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FM Stereo Option R&S

FSV–K7S

R&S

®

FSV-K7/K7S

222

Operating Manual 1176.7561.02 ─ 06

for percentage indication or

for indication in dB

for percentage indication or

for indication in dB

Diff.Freq.Distortion (On/Off) ← Diff.Freq.Distortion

Enables difference frequency distortion. The results are displayed in the summary
table with the function "DiffDist 2/3". The markers are indicated as "DFD2, DFD3".

Remote command:

CALCulate<n>:MARKer:FUNCtion:DFD[:STATe]

Unit (% / DB) ← Diff.Freq.Distortion

Sets the unit to percent or DB for differential frequency distortion.

Remote command:

CALCulate<n>:MARKer:FUNCtion:DFD:UNIT

Instrument Functions FM Stereo (R&S

FSV–K7S)

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Summary of Contents for FSV-K7

Page 1: ...R S FSV K7 K7S Analog Demodulation and FM Stereo Operating Manual Operating Manual Version 06 1176756102 2...

Page 2: ...te the differences described in Chapter 1 4 Notes for Users of R S FSV 1307 9002Kxx Models on page 9 R S FSV3 1307 9002K03 R S FSV7 1307 9002K07 R S FSV13 1307 9002K13 R S FSV30 1307 9002K30 R S FSV40...

Page 3: ...R S FSV 1307 9002Kxx Models 9 2 Analog Demodulation Option R S FSV K7 10 2 1 Instrument Functions Analog Demodulation 10 2 2 Softkeys of the Analog Demodulation option 26 2 3 Remote Commands of the An...

Page 4: ...Contents R S FSV K7 K7S 4 Operating Manual 1176 7561 02 06...

Page 5: ...trol a complete description of the remote control com mands with programming examples and information on maintenance instrument interfaces and error messages Includes the contents of the getting start...

Page 6: ...the instrument and deals with the specific char acteristics See www rohde schwarz com brochure datasheet FSV 1 1 7 Release Notes and Open Source Acknowledgment OSA The release notes list new features...

Page 7: ...The alternative procedure using the keys on the instrument or the on screen keyboard is only described if it deviates from the standard operating pro cedures The term select may refer to any of the de...

Page 8: ...igating in the table of contents To move through the displayed contents entries use the UP ARROW and DOWN ARROW keys Entries that contain further entries are marked with a plus sign To display a help...

Page 9: ...ions that are based on the Windows 10 operating system e g printing or set ting up networks may have a slightly different appearance or require different set tings on the Windows XP based models For s...

Page 10: ...re R S FSV K7 For all other descriptions please refer to the description of the base unit 2 1 Instrument Functions Analog Demodulation The digital signal processing in the R S FSVA FSV used in the ana...

Page 11: ...surement Results 20 2 1 10 Measurement Result Display 20 2 1 11 ASCII File Export Format 23 2 1 1 Circuit Description Block Diagrams The software demodulator runs on the main processor of the analyzer...

Page 12: ...Analog Demodulation Option R S FSV K7 R S FSV K7 K7S 12 Operating Manual 1176 7561 02 06 Figure 2 1 Block diagram of software demodulator Instrument Functions Analog Demodulation...

Page 13: ...ation bandwidth is not the 3 dB bandwidth but the useful bandwidth which is distortion free with regard to phase and amplitude Therefore the following formulas apply AM demodulation bandwidth 2 x modu...

Page 14: ...4288 s 1 6 MHz 2 MHz 500 ns 800 ms 800 ms 104 8576 s 800 kHz 1 MHz 1 s 1 6 s 1 6 s 209 7152 s 400 kHz 500 kHz 2 s 3 2 s 3 2 s 419 4304 s 200 kHz 250 kHz 4 s 6 4 s 6 4 s 838 8608 s 100 kHz 125 kHz 8 s...

Page 15: ...9 s 12 5 kHz 50 kHz 20 us 32 s 32 s 4194 30398 s 6 4 kHz 25 6 kHz 39 0625 us 62 5 s 62 5 s 8191 999961 s 3 2 kHz 12 8 kHz 78 125 us 125 s 125 s 16383 99992 s 1 6 kHz 6 4 kHz 156 25 us 250 s 250 s 3276...

Page 16: ...uency is exceeded or not attained 2 1 6 Configuring Traces 1 To open the trace wizard press the TRACE key and then the Trace Wizard soft key see Trace Wizard on page 61 Tip Context sensitive menus for...

Page 17: ...y modes in one step press the but ton for the required function Preset All Traces Trace 1 Clear Write Trace 2 6 Blank Select Max Avg Min Trace 1 Max Hold Trace 2 Average Trace 3 Min Hold Trace 4 6 Bla...

Page 18: ...ssed whereas a CW signal is recognized by its constant level This mode is not available for statistics measurements Remote command DISP TRAC MODE MINH see DISPlay WINDow n TRACe t MODE on page 110 Ave...

Page 19: ...ber of sweep points is 691 The following detectors are available Table 2 3 Detector types Detector Indicator Function Auto Peak Ap Determines the maximum and the minimum value within a measurement poi...

Page 20: ...the VBW value to ach ieve more stable trace curves even when using an RMS detector Normally if the RMS detector is used the sweep time should be increased to get more stable trace curves 2 1 9 Stabili...

Page 21: ...m can be calculated from the AM FM or PM signal in zero span SCPI command DISP WIND2 SEL Sets the focus on screen B CALC2 FEED XTIMe FM AFSPektrum2 see CALCulate n FEED on page 90 Displays an AF spect...

Page 22: ...t take up the entire width of the screen are displayed as tables if only half the screen width is available 2 windows next to each other the summary is dis played as a list Thus the factory set predef...

