Related Manuals for Rohde & Schwarz R&S FSH18
Summary of Contents for Rohde & Schwarz R&S FSH18
- Page 1 Test and Measurement Division Quick Start Manual Handheld Spectrum Analyzer R&S 1145.5850.03 1145.5850.13 1145.5850.23 1145.5850.06 1145.5850.26 1145.5980.12-09- www.valuetronics.com...
- Page 2 Dear Customer, R&S® is a registered trademark of Rohde & Schwarz GmbH & Co. KG. Trade names are trademarks of the owners. 1145.5980.12-09- www.valuetronics.com...
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Page 3: 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 4 Safety Instructions 1. The unit may be used only in the operating conditions and positions specified by the manufacturer. The R&S FSH is protected against dripping water and dust (IP degree 51). Unless otherwise agreed, the following applies : pollution severity 2, overvoltage category 2, altitude max. 2000 m powered from AC power supply, altitude max.
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Page 5: Certificate Of Quality
R&S FSH Certificate of quality Certificate of quality Dear Customer, 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 compliance with our quality management system standards. - Page 6 EC Certificate of Conformity Certificate No.: 2002-41 This is to certify that: Equipment type Stock No. Designation FSH3 1145.5850.03/.13/.23 Handheld Spectrum Analyzer FSH6 1145.5850.06/.26 FSH-Z1 1155.4505.02 Average Power Sensor FSH-Z18 1165.1909.02 Average Power Sensor FSH-Z2 1145.5767.02 VSWR Bridge and Power Driver FSH-Z32 1145.5796.02...
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Page 7: Support Center
R&S FSH Support Center Support Center Should you have any technical questions concerning this Rohde & Schwarz product, please contact the hotline of Rohde & Schwarz Vertriebs-GmbH, Support Center. Our hotline team will answer your questions and find solutions to your problems. You can reach the hotline Monday through Friday from 8:00 until 17:00 CET. -
Page 8: Putting Into Operation
R&S FSH Front view 1 Putting into Operation Front view External trigger/ Connector for external reference power sensor Generator output RF input input BNC connector N connector N connector Connector for Connector for headphones AC power supply Display RS-232-C optical Softkey interface lettering... -
Page 9: Unpacking The Instrument
Putting into Operation R&S FSH Putting into Operation The following section describes how to put the handheld spectrum analyzer into operation and how to connect external devices, e.g. printers. Section 2 describes the operation of the spectrum analyzer using simple measurements as examples. Unpacking the Instrument The R&S FSH comes in formfitting packaging that consists of upper and lower shells. -
Page 10: Setting Up The Instrument
R&S FSH Putting into Operation Setting up the Instrument The Handheld Spectrum Analyzer R&S FSH has been designed for operation in labs as well as for on- site use for service and maintenance applications. For any application, the R&S FSH can be set up to optimize ease of operation and the viewing angle of the display. -
Page 11: Switching On The Spectrum Analyzer
Putting into Operation R&S FSH Switching on the Spectrum Analyzer The R&S FSH can be powered using either the included power supply unit or internal battery. When fully charged, the built-in nickel metal hydride battery provides an operating time of about four hours. On delivery, the battery in the R&S FSH may be flat. -
Page 12: Spectrum Analyzer Connectors
R&S FSH Putting into Operation Spectrum Analyzer Connectors The R&S FSH has the following connectors: RF input Connect the RF input via a cable with an N connector to the DUT. Make sure that it is not overloaded. The maximum permissible continuous power at the RF input is 20 dBm (100 mW). It can be loaded with up to 30 dBm (1 W) for a maximum of three minutes. - Page 13 Putting into Operation R&S FSH Tracking generator output (models 1145.5850.13, 1145.5850.23 and 1145.5850.26 only) Connect the tracking generator output to the DUT via an N connector. The nominal output level is -20 dBm (100 µW). With the R&S FSH3 model 1145.5850.23, the level can be switched between -20 dBm and 0 dBm (1 mW).
