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Rohde & Schwarz FSMR series, Getting Started

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R&S FSMR 

Measurement Examples 

1166.3311.12 

2.13 

E-2 

Example 3: AM Modulation and Modulation Distortion Measurements 

Measurement  

The  FSMR  includes  a  modulation  analyzer.  Measurements  like  AM,  FM  or  PM  modulation  will  be 

performed  in  the  modulation  analyzer  mode.  The  instrument  offers  standard  measurements  like 

modulation  depth,  deviation  and  modulation  frequency,  but  also  more  sophisticated  function  like 

modulation distortion or audio frequency response are available. 

 

Main Receiver Functions 

The modulation analyzer functions are available in the Measuring Receiver 

DEMOD

-mode. All required 

settings and evaluations can be reached from the DEMOD main menu. 

 

Measurement Setup 

Fig.2-9 

AM modulation measurement setup 

 

The following settings are used on the generator: 

1. 

PRESET 

the generator. 

2.  Set RF Frequency to 100 MHz. 
3.  Set the output level to - 30 dBm. 
4.  Select the AM Modulation, 30% modulation depth. 
5.  Set the Modulation frequency to 1 kHz. 

 

Measurement Sequence – AM Modulation Measurements 

Connect the Signal Generator output with the Measuring Receiver RF Input. 

 

The following measurement steps are performed: 

 

1.  Measure the AM modulation depht. 
2.  Relative Audio measurements 
3.  Measure the Total harmonic distortion in %. 

 

Summary of Contents for FSMR series

Page 1: ...R S FSMR Measuring Receiver Getting Started Test Measurement Getting Started 1313 9698 02 03 ...

Page 2: ... a registered trademark of Rohde Schwarz GmbH Co KG Trade names are trademarks of the owners The following abbreviations are used throughout this manual R S FSMR is abbreviated as R S FSMR The software contained in this product makes use of several valuable open source software packages For information see the Open Source Acknowledgment on the user documentation CD ROM included in delivery Rohde S...

Page 3: ... Instructions and the product documentation in a safe place and pass them on to the subsequent users Riesgo de lesiones y daños en el instrumento El instrumento se debe usar de manera adecuada para prevenir descargas eléctricas incendios lesiones o daños materiales No abrir la carcasa del instrumento Lea y cumpla las Instrucciones de seguridad elementales suministradas con el instrumento como foll...

Page 4: ...die Produktdokumentation gut auf und geben Sie diese an weitere Benutzer des Produkts weiter Risque de blessures et d endommagement de l appareil L appareil doit être utilisé conformément aux prescriptions afin d éviter les électrocutions incendies dommages corporels et matériels N ouvrez pas le boîtier de l appareil Lisez et respectez les consignes de sécurité fondamentales fournies avec l appare...

Page 5: ...rument up to date and to be informed about new application notes related to your instrument please send an e mail to the Customer Support Center stating your instrument and your wish We will take care that you will get the right information Europe Africa Middle East Phone 49 89 4129 12345 customersupport rohde schwarz com North America Phone 1 888 TEST RSA 1 888 837 8772 customer support rsa rohde...

Page 6: ...der Overview Contents Safety Instructions Certificate of Quality EU Certificate of Conformity List of R S Representatives Manuals for Measuring Receiver R S FSMR Tabbed Divider Chapter 1 Putting into Operation Chapter 2 Getting Started Chapter 3 Menu Overview Index ...

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Page 8: ...rview of all options available for the R S FSMR visit the R S FSMR Measuring Receiver Internet site This manual is delivered with the instrument in printed form It provides the information needed to set up and start working with the instrument Basic operations and basic measurements are described The function descriptions are provided in the Operating Manual The Quick Start Guide includes gen eral...

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Page 10: ...strument On Off 1 18 Switching On the Instrument 1 19 Startup Menu and Booting 1 19 Switching Off the R S FSMR 1 19 Operating the R S FSMR with the Removable Hard Disk Option R S FSMR B18 1 19 Power Save Mode 1 20 Recalling the Most Recent Instrument Settings 1 20 Function Test 1 20 Properties Specific to Windows XP 1 21 Connecting an External Keyboard 1 22 Connecting a Mouse 1 23 Connecting an Ex...

Page 11: ...Contents Preparing for Operation R S FSMR 1313 9723 12 I 1 2 E 1 Fig 1 1 Front View ...

Page 12: ...o chapter 3 For a systematic explanation of all menus functions and parameters and background information refer to the reference part in chapter 4 For remote control of the R S FSMR refer to the general description of the SCPI commands the instrument model the status reporting system and command description in chapter 5 and 6 Description of Front and Rear Panel Views Front View 1 Display Screen se...

Page 13: ...Front View R S FSMR 1313 9723 12 1 2 E 2 Fig 1 1 Front View ...

Page 14: ...B µV ENTER key Hz ns dB nV see Chapter 3 4 FREQ Set frequency axis SPAN Set span AMPT Set level indication and configure RF input MKR Select and set standard marker and delta marker functions MKR Change instrument settings via markers MKR Select further marker and delta FCTN marker functions see Chapter 4 5 BW Set resolution bandwidth video bandwidth and sweep time Set coupling of these parameters...

Page 15: ...Front View R S FSMR 1313 9723 12 1 4 E 2 Fig 1 1 Front View ...

Page 16: ...es Vary the input value Define the direction of movement for the roll key Roll key Vary input values Move markers and limits Select letters in the help line editor Move cursor in the tables Close data input ENTER see Chapter 3 7 Connector for the power sensors NRP Zx 8 Output connector for an external noise source s Chapter 3 9 CF Card option R S FSU B18 ...

