page 92: Frequency Measurements Using The Frequency Counter

    R&S FS300 Spectrum Analyzer 6.2.3.1.2 Frequency Measurements using the Frequency Counter The normal marker indicates the frequency represented by the pixel on which it is placed. The measurement uncertainty is relatively large because the number of pixels is limited to 250.
  • Page 93: Activating Marker 2

    Marker 2 can be used either as a normal marker (NORM) or as a delta marker (DELTA). The delta marker function expands the R&S FS300’s analy- sis capability and can be used as a basis for a variety of measurement tech- niques (Ê...
  • Page 94: Reading Off Measured Values With Marker 2

    R&S FS300 Spectrum Analyzer 6.2.3.2.1 Reading off Measured Values with Marker 2 To read off specific levels, you can activate marker 2 as a normal marker (in addition to marker 1) and position it on the trace. The current level and fre- quency can be displayed in this way (M2 marker values).
  • Page 95: Reading Off Level Differences

    Spectrum Analyzer R&S FS300 6.2.3.2.2 Reading off Level Differences You can define marker 2 as a delta marker to read off level differences from the trace. The level difference between marker 2 and a reference point is displayed. Marker 1 (Ê 6-88) or reference values that have been set manually (Ê...
  • Page 96: Accepting Marker Values As Settings

    R&S FS300 Spectrum Analyzer 6.2.3.3 Accepting Marker Values as Settings What the settings From the MKR> submenu, you can accept the marker values of the active marker as settings for level, frequency or frequency steps. are for The step size used to enter the center frequency with the help of the rotary knob can also be the marker frequency.
  • Page 97: Moving Trace Sections In The Measurement Diagram

    Spectrum Analyzer R&S FS300 6.2.3.3.1 Moving Trace Sections in the Measurement Diagram If you want to analyze a section of the trace more closely, you can change ist location within the measurement diagram using the active marker. The marker frequency becomes the center frequency and the marker level be- comes the upper diagram boundary.
  • Page 98 R&S FS300 Spectrum Analyzer     Note In the time-domain mode (ZERO SPAN), the function key is not avail- able. Setting the Press the function key in the submenu. reference level to the marker level The current marker level is set as the reference level (Ê 6-79). The trace is shifted vertically until the marker level forms the upper limit of the measurement diagram.
  • Page 99: Setting The Step Size To The Marker Frequency

    Spectrum Analyzer R&S FS300 6.2.3.3.2 Setting the Step Size to the Marker Frequency If you set the step size to the marker frequency, you will find that you can quickly jump back to the start frequency when you are stepping through the frequency spectrum with the help of the rotary knob.
  • Page 100: Marker Measurement Functions

    R&S FS300 Spectrum Analyzer 6.2.3.4 Marker Measurement Functions What the settings From the MKR FCTN submenu, using the markers, you can select certain spectral components of the input signal to measure the noise power density are for and the signal bandwidth.
  • Page 101: Measuring The Noise Power Density

    Spectrum Analyzer R&S FS300 6.2.3.4.1 Measuring the Noise Power Density The R&S FS300 allows you to measure the noise power density at the active marker position. Measuring noise Turn on the markers (Ê 6-88, 6-92). power density Position the activated marker (Ê 6-89, 6-93) as desired.
  • Page 102: Measuring The Filter Or Signal Bandwidth

    R&S FS300 Spectrum Analyzer 6.2.3.4.2 Measuring the Filter or Signal Bandwidth If you want to measure the bandwidth of a certain signal spectrum shown in the measurement diagram, you can do this with the N dB DOWN function. Two lines one of which is n dB down on the active reference marker are dis- played on the screen [13].
  • Page 103 Spectrum Analyzer R&S FS300 Terminating the • Press the function key in the submenu. measurement The signal or filter bandwidth measurement is terminated and the tempo- rary markers T1 and T2 disappear from the screen. The M2 marker val- ues are again displayed in the parameter field.
  • Page 104 R&S FS300 Spectrum Analyzer 6.2.3.5 Activating a Display Line If you want to observe whether a signal exceeds or falls below a certain level you can activate a horizontal display line in the measurement diagram and adjust its position. Activating the...
  • Page 105: Setting Reference Points For Level-Difference Measurements