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Page 14: Screen Settings
R&S FSH Putting into Operation Screen Settings The R&S FSH’s screen is a transflective, passive colour LCD. Indoors, its brightness depends on the intensity of the backlighting. If light irradiation is strong, the ambient light supports readability. The viewing angle can be optimized by adjusting the contrast. To achieve maximum contrast, the screen can be switched from colour display to black-and-white display. - Page 15 Putting into Operation R&S FSH Setting the screen color ! Press the SETUP key. ! Press the DISPLAY softkey. The submenu with the contrast, lighting and colour settings opens. ! Using the rotary knob or cursor keys, select TYPE... and confirm with the ENTER key or by pressing the DISPLAY softkey again.
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Page 16: Country-Specific Settings
R&S FSH Putting into Operation Country-Specific Settings The R&S FSH is “multilingual” and can display text in the language of your choice. The softkey lettering is always in English. The default setting (factory-setting) is also English. Selection ! Press the SETUP key. The R&S FSH displays all default settings. -
Page 17: Setting The Date And Time
Putting into Operation R&S FSH Setting the Date and Time The R&S FSH has an internal clock that can apply a date and time stamp, e.g. for output to a printer or stored data records. The user can reset the date and time. Setting the date ! Press the SETUP key. -
Page 18: Charging The Battery
R&S FSH Charging the Battery Charging the Battery The R&S FSH is fitted with a nickel metal hydride battery. The operating time is approx. four hours at room temperature if the battery is fully charged. Note: The battery in the R&S FSH is not charged when it leaves the factory. It must therefore be charged after delivery. - Page 19 Charging the Battery R&S FSH The auto power down mode is set as follows: ! Press the GENERAL key. The R&S FSH opens the submenu with the general settings. The cursor is positioned to POWER DOWN in the menu. ! Confirm the POWER DOWN selection by pressing the ENTER key.
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Page 20: Selecting The Instrument Default Setup
R&S FSH Selecting the Instrument Default Setup Selecting the Instrument Default Setup The PRESET key sets the R&S FSH to the default setup. This allows a new configuration based on defined measurement parameters to be entered, without parameters from a previous setting unintentionally still being active. -
Page 21: External Reference / External Trigger Switchover
External Reference / External Trigger Switchover R&S FSH External Reference / External Trigger Switchover The Ext Trig/Ext Ref BNC connector on top of the R&S FSH can be used either as an input for an external trigger or an external reference. Switchover is via the SETUP menu. ! Press the SETUP key. -
Page 22: Using A Preamplifier
Using a Preamplifier (Only models 1145.5850.03, 1145.5850.23, 1145.5850.06 and 1145.5850.26) The R&S FSH models 1145.5850.03, 1145.5850.23, 1145.5850.06 and 1145.5850.26 come with an internal preamplifier for increasing sensitivity. Depending on the frequency, this amplifier has 15 dB to 18 dB gain and increases sensitivity by 10 to 15 dB. It is fitted behind the RF attenuator and in front of the input mixer. -
Page 23: Pin Entry
PIN Entry R&S FSH PIN Entry To prevent unauthorized use, the R&S FSH can be protected with a personal identification number (PIN). When the R&S FSH is delivered, the PIN is set to 0000 and PIN entry is disabled when the R&S FSH is switched on. - Page 24 R&S FSH PIN Entry Deactivating PIN protection ! Using the rotary knob or cursor keys, select PINCODE OFF from the menu and press the ENTER key. Prior to deactivation, the R&S FSH prompts you to enter your PIN. This prevents unauthorized deactivation of PIN protection.
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Page 25: Connecting A Printer
Connecting a Printer R&S FSH Connecting a Printer The R&S FSH can output a screenshot to a printer equipped with an RS-232-C interface. The optical RS-232-C cable R&S FSH-Z34 is available as an accessory. The Serial/Parallel Converter R&S FSH- Z22 is available as an accessory for printers with a parallel interface. A printer with an RS-232-C interface can be directly connected using the RS-232-C optical interface cable R&S FSH-Z34. - Page 26 R&S FSH Connecting a Printer Note: The R&S FSH-Z22 is designed for a data transmission rate of max. 38 400 baud (= default setting). Therefore, set the baud rate (PRINTER BAUD RATE) in the SETUP menu to 38 400 baud. The baud rates 9600 baud and 19 200 baud can also be set on the R&S FSH-Z22 by opening its housing.