Page 17: ...Front View R S FSMR 1313 9723 12 1 6 E 2 Fig 1 1 Front View ...

Page 18: ...is 50 V the maximum power is 1 W 30 dBm at 10 dB attenuation AUDIO INPUT Audio input with 50 J or 1 MJ input impedance NOTICE The input can handle a maximum power of 1 W or a peak voltage of 20 V POWER REF Reference source 50 MHz 1mW NOTICE The maximum DC voltage is 0 11 TRACE Select and activate traces and detectors LINES Set limit lines DISP Configure display FILE Save and recall instrument data...

Page 19: ...Front View R S FSMR 1313 9723 12 1 8 E 2 Fig 1 1 Front View ...

Page 20: ...REV Call main menu see Chapter 3 13 Hotkeys see Chapter 3 14 ON STANDBY switch see Chapter 1 15 HCOPY Configure and start a print job see Chapters 1 and 4 16 SETUP Define general configuration see Chapter 4 17 CAL Record correction data see Chapter 4 18 Call default settings see Chapter 4 ...

Page 21: ... DATA OUT REF IN 1 20 MHz REF OUT AUX CONTROL IEC 2 625 SWEEP EXT TRIGGER GATE IN MOUSE MONITOR COM LPT 100 240 VAC 3 1 1 3 A 34 33 32 31 30 25 29 28 24 23 22 21 20 19 IEC 2 LAN REF OUT 640 MHz IF OUT 20 4 MHz IF OUT 404 4 MHz VIDEO OUT 26 27 Fig 1 2 Rear View ...

Page 22: ... 3 1 1 3A I 0 Power switch and AC power connector see Chapter 1 21 SCPI 625 IEC IEEE bus connector see Chapter 8 22 LPT Parallel interface connector printer connector see Chapter 8 23 COM Connector for a serial interface 9 pin socket COM see Chapter 8 24 MONITOR Connector for an external monitor see Chapter 8 ...

Page 23: ... DATA OUT REF IN 1 20 MHz REF OUT AUX CONTROL IEC 2 625 SWEEP EXT TRIGGER GATE IN MOUSE MONITOR COM LPT 100 240 VAC 3 1 1 3 A 34 33 32 31 30 25 29 28 24 23 22 21 20 19 IEC 2 LAN REF OUT 640 MHz IF OUT 20 4 MHz IF OUT 404 4 MHz VIDEO OUT 26 27 Fig 1 2 Rear View ...

Page 24: ...ption FSP B10 28 EXT TRIG GATE IN Input connector for an external trigger or an external gate signal see Chapter 8 29 SWEEP Output connector During a sweep saw toth voltage is output which is proportional to frequency see Chapter 8 30 Reserved for options 31 REF IN 1 20 MHz REF OUT REF IN Input connector for an external reference 1 to 20 MHz REF OUT Output connector for an internal reference 10 MH...

Page 25: ... DATA OUT REF IN 1 20 MHz REF OUT AUX CONTROL IEC 2 625 SWEEP EXT TRIGGER GATE IN MOUSE MONITOR COM LPT 100 240 VAC 3 1 1 3 A 34 33 32 31 30 25 29 28 24 23 22 21 20 19 IEC 2 LAN REF OUT 640 MHz IF OUT 20 4 MHz IF OUT 404 4 MHz VIDEO OUT 26 27 Fig 1 2 Rear View ...

Page 26: ... 1313 9723 12 1 15 E 2 32 IF OUT 20 4 MHz IF OUT 404 4 MHz IF 20 4 MHz OUT Output connector for 20 4 MHz IF IF 404 4 MHz OUT Output connector for 404 4 MHz IF see Chapter 8 33 L A N LAN Interface 34 Reserved for options ...

Page 27: ...nd rear of the R S FSMR and carefully check the instrument for damage Should the instrument be damaged immediately notify the carrier and keep the box and packing material For further transport or shipment of the R S FSMR the original packing should be used It is recommended to keep at least the two protective covers of the front and rear panels in order to prevent damage to the controls and conne...

Page 28: ...he instrument with the feet out the feet might collapse and fold in To avoid injuries the instrument must therefore not be shifted with the feet out The instrument can be operated in any position Rackmounting For rack installation ensure that the air flow at the side panel perforations and the air exhaust at the rear panel are not obstructed The instrument may be installed in a 19 rack by using a ...

Page 29: ... 0 Power connector Power switch Position I ON In the I position the instrument is in standby mode or in operation depending on the position of the ON STANDBY key at the front of the instrument Note The AC power switch may remain ON continuously Switching to OFF is only required when the instrument must be completely removed from the AC power source Position O OFF The 0 position implies an all pole...

Page 30: ...vice configuration than FACTORY had been selected with STARTUP RECALL in the FILE menu Switching Off the R S FSMR Switch the ON STANDBY key on the front panel to standby mode by pressing it once The R S FSMR will write the current instrument settings to disk before performing a Windows XP shutdown At the end of the shutdown procedure the power supply will be switched to STANDBY mode The yellow LED...

Page 31: ...trument settings onto the hard disk every time it is switched off via the ON STANDBY key After each power on the R S FSMR is reloaded with the operational parameters which were active just prior to the last power off STANDBY or AC power OFF or were set with STARTUP RECALL see Chapter 4 Saving and Recalling Data Sets Storing the current instrument settings is not possible if the instrument is switc...