    What the settings From the REF FIXED submenu, you can define any reference point within the R&S FS300’s measurement range. You can use this point as a fixed refer- are for ence for level-difference measurements using the delta marker (Ê 6-94).
  • Page 106: Manual Entry Of Reference Points

    R&S FS300 Spectrum Analyzer 6.2.3.6.1 Manual Entry of Reference Points There are two methods you can use to find level differences from the trace. The first method is to define a reference point on the trace using marker 1 (Ê...
  • Page 107 Spectrum Analyzer R&S FS300 4a) Frequency-domain display mode (SPAN > 0, Ê 6-67) : Entering a reference point frequency • Press the function key in the submenu. An entry field containing the current setting (frozen marker frequency)is displayed. • Enter a new value (Ê 5-51).
  • Page 108 R&S FS300 Spectrum Analyzer Activating M1 • Press the function key in the submenu. marker values as reference points The reference values (R) disappear from the screen and the M1 marker values are again activated. Marker 1 is positioned on the last reference point frequency on the trace and can again be moved, e.
  • Page 109: Setting The Bandwidths And The Sweep Time (Bw/Sweep Menu)

    Spectrum Analyzer R&S FS300 6.2.4 Setting the Bandwidths and the Sweep Time (BW/SWEEP Menu) You can set the resolution bandwidth (RBW), the video bandwidth (VBW) and What the settings the sweep time using the BW/SWEEP menu. are for The parameters determine the measurement procedure and can be coupled as a function of the SPAN or set independently.
  • Page 110 To make certain measurements, it may be necessary to set the resolution bandwidth and the span independ- ently. With the R&S FS300, you can manually set resolution bandwidths from 200 Hz to 1 MHz in a 1, 2, 3, 5,10 sequence.
  • Page 111 . automatic video bandwidth The R&S FS300’s video bandwidth is set to three times the resolution bandwidth. If the resolution bandwidth is changed, the video bandwidth is setting adjusted automatically. Within the permissible setting range, the video bandwidth is set to the value that is closest to three times the value of the resolution bandwidth.
  • Page 112: Rbw/Vbw Coupling Ratio

    R&S FS300 Spectrum Analyzer 6.2.4.3 RBW/VBW Coupling Ratio What the settings You can set the coupling ratio between the video bandwidth and the resolution bandwidth using the COUPLING RATIO submenu. are for Selecting the • Press the function key in the menu .
  • Page 113: Changing The Coupling Ratio

    Activating the • Press the function key in the submenu . default setting for the coupling ratio The R&S FS300‘s video bandwidth is set to three times the resolution bandwidth. E-1007.9900.14 6-112 Operating manual, 4/2004...
  • Page 114: Setting The Sweep

    R&S FS300 Spectrum Analyzer 6.2.4.4 Setting the Sweep What the settings You can select the type of sweep and the sweep time from the SWEEP sub- menu. are for Selecting the • Press the function key in the menu .
  • Page 115: Selecting The Frequency Sweep

    Spectrum Analyzer R&S FS300 6.2.4.4.1 Selecting the Frequency Sweep Frequency sweep is the process where the resolution filter covers a defined frequency range. Sweeps may be performed continuously (CONT SWEEP) or once (SIN- GLE SWEEP). Starting a • Press the function key in the submenu .
  • Page 116: Setting The Sweep Time

    (VBW). The sweep time is automatically ad- justed if either the span, the RBW or the VBW are changed. The R&S FS300 always selects the shortest possible sweep time con- sistent with valid results. The maximum level error trade-off for a longer sweep time is <...
  • Page 117: Measured-Value Display (Trace Menu)

    Spectrum Analyzer R&S FS300 6.2.5 Measured-Value Display (TRACE Menu) Using the TRACE menu, you can apply various display modes to the input- What the settings signal results. Two traces (Trace 1, Trace 2) are provided for this purpose. are for Selecting the TRACE •...
  • Page 118: Selecting The Active Trace