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Page 27: Setting The Baud Rate For Remote Control
Setting the Baud Rate for Remote Control R&S FSH Setting the Baud Rate for Remote Control The R&S FSH offers different baud rates for remote control. The desired baud rate is set via the setup menu. ! Press the SETUP key. ! Press the GENERAL softkey. -
Page 28: Checking The Installed Options
R&S FSH Checking the Installed Options Checking the Installed Options The R&S FSH displays the installed options in the Setup menu so you can check them: ! Press the SETUP key. ! Using the rotary knob or the cursor keys, scroll the status display downwards. -
Page 29: Getting Started
R&S FSH Measurements on CW Signals 2 Getting Started This section explains the basic operation of the Handheld Spectrum Analyzer R&S FSH using some simple measurements as examples. A more detailed description of operation and functions, such as selecting menus and setting measurement parameters, is given in section 3 of the manual on the CD-ROM. -
Page 30: Setting The Reference Level
Measurements on CW Signals R&S FSH ! Press the FREQ key. ! Enter “100” using the numeric keypad and confirm the entry with the MHz key. ! Press the SPAN key. ! Enter “10” using the numeric keypad and confirm the entry with the MHz key. -
Page 31: Frequency Measurements
R&S FSH Measurements on CW Signals Using markers is also an effective way to shift the trace maximum so that it coincides with the top of the measurement diagram. If the marker is positioned on the trace maximum (as in the example), the reference level can be set to the marker level by entering the following keystrokes: ! Press the MARKER key. -
Page 32: Harmonic Measurements Of A Sinewave Signal
Measurements on CW Signals R&S FSH Harmonic Measurements of a Sinewave Signal Since a spectrum analyzer can resolve different signals in the frequency domain, it is ideal for measuring harmonic levels or harmonic ratios. To speed up these operations, the R&S FSH has marker functions that deliver fast results with only a few keystrokes. - Page 33 R&S FSH Measurements on CW Signals Power Measurements Using the Power Sensor For highly accurate power measurements, the R&S FSH provides the Power Sensor R&S FSH-Z1 or R&S FSH-Z18 as options. They measure power in the span 10 MHz to 8 GHz or 10 MHz to 18 GHz, respectively.
- Page 34 Measurements on CW Signals R&S FSH ! Press the ZERO softkey. The R&S FSH outputs a message telling you not to apply any signals to the power meter while zeroing is being performed. ! Disconnect the power sensor from any signal sources.
- Page 35 R&S FSH Measurements on CW Signals Power and Return Loss Measurements with the R&S FSH-Z14 or the R&S FSH-Z44 The Directional Power Sensors R&S FSH-Z14 and R&S FSH-Z44 are connected between the source and the load and measure the power flux in both directions, i.e. from the source to the load (forward power) and from the load to the source (reverse power).
- Page 36 Measurements on CW Signals R&S FSH The R&S FSH opens the screen and the menu for the power measurement. If no power sensor is connected, no measured value is displayed. If a power sensor is connected, the R&S FSH establishes a connection to the power sensor via the interface and, after a few seconds, displays the connected power sensor type (R&S FSH-Z14 or R&S FSH-Z44) as well as the measured forward power and return loss of the load.
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Page 37: Two Port Transmission Measurements
R&S FSH Measurements on CW Signals Two Port Transmission Measurements (Only for R&S FSH with tracking generator: order no. 1145.5850.13, 1145.5850.23 or 1145.5850.26.) For measurements of the gain or attenuation of two-port devices, the R&S FSH provides a tracking generator which generates a sinewave signal exactly at the receive frequency of the R&S FSH. ! Press the MEAS key. - Page 38 Measurements on CW Signals R&S FSH ! In the main menu for the tracking generator, press the MEAS key. ! Press the TRANSM CAL softkey. The R&S FSH now prompts you to connect the RF input to the tracking generator’s output so that calibration can be carried out.