Page 32: ...compatible with Windows XP Embedded The drivers and programs used on the instrument under Windows XP have been adapted to the instrument Existing instrument software must only be modified with update software released by Rohde Schwarz Login Windows XP requires that users identify themselves by entering a user name and password in a login window The instrument provides a factory installed auto logi...

Page 33: ...tched off STANDBY Otherwise proper functioning cannot be ensured due to interactions with the firmware The R S FSMR allows an external PC keyboard to be connected to one of the USB interfaces on the front panel or on the rear panel USB Keyboards and mouse devices conform to USB Standards 1 1 or 2 0 are suitable for connection to the USB interface ...

Page 34: ...h mouse types are supported The recommended keyboard PSP Z2 is equipped with a trackball for mouse control Connecting an additional mouse will cause interface conflicts and lead to malfunctions of the instrument After connection the mouse is automatically recognized Special settings such as mouse cursor speed etc can be performed in the Windows XP menu START SETTINGS CONTROL PANEL MOUSE Chapter 8 ...

Page 35: ...display type and display configuration since this will severely affect instrument operation The instrument is equipped with a rear panel MONITOR connector for the connection of an external monitor MONITOR After connecting the external monitor the instrument needs to be rebooted in order to recognize the monitor After that the measurement screen is displayed on both the external monitor and the ins...

Page 36: ...The interfaces for connecting printers are on the rear panel LPT USB Chapter 8 contains the interface description for the connectors Selecting a Printer Before a hardcopy can be printed the printer has to be selected from the HCOPY menu In the following example an HP DeskJet 660C printer that was preinstalled for LPT1 is selected as DEVICE2 for hardcopies of the screen content COLORS HCOPY DEVICE ...

Page 37: ...le and selecting printout orientation Orientation are displayed Use the cursor key to set the selection bar to Name and press ENTER The list of available printer types appears Use the cursor key or the spinwheel to move the selection bar to the HP DeskJet 660C printer and press ENTER The list closes and the selected printer appears in the Name field Note If the desired printer is not available in ...

Page 38: ...ng ENTER or the spinwheel Orientation is used to switch between portrait and landscape format To change the selection open the list by pressing ENTER and select the desired orientation with the cursor key To close the list press ENTER again The Close button is used to complete the setup Press ENTER as soon as the Close button is available The dialog closes Printing will now be performed according ...

Page 39: ...ls its driver provided the driver is included in the XP installation If the XP printer driver is not found Windows XP prompts you to enter the path for the corresponding installation files In addition to pre installed drivers a number of other printer drivers can be found in directory D I386 When you install printer drivers that are not pre installed on the instrument the installation process will...

Page 40: ...Add Printer Wizard is displayed Select NEXT with the spinwheel and press the spinwheel for confirmation Local or Network Printer can be selected To install a local printer select Local printer attached to this computer with the spinwheel Press the spinwheel for confirmation and continue with the Local Printer section To install a network printer select A network printer or a printer attached to an...

Page 41: ...he Add Printer Wizard To select the USB interface open the list of ports by clicking the spinwheel Select the printer port with spinwheel arrow keys and confirm by pressing the spinwheel The selection list is closed again To select the LPT connector the selection list need not be opened Place the cursor on the Next button and confirm by pressing the spinwheel The Install Printer Software dialog is...

Page 42: ...E DISK button with the mouse key You will be prompted to insert a disk with the corresponding printer driver Press OK and select the desired printer driver The printer name can be changed as required in the Printer name entry field max 60 characters A PC keyboard is required in this case Use the spinwheel to select Yes or No for the default printer Choose the desired status with the up down keys C...

Page 43: ... dialog with ENTER The printer is installed If Windows finds the required driver files the installation is completed without any further queries If Windows cannot find the required driver files a dialog is opened where the path for the files can be entered Select the Browse button with the spinwheel and confirm with by pressing the spinwheel The Locate File dialog is opened ...

Page 44: ...nfirm by pressing the spinwheel The file is included in the Files Needed dialog Note If the desired file is not in the D I386 directory a disk with the driver file is needed In this case exit the dialog with ESC and repeat the selection starting from the Files needed dialog Select the OK button with the spinwheel and press the spinwheel to confirm The installation is completed Finally the instrume...

Page 45: ...etwork Printer To select a network printer click the option A network printer or a printer attached to another computer Continue with Next Click Browse for a printer and then Next A list of selectable printers is displayed Mark the desired printer and select it with OK ...

Page 46: ... driver has not yet been installed In this case click the HAVE DISK button You will be prompted to insert a disk with the corresponding printer driver Insert the disk select OK and then choose the desired printer driver Click Next If one or more printers have already been installed this window queries whether the printer last installed is to be used as the default printer for the Windows XP applic...

Page 47: ...e under Windows XP since all USB devices are Plug Play Apart from the keyboard and the mouse all USB devices can be connected to or disconnected from the R S FSMR while the instrument is running After the instrument is connected to the USB interface Windows XP automatically searches for a suitable device driver If Windows XP does not find a suitable driver you will be prompted to specify a directo...

Page 48: ...iles 4 If the pendrive is no longer required or if files are to be transferred to another computer the pendrive is simply disconnected Windows XP will then deactivate the driver If the corresponding drive is still selected in Explorer an error message will be displayed indicating that the drive is no longer available ...

Page 49: ... are used Using other software or hardware may cause the functions of the R S FSMR to perform improperly or fail The following program packages have been successfully tested for compatibility with the measurement instrument software R S FS K3 Software for measuring noise factor and gain R S FS K4 Software for measuring phase noise R S Power Viewer virtual power meter for displaying results of the ...