    R&S FS300 Spectrum Analyzer 6.2.5.1 Selecting the Active Trace What the settings Via the SELECT TRACE submenu, you can activate a second trace and se- lect the current trace (Trace 1, Trace 2) to which all the following settings will are for be applied.
  • Page 119: Activating Traces

    The current display mode, e. g. displayed in the top left of the diagram area in the trace colour: When the R&S FS300 is turned on, Trace 2 is turned off. When the trace is Turning on called for the first time, the CLEAR/WRITE display mode is set.
  • Page 120 R&S FS300 Spectrum Analyzer Turning off Press the function key in the submenu . Trace 2 Trace 2 is now active. Press the function key in the menu . Trace 2 is blanked out. Press the function key in the submenu .
  • Page 121 After a measurement has been performed, the trace can be frozen ( VIEW ) or blanked out ( BLANK ). Displaying When the R&S FS300 is switched on, Trace 1 is active and is displayed in the CLEAR/WRITE display mode. current measured values •...
  • Page 122 The MAX function is activated. This means that, after every sweep, the R&S FS300 only transfers the new measured value to the measured value memory if it is greater than the previous value. The current display mode MAX is displayed in the top left of the diagram area.
  • Page 123 Spectrum Analyzer R&S FS300 Press ENTER key [5] to close the entry field. The new setting is saved. Averaging is started and the result is displayed. The current display mode AVG is shown in the top left of the diagram area.
  • Page 124 R&S FS300 Spectrum Analyzer 6.2.5.3 Trace Difference Function     Note function key is available only if both traces are turned on (Ê 6- 117). What the settings You can activate the difference function for two traces (Trace 1, Trace 2) from the MATH submenu and use this function to analyze the input signal.
  • Page 125: Activating The Trace Difference Function

    6.2.5.3.1 Activating the Trace Difference Function You can use the R&S FS300’s MATH function to directly determine differ- ences between signals by forming the difference of two traces. The new ref- erence for the difference trace is in the center of the measurement diagram (50 %).
  • Page 126 R&S FS300 Spectrum Analyzer Repositioning Press the function key in the submenu. Trace 1 (result) A reference line is displayed in the middle of the current diagram area. The text “SCROLL or press ENTER” is displayed to tell you that the trace can be moved up or down.
  • Page 127: Triggering Measurements (Trig Menu)

    Spectrum Analyzer R&S FS300 6.2.6 Triggering Measurements (TRIG Menu) From the TRIG menu, you can select a variety of trigger sources. You can set What the settings the trigger edge and the measurement time for external trigger signals (TTL). are for Selecting the •...
  • Page 128: Internal Trigger Sources

    R&S FS300 Spectrum Analyzer 6.2.6.1 Internal Trigger Sources Depending on the measurement, you can use a variety of criteria for triggering measurements in the frequency domain (SPAN > 0) or in the time domain (ZERO SPAN). ƒ Free-running triggering ƒ...
  • Page 129 Spectrum Analyzer R&S FS300 This makes it possible to perform synchronized measurements on video sig- Triggering by nals, for example, which can even be triggered using the frequency of the AC the AC line line. frequency • Press the function key in the menu.
  • Page 130: External Trigger Sources

    R&S FS300 Spectrum Analyzer 6.2.6.2 External Trigger Sources What the settings From the EXTERNAL submenu, you can activate an external TTL signal and specify the trigger edge for triggering measurements. are for Selecting the • Press the function key in the menu.
  • Page 131: Setting The Trigger Edge For External Ttl Signals

    Setting the Trigger Edge for External TTL Signals For certain measurements, you can use an external TTL signal (squarewave signal) as a trigger. The trigger period is user-selectable. The R&S FS300 allows you to set triggering on a rising or on a falling edge of the squarewave.
  • Page 132: Setting A Trigger Offset

    R&S FS300 Spectrum Analyzer 6.2.6.3 Setting a Trigger Offset If the time difference between the signal to be measured and the trigger event is too great (t > t ), you can enter a time (trigger offset) by which the trigger Sweep point will be advanced or delayed.
  • Page 133: Measurement Functions (Meas Menu)