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Page 39: Measurement Of Return Loss
R&S FSH Measurements on CW Signals Measurement of Return Loss (Only for R&S FSH with tracking generator: order no. 1145.5850.13, 1145.5850.23 or 1145.5850.26.) For reflection measurements, the VSWR Bridge R&S FSH-Z2 (up to 3 GHz) or R&S FSH-Z3 (up to 6 GHz) and a short standard (supplied with the bridge) are needed. - Page 40 Measurements on CW Signals R&S FSH Alternately, the start and stop frequency can be input using the START and STOP softkeys in the frequency menu. Calibrate the R&S FSH for the return loss measurement. The following example shows a scalar measurement of return loss. If the option R&S FSH-K2 is installed, measurement must first be switched to scalar.
- Page 41 R&S FSH Measurements on CW Signals ! Connect the DUT to the measurement port of the VSWR bridge. The R&S FSH displays the return loss of the DUT. The transmission calibration remains valid until the R&S FSH’s center frequency or span is changed. If calibration becomes invalid, the R&S FSH displays Track Gen Uncal in the upper right-hand corner of the screen.
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Page 42: Performing Distance To Fault Measurements
Measurements on CW Signals R&S FSH Performing Distance To Fault Measurements (Only for the R&S FSH with the tracking generator (order no. 1145.5850.13, 1145.5850.23 or 1145.5850.26), installed option R&S FSH-B1 (distance-to-fault measurement) and VSWR Bridge R&S FSH-Z2 or R&S FSH-Z3.) Measurement cable VSWR Bridge... - Page 43 R&S FSH Measurements on CW Signals To perform distance-to-fault cable measurements, the R&S FSH needs to be informed about the type of cable and its approximate length. Frequency-dependent cable models can be generated with the supplied R&S FSH View software for Windows and loaded onto the R&S FSH. The procedure is described in the R&S FSH View manual.
- Page 44 Measurements on CW Signals R&S FSH ! Using the rotary knob or the cursor keys, select the appropriate parameter from the submenu and press the ENTER key. ! Enter the value (e. g. velocity factor) for the cable used. ! Confirm with the ENTER key. Please refer to the cable manufacturer's data sheet for the velocity factor (= speed of the wave in the cable relative to the speed of light) and the attenuation of the cable per meter or per foot at the specified frequency.
- Page 45 R&S FSH Measurements on CW Signals Calibrating the test setup The test setup must be calibrated before any measurements are performed. ! Press the DTF CAL softkey. The R&S FSH opens a text window that prompts you to terminate the measurement cable with a SHORT. ! Firmly screw the SHORT to the output end of the measurement cable.
- Page 46 Measurements on CW Signals R&S FSH ! Press the ENTER key or the LIST VIEW softkey again. The R&S FSH displays a table listing all the return losses that are above the threshold, sorted according to distance from the measurement plane. ! To close the list and to return to the graphical display mode, press the EXIT softkey.
- Page 47 R&S FSH Measurements on CW Signals Disable the zoom function as follows: ! Press the MARKER MODE softkey in the MARKER menu. ! Using the rotary knob or the cursor keys, select ZOOM OFF from the menu. ! Confirm your selection by pressing the ENTER key or by pressing the MARKER MODE softkey again.
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Page 48: Operation In Receiver Mode
Operation in Receiver Mode R&S FSH Operation in Receiver Mode (Available only if the option R&S FSH-K3 is installed.) To provide a means of measuring levels at a specific frequency, the R&S FSH offers the receiver mode as an option (option R&S FSH-K3). With this option, the R&S FSH functions like a receiver that measures the level at a predefined frequency. - Page 49 R&S FSH Operation in Receiver Mode Setting the frequency ! Press the FREQ softkey in the main menu of the receiver mode. ! Using the rotary knob or the cursor keys, adjust the frequency, or, using the numeric keys, enter a new frequency and confirm the entry with the ENTER key.