Page 50: ...r Measurements 2 4 Example 2 Low RF Level Measurements with Tuned RF Level Mode 2 7 Measurement 2 7 Main Receiver Functions 2 7 Measurement Setup 2 7 Measurement Sequence Tuned RF Level Measurements 2 7 Example 3 AM Modulation and Modulation Distortion Measurements 2 13 Measurement 2 13 Main Receiver Functions 2 13 Measurement Setup 2 13 Measurement Sequence AM Modulation Measurements 2 13 Example...

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Page 52: ...mance spectral analysis capabilities The R S FSMR still offers an easy to use operation which does not require expert knowledge to perform the basic measurements This product note is designed to explain the functions and operation of the Measuring Receiver R S FSMR In the following descriptions each step is explained in detail so that the instrument can be immediately used without the need for lea...

Page 53: ... setup menu is opened Press the menu change key NEXT The submenu is opened Press the PRESET RECEIVER softkey The following presets will force the instrument into the Measuring Receiver mode FILE STARTUP RECALL 2 Define the Startup Recall Press the FILE key The file menu is displayed In the FILE menu press the STARTUP RECALL softkey A table with available instrument recall states is displayed In th...

Page 54: ...amplifier Preamp Off Demodulation Demod FM Detector Det peak 2 Measurement time Meas Time 100 ms Trigger Trigger Free run Measurement Examples All of the following examples assume the standard settings for the measuring receiver These are set with the PRESET key The described measurement applications are Measurement of the RF power of a signal using the Power Meter mode Measurement of low level si...

Page 55: ...o 100 mW o R S NRP Z55 DC to 40 GHz 1 uW to 100 mW Main Receiver Functions The power meter functions are available in the Measuring Receiver POWER METER mode All required settings and evaluations can be reached from the POWER METER main menu Measurement Setup Fig 2 2 RF Power measurement setup The following settings are used on the generator 1 PRESET the generator 2 Set RF Frequency to 1 GHz 3 Set...

Page 56: ...requency menu press the RECEIVER FREQUENCY softkey The frequency entry is displayed Enter the measuring frequency with the number keys and the appropiate unit key The frequency will be used by the instrument to calculate the calibration factors for the power sensor head In the RECEIVER FREQUENCY entry window key in 1000 MHZ PWR METER ZERO Zero the power sensor Press the PWR METER hotkey The power ...

Page 57: ...onnect the power sensor to the signal generator RF output PWR METER DISPLAY LOG LIN Linear display Change the Unit to Watt Press the PWR METER hotkey The POWER METER menu is displayed In the POWER METER menu press the DISPLAY LOG LIN softkey The RF power unit is changed from dB to Watt Fig 2 4 RF power measurement in UNIT Watt ...

Page 58: ... calibration procedures in the Tuned RF Level mode The following example will guide through the calibration steps All functions for Tuned RF level measurements can be reached from the RF LEVEL main menu Measurement Setup Fig 2 5 Tuned RF Level measurement setup The following settings are used on the generator 1 PRESET the generator 2 Set RF Frequency to 300 MHz 3 Set the output level to 0 dBm Meas...

Page 59: ...th the number keys and the appropiate unit key In the RECEIVER FREQUENCY entry window key in 300 MHZ Connect the power sensor to the signal generator RF output RF LEVEL CAL ABS POWER Calibrate the Tuned RF Level Absolute Power calibration Press the RF LEVEL hotkey The RF LEVEL menu is displayed In the RF LEVEL menu press the CAL ABS POWER softkey The calibration of the receiver will be performed A...

Page 60: ... at levels about 10 dBm This is the point where the automated Range to Range calibration can be performed RF LEVEL RECAL MANUAL The FSMR is now ready for a RF level range change The calibration of the level difference due to the range change will be performed Press the RF LEVEL hotkey The RF LEVEL menu is displayed In the RF LEVEL menu press the RECAL MANUAL softkey The RECAL procedure is performe...

Page 61: ...nu is displayed In the RF LEVEL menu press the RECAL MANUAL softkey The RECAL procedure is performed A message box appears The instrument will perform a measurement in the calibrated range then change the RF settings RF attenuator IF gain and then measure again After the recalibration measurements with high accuracy are available in the RF level range 3 covers levels from 50 dBm to noise level The...

Page 62: ...nding on the measurement time A longer acquisition of the signal does allow for a more accurate measurement The averaging of several single acquisitions will lead to an effective longer measurement time Press the RF LEVEL hotkey The RF LEVEL menu is displayed In the RF LEVEL menu press the MANUAL AVG softkey The AVERAGE will be switched on The number of measurements can be entered in the AVERAGING...

Page 63: ... frequency entry is displayed Enter the measuring frequency with the number keys and the appropriate unit key In the RECEIVER FREQUENCY entry window key in 100 MHZ DETECTOR WIDE The measurement of an unstable signal requires the measuring receiver to use a wide bandwidth The FSMR offers a wideband detector mode to acquire wideband signals with high accuracy In the RF LEVEL menu press the DETECTOR ...

Page 64: ...n analyzer functions are available in the Measuring Receiver DEMOD mode All required settings and evaluations can be reached from the DEMOD main menu Measurement Setup Fig 2 9 AM modulation measurement setup The following settings are used on the generator 1 PRESET the generator 2 Set RF Frequency to 100 MHz 3 Set the output level to 30 dBm 4 Select the AM Modulation 30 modulation depth 5 Set the ...

Page 65: ... of the screen The upper window shows the RF Frequency and the RF input level FILTER LOW PASS 15 KHZ Limiting the bandwidth Audio Filters Press the DEMOD hotkey The analog demodulation menu is displayed In the DEMOD menu press the FILTER softkey The audio filter menu is displayed To suppress unwanted broadband noise or harmonics of the demodulated signal the bandwidth of the measurement can be lim...