    Spectrum Analyzer R&S FS300 6.2.7 Measurement Functions (MEAS Menu) From the MEAS menu, you can measure the power in the time domain What the settings (ZERO SPAN) as well as the third-order intercept point. are for Selecting the • Select the menu with the cursor key [6].
  • Page 134: Measuring The Power In The Time Domain

    R&S FS300 Spectrum Analyzer 6.2.7.1 Measuring the Power in the Time Domain What the settings From the TIME DOMAIN PWR submenu, you can determine the trace section for which the power measurement is to be performed. You can measure ei- are for ther the mean power (MEAN) or the peak power (PEAK).
  • Page 135: Measuring The Power

    Since both phases are measured sepa- rately, you can determine the S/N power ratio of a TDMA signal, for example. Switch the R&S FS300 to the time domain mode (ZERO SPAN, Ê 6-74). Activating the time domain mode E-1007.9900.14...
  • Page 136 R&S FS300 Spectrum Analyzer Activating the Press the function key in the submenu. measurement The maximum power is measured within the limit lines T1 and T2 and displayed in the parameter field (PEAK:). In the default setting, these are the left (T1) and the right (T2) limit lines of the measurement diagram.
  • Page 137 Spectrum Analyzer R&S FS300 Changing the Press the function key in the submenu. measurement range (limit lines) A limit line is inserted at the left side of the diagram. The "SCROLL or press ENTER" display shows you that the limit lines can be scrolled to the left or to the right.
  • Page 138: Measuring The Third-Order Intercept Point

    IP3 = a /2 + P When the TOI function is set and the markers are set to the input signals, the R&S FS300 automatically measures the intermodulation products and dis- plays the value calculated for the intercept point. Setting the Set markers 1 and 2 to the two input signals (Ê...
  • Page 139: System Functions (Sys Key)

    All current settings can be called so that they can be viewed at a glance, and saved for use at a later date, a selftest can be run on the R&S FS300 and the system settings configured. Furthermore, the R&S FS300 switched over from remote control to local mode.
  • Page 140 R&S FS300 SYSTEM Functions (SYS Key) Menus for system and service functions Selects and calls the instrument‘s default setting (Ê 6-140 ) Displays the current instrument settings (Ê 6-142) Saves and loads user-defined settings (Ê 6-143) System settings (Ê 6-150) Service functions (Ê...
  • Page 141: Instrument Default Setting (Menu Preset)

    SYSTEM Functions (SYS Key) R&S FS300 6.3.1 Instrument Default Setting (Menu PRESET) From the PRESET menu, you can specify a user-defined instrument setting What the settings as the instrument default setting and directly call it. are for Selecting the Press the SYS key [3].
  • Page 142: Selecting And Calling The Instrument Default Setting

    6.3.1.1 Selecting and Calling the Instrument Default Setting When you switch on the R&S FS300, those settings that were valid when the R&S FS300 was last switched off are restored. The R&S FS300 also lets you save and call user-defined instrument settings.
  • Page 143: Displaying The Current Instrument Setting (Status Menu)

    SYSTEM Functions (SYS Key) R&S FS300 6.3.2 Displaying the Current Instrument Setting (STATUS Menu) From the STATUS menu, you can display an overview of the principal current What the settings instrument settings. are for Selecting the Press the SYS key [3].
  • Page 144: User-Defined Settings (File Menu)

    R&S FS300 SYSTEM Functions (SYS Key) 6.3.3 User-Defined Settings (FILE Menu) You can save user-defined settings and load them when required from the What the settings FILE menu. You can also print out a screenshot. are for Selecting the Press the SYS key [3].
  • Page 145: Saving And Loading User-Defined Settings

    R&S FS300 6.3.3.1 Saving and Loading User-Defined Settings When you switch on the R&S FS300, those settings that were valid when the R&S FS300 was last switched off are restored. The R&S FS300 also lets you save and load user-defined settings.
  • Page 146 R&S FS300 SYSTEM Functions (SYS Key) Loading user- Press the function key in the menu . defined settings A table containing the available settings is displayed (memory locations). Select a setting with the cursor key [7]. The FACTORY memory location contains the factory setting (Ê 6-65).
  • Page 147: Printing Out A Screenshot