- Page 50 Operation in Receiver Mode R&S FSH Direct entry of a channel table ! If the channel display is active (CHANNEL MODE softkey active in the FREQ menu), press the CHANNEL TABLE softkey. ! Press the SELECT USER TAB softkey. The R&S FSH will use the last channel table that was entered directly. ! Press the DEFINE USER TAB softkey.
- Page 51 R&S FSH Operation in Receiver Mode Selecting the bandwidth The receiver mode provides the same bandwidths as in analyzer operation. In addition, the three bandwidths 200 Hz, 9 kHz and 120 kHz are available for EMI measurements in accordance with CISPR16.
- Page 52 Operation in Receiver Mode R&S FSH Scanning in the receiver mode In the receiver mode, the R&S FSH can scan across a defined number of frequencies and graphically display the results. It performs a measurement at each frequency for the defined measurement time. ! Press the SPAN softkey.
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Page 53: Measuring The Carrier-To-Noise Ratio
R&S FSH Measuring the Carrier-to-Noise Ratio Measuring the Carrier-to-Noise Ratio (Available as of firmware version 8.0 or higher.) The R&S FSH offers a carrier/noise measurement for measuring the ratio of carrier power to noise power. It performs the measurement in two steps. First, the carrier power of a transmission channel is measured or a reference power determined which is then used for C/N calculation. -
Page 54: Reference Power/Reference Level
Measuring the Carrier-to-Noise Ratio R&S FSH Reference power/reference level To determine the reference, you need to enter the type of reference measurement, the reference channel and the channel bandwidth of the reference channel. Selecting the reference measurement Press the SELECT MEASURE softkey. Using the rotary knob or the cursor keys, select the desired measurement method to determine the reference carrier power (Digital Tx, Analog TV or CW Tx) and confirm your choice with the ENTER key or the F1 softkey. -
Page 55: Measuring The Noise Power
R&S FSH Measuring the Carrier-to-Noise Ratio Measuring the noise power Enter an unoccupied transmission channel and its channel bandwidth to determine the noise power. Selecting the result display Press the SELECT MEASURE softkey. Using the rotary knob or the cursor keys, select the desired result display (C/N or C/N ) and confirm your choice with the ENTER key or the F1 softkey. -
Page 56: Saving And Recalling Settings And Test Results
Saving and Recalling Settings and Test Results R&S FSH Saving and Recalling Settings and Test Results Instrument settings and results can be saved to the R&S FSH’s internal CMOS RAM. Results and settings are always stored together, allowing them to be interpreted in context when recalled. The R&S FSH can store a maximum of 256 data sets, each with a unique name. - Page 57 R&S FSH Saving and Recalling Settings and Test Results ! Use the ∨ key to move the cursor to the left. ! Use the ∧ key to move the cursor to the right. ! Insert a new letter or number at the cursor position using the alphanumeric keypad. ! Press the BACK key to delete the letter or digit to the left of the cursor.
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Page 58: Saving Calibration Data
Saving and Recalling Settings and Test Results R&S FSH Saving Calibration Data When performing scalar transmission or return loss measurements, the R&S FSH can store the calibration data along with the settings and results. Saving the settings and results with calibration data requires twice as much memory space as without it. -
Page 59: Recalling Measurement Results
R&S FSH Saving and Recalling Settings and Test Results Recalling Measurement Results Use the R&S FSH’s recall function to review previously saved measurement results and settings. ! Press the SAVE / PRINT key. ! Press the RECALL softkey. A list of all saved data sets opens. The red selection bar marks the data set saved most recently. -
Page 60: Printing Out Measurement Results
Printing Out Measurement Results R&S FSH Printing Out Measurement Results The R&S FSH can send screenshots to a printer equipped with a serial interface. The type of printer and the baud rate of the serial interface can be defined in the setup menu (SETUP key) by using the GENERAL softkey and selecting 'PRINTER BAUD...' and 'PRINTER TYPE...' from the menu.
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