Page 66: ... value of the detector will be saved as a reference value and the result display will change to a relative reading indicated with K 0 00 Change the modulation frequency to 50 kHz The following settings are used on the generator 1 Select the AM Modulation 50 kHz modulation frequency RELATIVE RELATIVE DB Relative display Change the Unit to dB Press the DEMOD hotkey The analog demodulation menu is di...

Page 67: ... RMS and Average detectors are the best choice for measuring noise and residual modulation The THD SINAD detector measure the distortion of the demodulated audio signal All detectors can be used in parallel In the DETECTOR SELECTION menu press the DISTORTION SINAD softkey AMPT UNIT DIST UNIT DB Total Harmonic Distortion Change the Unit to Press the AMPT hardkey on the frontpanel The amplitude sett...

Page 68: ...Receiver AUDIO mode All required settings and evaluations can be reached from the AUDIO main menu Measurement Setup Fig 2 13 Audio measurement setup Connect the signal generator LF low frequency output with the FSMR Audio input The following settings are used on the generator 1 PRESET the generator 2 Set LF output to ON 3 Set the LF output level to 1 volt 4 Set the LF output frequency to 1 kHz Mea...

Page 69: ...ings like frequency is required Fig 2 14 Audio measurement after Preset Mode Audio AUDIO RESULT ABS REL 4 Relative Audio measurements Press the AUDIO hotkey The audio menu is displayed In the AUDIO menu press the RESULT ABS REL softkey The relative measurement function is enabled The actual measurement value of the detector will be saved as a reference value and the result display will change to a...

Page 70: ...f the signal the bandwidth of the measurement can be limited with higpass and lowpass filters In the FILTER menu press the LOW PASS 15 KHZ softkey Change the LF output frequency to 15 kHz The following settings are used on the generator Set the LF output frequency to 15 kHz The audio frequency is now changed to the bandwidth of the active 15 kHz low pass filter In the following measurement the fre...

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Page 72: ... or Softkeys 3 14 Editing of Numeric Parameters 3 17 Entry of Alphanumeric Parameter 3 20 Editing with External Keyboard 3 20 Editing with Help Line Editor 3 21 Selection and Setting of Parameters via Tables 3 24 Menu Overview Receiver Mode 27 FREQENCY Key 27 SPAN Key 28 AMPT Key 29 BW Key 30 SWEEP MEAS Keys 31 Hotkey Menus 32 RF LEVEL Key 32 PWR METER Key 33 DEMOD Key 34 AUDIO Key 35 Menu Overvie...

Page 73: ...nual Operation R S FSMR 1166 3363 12 I 3 2 E 1 DISP Key 48 FILE Key 49 CAL Key 50 SETUP Key 51 HCOPY Key 52 Hotkey Menu 53 LOCAL Menu 53 Menu Overview Ext Generator Control 54 Menu Overview Option Network Mode 55 ...

Page 74: ... menu controlled via keys hotkeys and softkeys The setting of the instrument and test parameters in the m enus is made either directly via softkeys or by entry of values in entry fields and by selection in tables The operating mode and the s creen mode is selected via the hotkeys If required data entry windows and tables are superimposed on the screen The Screen The screen informs continuously on ...

Page 75: ...s the instrument functions which can be s elected via the softkeys The softkey area is not superimposed by other graphics Hotkey area This area contains the available oper ating modes and s creen modes The hotkey area is not superimposed by other graphics Diagram Area logo titel date and time hardware settings marker deltamarker reference max level Status information Trace info level axis labellin...

Page 76: ...the set RF attenuation Indication of the set resolution bandwidth If the bandwidth does not correspond to the value of the automatic coupling a green asterisk is prefixed to the field Indication of the set video bandwidth If the bandwidth does not correspond to the value of the automatic coupling a green asterisk is prefixed to the field Indication of the set sweep time If the sweep time does not ...

Page 77: ...f AM modulation depth active TOI TOI measurement active 3 rd order intercept Limit check Indication of the result of the limit check X axis labelling 10 MHz DIV Center 1 2345678901234 GHz Start 1 2345678901234 GHz Display of the x scaling The distance between two grid lines is displayed in this label The set center frequency or start frequency is displayed in this label depending on w hether the k...

Page 78: ...dth increase sweep time OVLD IFOVL LOUNL EXREF OVEN OVLD is indicated when the input mixer is overloaded Increase input attenuation IFOVL is indicated when overload occurs in the IF signal path after the input mixer Increase reference level LOUNL is indicated when an error occurs in the frequency processing of the instrument EXREF is indicated when the analy zer is configured for use of an externa...

Page 79: ...EAK detector MI MIN PEAK detector SA SAMPLE detector AV AVERAGE detector RM RMS detector QP QUASIPEAK detector indicates that the selected detector does not correspond to that of the automatic coupling mode indication of sweep mode CLRWR CLEAR WRITE MAXH MAX HOLD MINH MIN HOLD AVG AVERAGE VIEW VIEW Trace math trace math active 1 2 trace 1 trace 2 1 3 trace 1 trace 3 ...

Page 80: ... of interest is switched to BLANK A B Identification for screen A B W hen screen A B is activated for the entry of test parameters this label is highlighted SGL The sweep is set to SINGLE SWEEP GAT The frequency sweep is controlled via the EXT TRIG GATE input of the instrument TRG The instrument is not triggered in FREE RUN mode LVL A level offset 0 dB has been set FRQ A frequency offset 0 Hz has ...