    6.3.3.2 Printing out a Screenshot The R&S FS300 prints out (printer) or saves (USB stick) a current screenshot when you press the SYS key and an overview of the principal current instru- ment settings. A printer with a USB device connector or a USB stick is re- quired.
  • Page 148 R&S FS300 SYSTEM Functions (SYS Key) Printing out a Connect a printer to the USB device connector [16]. screenshot Select a printer for the output unit (Ê 6-146). Press the function key in the menu . A table containing the available parameters is displayed.
  • Page 149 SYSTEM Functions (SYS Key) R&S FS300 Saving the screen- Connect the USB stick to the USB device connector [16]. shot as a bitmap Select the USB stick for the output unit (Ê 6-146). (.bmp) in the USB stick Press the function key in the menu .
  • Page 150 R&S FS300 SYSTEM Functions (SYS Key) Saving the wave- Connect the USB stick to the USB device connector [16]. form data as an Press the function key in the menu . ASCII file (.asc) in the USB stick A table containing the available parameters is displayed.
  • Page 151: System Settings (Config Menu)

    SYSTEM Functions (SYS Key) R&S FS300 6.3.4 System Settings (CONFIG Menu) You can configure the general system parameters for time/date, reference What the settings source, instrument interface and screen saver from the CONFIG menu. are for Selecting the Press the SYS key [3].
  • Page 152: Setting The Date And Time Of Day

    R&S FS300 SYSTEM Functions (SYS Key) 6.3.4.1 Setting the Date and Time of Day When you save a setting, it is time-stamped using the time provided by the internal real-time clock (Ê 6-144). When you set the internal real-time clock, you can choose between two date and time display format options and modify the parameters.
  • Page 153 SYSTEM Functions (SYS Key) R&S FS300 Setting Press the function key in the menu . the date A table containing the available parameters is displayed. Select the DATE parameter with the cursor key [7]. Press the ENTER key [5]. An entry field containing the current setting is displayed.
  • Page 154: Selecting An Internal Or External Reference Source

    6.3.4.2 Selecting an Internal or External Reference Source The R&S FS300 acting as the frequency standard for all internal oscillators can use the internal reference source ( internal ) or an external reference source ( external ). A 10 MHz crystal oscillator is used as the internal reference source.
  • Page 155: Configuring The Instrument Interfaces

    PC. When you press the SYS key [3], the R&S FS300 can be switched to “lo- cal mode” at any time. The PC and the R&S FS300 are thus physically disconnected.
  • Page 156 If EXTERNAL is set, the USB master switch is in the “remote control” mode and the R&S FS300 can only be controlled via a PC. When you press the SYS key [3], the R&S FS300 can be switched again to “local mode” at any time, for example for changing settings. Reactivate the EXTERNAL setting to switch the R&S FS300 again to “remote con-...
  • Page 157: Setting The Screen Saver Mode

    SYSTEM Functions (SYS Key) R&S FS300 6.3.4.4 Setting the Screen Saver Mode The R&S FS300 has a screen-saver function that turns off the screen [13] after a certain time. There are a number of timing options for screen turn-off: ƒ none The screen is always on.
  • Page 158 R&S FS300 in remote-control mode:     With remote control, the local control mode of the R&S FS300 is deactivated Note and can only be reactivated by pressing the SYS key [3] on the front panel.
  • Page 159: Selecting An Internal Or External Monitor

    SYSTEM Functions (SYS Key) R&S FS300 6.3.4.5 Selecting an Internal or External Monitor Screen display is possible via the internal monitor or an external monitor. ƒ intern Screen display is via the built-in colour TFT display. ƒ extern Screen display is via the connected monitor.
  • Page 160: Service Functions (Service Menu)