Page 81: ...ion field These system messages require a decision to be tak en by the user They are not deleted until any action has been s elected Deletion of the message initiates the action selected and appropriate measures to be taken The action field consists of one OK two OK CANCEL or three arbitrary buttons The user may select one of the buttons using the cursor keys and initiate the associated action by ...

Page 82: ...lves Fig 3 4 Subdivision of the screen in Split Screen mode The upper half is assigned Screen A the low er one Screen B The settings for measurement can be selected independently for both s creens E g a s pectrum may be displayed in Screen A and a time amplitude in the time range is displayed in Screen B The indications which are valid only for one window appear in the m argin of the associated di...

Page 83: ...of the softkeys is indicated in the label by different texts and colors The color assignment is factory set as follows Table 3 1 Factory set color assignment of soft keys Softkey color Meaning gray Softkey switched off green Softkey switched on red Softkey switched on and data entry active These colors can be changed by the user as desired in the DISP CONFIG DISPLAY menu A softkey is switched on o...

Page 84: ...menu the root of the menu tree is always called by means of a keystroke Arrows at the lower edge of the softkey area indicate whether a supplementary menu can be entered or not Softkeys with an arrow allow for branching into further menus so called submenus The field at the lower right side of the softkey area indicates that this menu has a side menu The menu change keys on the front panel below t...

Page 85: ... decimal point at the cursor position Sign key Changes the sign of the mantissa or exponent of a numeric parameter A is inserted at the cursor position in case of an alphanumeric parameter Unit keys GHz dBm MHz dBm kHz dB and Hz dB Provide the numeric value entered with the selected unit and terminate the entry The unit k eys are all as signed the value 1 for dimensionless quantities or for level ...

Page 86: ... open The direction horizontal vertical is switched over using the cursor keys The spinwheel is used with the help line editor to s elect the individual letters It can be used to shift markers display lines limit lines etc Pressing the spinwheel terminates the input of parameters In tables the cursor keys are used to shift the cursor between the lines and columns of the table The keys and are used...

Page 87: ...ection via softkey 1 The softkey is active or inactive In most cases the s election is made by pressing the respective softkey There are various alternatives of making the selection Example Switching on off the frequency counter Press MKR key Press SIGNAL COUNT softkey Each time the softkey is pressed the marker info list is switched on or off If the softkey is active marker info list on it is ill...

Page 88: ... elected via the SINGLE SWEEP softkey in the s ame menu Only one of the two softkeys can be ac tive at a time the softkeys thus act like selection switches CONTINUOUS SWEEP SINGLE SWEEP CONTINUOUS SWEEP SINGLE SWEEP 4 The softkey is used to select the parameter the setting is made in an alphanumeric data entry window Example SWEEP COUNT parameter Press SWEEP key Press SWEEP COUNT softkey The windo...

Page 89: ...MARKER 1 SPAN MARKER 1 42 03456788 MHz Press MARKER 2 softkey The entry window for the marker frequency of marker 2 is opened T he softkey is colored red marker 2 is switched on and the MARKER 1 softkey turns green MARKER 2 SPAN DELTA MARKER 2 1 746729018 GHz MARKER 1 Press MARKER 1 softkey again Marker 1 is switched off 5 The softkey selects the parameter the setting is made in a selection table ...

Page 90: ...g the entry window the current parameter value including the unit is displayed left justified in the editing line Status and error messages which refer to the current entry are displayed in the third and optionally fourth line Note Entry windows may be represented transparent cf DISPLAY CONFIG DISPLAY menu Entry of a numeric value Call data entry window cf selection of parameters The editing line ...

Page 91: ... key or the spinwheel The new setting is accepted by the instrument A few data entry windows close automatically whereas others like the entr y window for the s tart frequency remain open even af ter termination of the entry They can be closed by pressing the ESC key If an error occurs a c orresponding error message is displayed in the s tatus line of the entry window e g Out of range Value adjust...

Page 92: ...d to toggle betw een these two values This applies for terminated entries as long as the data entry window is displayed Aborting the entry Press ESC key The original parameter value is restored The new entry is deleted Press ESC key again The entry window is closed the original value remains active or Press any key or any softkey even the softkey which has opened the entry window The entry is abor...

Page 93: ...ht when the left or right margin of the editing line is touched by the cursor Editing with External Keyboard COMMENT CHANNEL 1 BANDPASS FILTER TEST 23A input lin message line Entry of text Select parameter The data entry is active automatically upon calling the data entry window The cursor is positioned at the beginning of the previous entry Press the required character on the keyboard The charact...

Page 94: ...n the help line editor Entry of text Select parameter The data entry is active automatically upon calling the data entry window The cursor is positioned on the left in the editing line Position the cursor in the help line editor using the cursor key The cursor marks the first letter of the editor Locate the cursor on the character which is to be enter ed into the editing line using the cursor keys...

Page 95: ...rrent entry Position the cursor to the character selection field using the cursor key The cursor highlights the first letter of the editor Position the cursor to the character to be entered in the editing line by means of the cursor keys or or the spinwheel Press the ENTER key or the spinwheel The character will be entered in the editing line Correcting the entry Version 1 Move to the character in...

Page 96: ...or with the spinwheel Press the BACK key The entry to the left of the cursor will be deleted Select the EXIT field using the spinwheel and press the spinwheel The data entry window will be closed the new entry will be accepted by the instrument Move the cursor to the editing line using the cursor key Press one of the unit keys or the spinwheel The data entry window will be closed the new entry wil...

Page 97: ... the corresponding softkey menu 1 Activating the table If the menu has only one table the latter is activated automatically subsequent to c alling this menu in most cases and the marking cursor is positioned to the top field of the left column If the m enu contains various tables the table of interest must be selected using the s oftkey which is labeled with the title of the table 2 Selection of t...

Page 98: ... LP1GHz on 2 0 dB LP1GHz off 1 0 dB MIL461A off 2 10 dB a Toggling between two states If an element of a table c an be switched on and off only the unit keys are used to toggle between these two states Press one of the unit keys The table elem ent is switched on and pr ovided with a checkmark Press one of the unit keys once more The table element is switched off or Press one of the unit keys The t...

Page 99: ... e g colors from a color pallet fixed filter bandwidths etc a table indic ating all possible states is displayed with selection The current state is and marked by a checkmark and by the cursor Set the cursor to the desired setting Press one of the unit keys The setting is switched on and m arked The selection table closes and the value is transferred to the original table The cursor is positioned ...

Page 100: ...he menus appear in the order corresponding to the arrangement of keys on the front panel The available hotkeys and the LOCAL menu appearing during the remote control of the instrument are also displayed The functions of menus are described in detail in Chapter 4 The IEC IEEE bus command associated with each softkey is indicated In addition the softkey list at the of Chapter 6 gives the assignment ...

Page 101: ...Menu Overview R S FSMR 1166 3363 12 3 28 E 3 SPAN Key DEMOD BW AF FULL SPAN AF SPAN SPAN Modulation Spectrum RF Spectrum Result Display DEMOD BW FULL SPAN FREQUENCY SPAN ...

Page 102: ...R S FSMR Menu Overview 1166 3363 12 3 29 E 3 AMPT Key ...

Page 103: ...Menu Overview R S FSMR 1166 3363 12 3 30 E 3 BW Key BW DEMOD BW AUTO DEMOD BW MANUAL IF BW AUTO IF BW MANUAL MEAS TIME AUTO MEAS TIME MANUAL RES BW MANUAL ...

Page 104: ...R S FSMR Menu Overview 1166 3363 12 3 31 E 3 SWEEP MEAS Keys CONTINUOUS SWEEP SINGLE SWEEP MEAS TIME AUTO MEAS TIME MANUAL ZOOM SWEEP COUNT SGL SWEEP DISPLAY OFF ...

Page 105: ... ADJUST RANGE MANUAL AVG OFF RESTORE CAL VALUE CAL ABS POWER RECAL MANUAL AUTO AVERAGE RELATIVE DETECTOR NARROW INSERT DETECTOR WIDE AUTO AVG CONFIG DELETE ALL DELETE RELATIVE ON OFF MEAS REF REFERENCE VALUE RELATIVE DB CAL VALUES TABLE RESTORE CAL VALUES SORT BY DATE SORT BY FREQUENCY DELETE DELETE ALL AUTO RECAL ON OFF CLEAR CAL VALUES ...

Page 106: ...TIVE POINT DELALL POINTS GOTO POINT INSNEW POINT USEPOWER SPLITTER INSERTION LOSS PATH2 INSLOSS DELACTIVE POINT DELALL POINTS POWER SPLITTER REFERENCE VALUE PWRMETER ON OFF ZERO MEASTIME AVERAGE NUMBEROF READINGS MEAS REF DISPLAY LOG LIN DISPLAY ABS REL VSWRCORR ON OFF TYPE GPIB ADDRESS SENSORCAL FACTOR EXTMETER ON OFF PWRREF ON OFF ...

Page 107: ...Menu Overview R S FSMR 1166 3363 12 3 34 E 3 DEMOD Key ...

Page 108: ...R S FSMR Menu Overview 1166 3363 12 3 35 E 3 AUDIO Key ...

Page 109: ...3 Menu Overview Spectrum Analysis Mode FREQUENCY Key CF STEPSIZE START STOP FREQUENCY OFFSET SIGNAL TRACK 0 1 SPAN TRACK ON OFF 0 5 SPAN x SPAN 0 5 RBW 0 1 RBW x RBW CENTER CENTER MARKER MARKER MANUAL MANUAL TRACK THRESHOLD TRACK BW SELECT TRACE ...

Page 110: ...R S FSMR Menu Overview 1166 3363 12 3 37 E 3 SPAN Key SPAN MANUAL LAST SPAN SWEEPTIME MANUAL FULL SPAN SPAN ZERO SPAN FREQ AXIS LIN LOG ...

Page 111: ...Menu Overview R S FSMR 1166 3363 12 3 38 E 3 AMPT Key ...

Page 112: ...R S FSMR Menu Overview 1166 3363 12 3 39 E 3 MEAS Key ...

Page 113: ...Menu Overview R S FSMR 1166 3363 12 3 40 E 3 ...

Page 114: ...R S FSMR Menu Overview 1166 3363 12 3 41 E 3 BW Key ...

Page 115: ...Menu Overview R S FSMR 1166 3363 12 3 42 E 3 SWEEP Key SWEEP MEAS BW TRIG CONTINUOUS SWEEP SWEEPTIME AUTO SWEEP COUNT SINGLE SWEEP SGL SWEEP DISP OFF SWEEPTIME MANUAL CONTINUE SGL SWEEP SWEEP POINTS ...

Page 116: ...R S FSMR Menu Overview 1166 3363 12 3 43 E 3 Menu Overview another Keys MKR Key ...