    Performs a selftest (Ê 6-159) 6.3.5.1 Performing Selftests The R&S FS300 can perform a module selftest. If there is a fault, the R&S FS300 itself is capable of localizing the defective module. Starting Press the function key in the menu .
  • Page 161: System Information (Info Menu)

    SYSTEM Functions (SYS Key) R&S FS300 6.3.6 System Information (INFO Menu) You can obtain information such as module data, instrument statistics and What the settings system messages from the INFO menu. are for Selecting the Press the SYS key [3].
  • Page 162: Displaying Module Data

    R&S FS300 SYSTEM Functions (SYS Key) 6.3.6.1 Displaying Module Data You can display the serial number of the modules installed in the R&S FS300. Calling • Press the function key in the menu . module data A table listing the current modules and the serial number is displayed.
  • Page 163: Displaying System Messages

    R&S FS300 6.3.6.3 Displaying System Messages You can display the most recent R&S FS300 system messages in their order of occurrence. Operating errors are neither saved nor displayed. System messages help the service personnel to analyze the instrument and handle errors, and should therefore only be deleted by them.
  • Page 164 R&S FS300 SYSTEM Functions (SYS Key) Deleting system Press the function key in the menu . messages (only for service The table of current system messages is displayed. Select the first line with the cursor key [7]. Press the ENTER key [5].
  • Page 165: Remote Control

    R&S FS300 Remote Control     The latest remote control commands and software drivers for the USB- Note interface of the R&S FS300 can be downloaded from the R&S Smart Instru- ments internet site: www.smart-instruments.de E-1007.9900.14 7-164 Operating manual, 4/2004...
  • Page 166: Instrument Interfaces

    Pin assignment Signal KEYBOARDDATA MOUSEDATA 5V, KEYBOARD KEYBOARDCLK MOUSECLK Monitor Connector (MONITOR) There is connector MONITOR [20] on the rear panel of the R&S FS300 for an Connector external monitor. Pin assignment Signal (NC) (NC) (NC) HSYNC...
  • Page 167: Input For External Trigger (Ext Trig/Gate In)

    Internal REF OUT connector [23] so that other devices can be synchronized to the reference R&S FS300. The output level is 0 dBm. You can switch over between the internal and external reference in the CON- Instrument FIG menu (Ê 6-153).
  • Page 168: Error Messages

    Refer to chapter 9 for a detailed description of errors that may occur in the This chapter R&S FS300. You will also find notes on troubleshooting. The R&S FS300 displays detected errors and warnings on the screen. The various types of messages are described in the following: ƒ...
  • Page 169: Warnings Indicating Impermissible Operating States

    There are three types of messages that can be displayed on the screen: OVERLOAD A level above 13 dBm is detected at the R&S FS300 input and the current input attenuation setting is less than 20 dB. In this case, the instrument auto- matically increases the input attenuation by 20 dB to prevent the subsequent stages from being overdriven.
  • Page 170: Index

    R&S FS300 Index Index 10.1 Index Counter............6-91 Measurement ..........6-91 AC line Range ..........6-68, 6-69 Connection ..........3-35 Frequency axis Voltage ............ 3-35 Display mode...........6-73 AC line fuse..........2-34 Display modes .........6-75 AC line switch..........2-34 Setting ..........6-68, 6-69 Action keys..........5-43 Function key area, key assignment.....5-46...
  • Page 171 Index R&S FS300 Math ............6-123 Preset ............6-140 MAX ............6-121 Putting into operation........3-35 Max. Hold ..........6-120 Maximum ............ 6-89 RBW ......See Resolution bandwidth Measurement Reference Frequency ..........6-91 Point on measurement diagram ....6-105 Noise power density......6-100 Point on trace ........6-105...
  • Page 172 R&S FS300 Index Time domain (ZERO SPAN) Internal...........6-127 Power measurement......6-133 Offset.............6-131 Switchover..........6-74 Video .............6-127 TOI ............6-137 Trace ..........See Trace Unit keys............5-41 Averaging ..........6-120 Unit, level axis ..........6-82 Difference function ........ 6-123 Math ............6-123 Max. Hold ..........6-120 VBW .........

Table of Contents