Page 117: ... LVL PEAK EXCURSION MKR MKR SELECT MARKER CENTER MKR FREQ SEARCH LIMITS MRK TRACE AMPL SPAN PEAK MIN NEXT MIN RIGHT FCTN MKR CF STEPSIZE EXCLUDE LO RIGHT LIMIT LEFT LIMIT THRESHOLD SEARCH LIM OFF NEXT PEAK LEFT NEXT PEAK RIGHT NEXT MIN LEFT AUTO MAX PEAK AUTO MIN PEAK NEXT MIN ...

Page 118: ...FPOINT LVLOFFSET REFPOINT FREQUENCY MKR STOPTIME AM FM FCTN MKRDEMOD ON OFF CONT DEMOD NOISEMEAS PEAK SEARCH NEW SEARCH SORTMODE FREQ LEVEL PEAK LIST PEAK EXCURSION LEFT LIMIT RIGHT LIMIT PAGEUP AUTOPEAK SEARCH SQUELCH PEAKLIST EXPORT DECIMSEP PEAKLIST ON OFF AUTOSEARCH ON OFF PAGEDOWN MKRSYMBOL ON OFF SEARCH LIMITS MKRSYMBOL ON OFF MKRNUMBER ON OFF MKRPEAK CONT 50 THRESHOLD SEARCHLIM OFF ...

Page 119: ...FSMR 1166 3363 12 3 46 E 3 TRIG Key FREE RUN VIDEO EXTERN IF POWER GATE SETTINGS GATED TRIGGER TRIGGER OFFSET POLARITY POS NEG GATE MODE LEVEL EDGE GATE DELAY POLARITY POS NEG GATE LENGTH SWEEPTIME TRIG DELAYCOMP ON OFF ...

Page 120: ...R S FSMR Menu Overview 1166 3363 12 3 47 E 3 TRACE Key ...

Page 121: ...MITLINE SELECT LIMITLINE COPY LIMITLINE XOFFSET YOFFSET DISPLAY LINES RESTORE GSMLINES NEWLIMIT LINE NAME VALUES DELETE VALUE INSERT VALUE SAVE LIMITLINE SHIFTX LIMITLINE SHIFTY LIMITLINE DISPLAY LINE2 FREQUENCY LINE1 DISPLAY LINE1 FREQUENCY LINE2 TIME LINE1 TIME LINE2 FrequencyDomain Span 0Hz TimeDomain Span 0Hz ...

Page 122: ... FULL SCREEN REF LEVEL COUPLED CENTER B MARKER A CONFIG DISPLAY CENTER A MARKER B SCREEN TITLE ANNOTATION ON OFF LOGO ON OFF TIME DATE ON OFF DEFAULT COLORS 1 DEFAULT COLORS 2 PREDEFINED COLORS TINT SATURATION DISPLAY PWR SAVE BRIGHTNESS SELECT OBJECT DATA ENTRY OPAQUE REFERENCE INTERNAL ...

Page 123: ...Menu Overview R S FSMR 1166 3363 12 3 50 E 3 FILE Key ...

Page 124: ...R S FSMR Menu Overview 1166 3363 12 3 51 E 3 CAL Key CAL TOTAL CAL RESULTS CAL CORR ON OFF SETUP CAL CAL ABORT PAGE UP PAGE DOWN YIG CORR ON OFF ...

Page 125: ...Menu Overview R S FSMR 1166 3363 12 3 52 E 3 SETUP Key ...

Page 126: ... 3 HCOPY Key HCOPY COLOR ON OFF PRINT SCREEN PRINT TRACE PRINT TABLE DEVICE SETUP COMMENT INSTALL PRINTER PREDEFINED COLORS TINT SATURATION BRIGHTNESS SELECT OBJECT SCREEN COLORSET OPTIMIZED COLORS USER DEFINED COLORS SET TO DEFAULT DEVICE 1 2 ...

Page 127: ...Menu Overview R S FSMR 1166 3363 12 3 54 E 3 LOCAL Menu LOCAL ...

Page 128: ...R S FSMR Menu Overview 1166 3363 12 3 55 E 3 Menu Overview Ext Generator Control ...

Page 129: ...RCE ON OFF SOURCE POWER SOURCE CAL FREQUENCY OFFSET POWER OFFSET NETWORK CAL TRANS EXTAM EXTFM EXTI Q CALREFL SHORT CALREFL OPEN REFVALUE POSITION REFVALUE NORMALIZE RECALL MODULATION OFF MODULATION SAVEAS TRDFACTOR POWER SWEEP EXT SOURCE seeB10 POWERSWP ON OFF START POWER STOP POWER ...

Page 130: ...ntry abort 3 12 activate 3 15 3 26 correct 3 18 terminate 3 12 ESC key 3 12 EXT enhancement lable 3 7 F Frequency axis labelling 3 4 FRQ enhancement lable 3 7 Full screen 3 9 G GAT enhancement lable 3 7 Getting Started with the Instrument 1 16 GHz dBm key 3 12 H Hardware settings indication 3 3 Help line editor 3 21 Hz dB key 3 12 I IFOVL 3 5 Indication hardware settings 3 3 instrument settings 3 ...

Page 131: ... 3 6 R Rackmounting 1 17 RM trace info 3 6 S SA trace info 3 6 Screen 3 1 split screen 3 9 subdivision 3 2 Service Pack 1 21 Setting Up the Instrument 1 16 Settings indication 3 7 SGL enhancement lable 3 7 Sign key 3 12 Softkey area 3 10 Spinwheel 3 13 Split screen 3 9 Status information 3 5 IFOVL 3 5 OVEN 3 5 OVLD 3 5 UNCAL 3 5 Switching on off 1 18 T T1 T2 trace info 3 6 T1 T3 trace info 3 6 Tab...

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