Page 23: ...i i i i U U dB THD In addition the following general information for the input signal is provided Carrier Power Carrier Offset Modulation Depth 2 1 11 ASCII File Export Format The data of the file he...

Page 24: ...tector type Data section scan ranges Scan 1 RF Att 10 000000 dB Attenuation applied in the scan range Auto Ranging OFF State of the auto ranging feature Meas Time 0 001000 s Measurement time in the sc...

Page 25: ...Hz Reference level Reference level offset X Axis LIN Scale of the x axis Trace mode CLR WRITE Trace mode SWT 0 002000 s Sweep time VBW 300000 000000 Hz Video bandwidth Y Axis LOG Scale of the y axis L...

Page 26: ...details see Importing and Exporting I Q Data in the base unit description To display help to a softkey press the HELP key and then the softkey for which you want to display help To close the help win...

Page 27: ...rence Value 34 AF Coupling AC DC 35 Deviation Lin Log 35 Unit 35 Phase Unit Rad Deg 35 THD Unit DB 35 Abs Dev Unit kHz dBm 36 Rel Dev Unit dB 36 Time Domain Zoom 36 State On Off 36 Start 36 Length Man...

Page 28: ...ferent type does not trigger a new measurement This menu is also displayed when you press the MEAS CONFIG key after changing the modulation type Remote command CALC FEED XTIM AM see CALCulate n FEED o...

Page 29: ...ry displays the data from trace 1 To change the trace use the Select Trace softkey Remote command DISP WIND2 STAT ON see DISPlay WINDow n STATe on page 109 Displays second window Screen B CALC2 FEED X...

Page 30: ...t display configurations Existing configurations with the default names are replaced Select Trace AM Opens an edit dialog box to enter the number of the trace for which the data is to be displayed in...

Page 31: ...activates the AF high pass filter Default is None The high pass filters are active in the following demodulation bandwidth range 20 Hz 100 Hz demodulation bandwidth 1 6 MHz 50 Hz 200 Hz demodulation b...

Page 32: ...ing AF Filter AM Opens the Weighting selection list to select the weighting AF filter None Weighting AF Filter AM Deactivates the weighting filter This is the default setting Remote command SENSe FILT...

Page 33: ...ation bandwidth range 100 kHz demodulation bandwidth 800 kHz Remote command SENSe FILTer n AWEighted STATe on page 149 SFM SENSe SFM ChannelType FILTer AWEighted STATe on page 237 Deemphasis AF Filter...

Page 34: ...n TRACe t Y SCALe PDIVision on page 112 Reference Position AF Range AM Determines the position of the reference line for the modulation depth or the phase deviation Analog Demodulation only or freque...

Page 35: ...not displayed symmetrically with respect to the zero line If AC is selected the frequency offset is automatically corrected i e the trace is always symmetric with respect to the zero line PM signal di...

Page 36: ...n page 36 and Length Manual Length Manual on page 36 Length Auto Length Auto on page 36 softkeys OFF If more measured values than measurement points are available several measured values are combined...

Page 37: ...ubmenu to set the measurement configuration The average value of the demodulated signal is mapped depending on the AF Coupling softkey setting see AF Coupling AC DC on page 35 In single sweep mode the...

Page 38: ...e 90 Display Config PM See Display Config on page 28 Select Trace PM See Select Trace on page 30 Demod BW PM See Demod BW on page 30 Meas Time PM See Meas Time on page 31 AF Filter PM See AF Filter on...

Page 39: ...tion In single sweep mode the data is determined from the current I Q data set i e a change to a different type does not trigger a new measurement This menu is also displayed when you press the MEAS C...

Page 40: ...AF Spectrum 41 Center 41 Manual 41 AF Center AF Spectrum 42 AF Start 42 AF Stop 42 Center Opens an edit dialog box to enter the center frequency The allowed range of values for the center frequency d...

Page 41: ...INK FACTor on page 155 x Span RF Spectrum CF Stepsize Opens an edit dialog box to set the step size for the center frequency as of the span Remote command SENSe FREQuency CENTer STEP LINK on page 154...

Page 42: ...y It is possible that your instrument configuration does not provide all softkeys If a softkey is only available with a special option model or measurement mode this information is delivered in the co...

Page 43: ...Mod SPECtrum SPAN ZOOM on page 142 AF Full Span AF Spectrum Sets the span to the maximum frequency range for the AF spectrum display The maxi mum frequency range corresponds to half the demodulation b...

Page 44: ...FM PM measurements see Chapter 2 1 10 Measurement Result Display on page 20 For details refer to the AF Range softkey of the main menu see AF Range on page 34 Range Only available for RF measurements...

Page 45: ...ay range to 1 dB Remote command Logarithmic scaling DISP WIND TRAC Y SPAC LOG see DISPlay WINDow n TRACe t Y SPACing on page 114 Display range DISP WIND TRAC Y 1DB see DISPlay WINDow n TRACe t Y SCALe...

Page 46: ...witches the preamplifier on and off If option R S FSV B22 is installed the preamplifier is only active below 7 GHz If option R S FSV B24 is installed the preamplifier is active for all frequencies Thi...

Page 47: ...utomatically This function is not available for input from the R S Digital I Q Interface option R S FSV B17 To define the mechanical attenuation use the RF Atten Manual Mech Att Manual or RF Atten Aut...

Page 48: ...Set on page 113 Ref Level Position Opens an edit dialog box to enter the reference level position i e the position of the maximum AD converter value on the level axis The setting range is from 200 to...

Page 49: ...ide all softkeys If a softkey is only available with a special option model or measurement mode this information is pro vided in the corresponding softkey description Adjusting settings automatically...

Page 50: ...submenu to define settings for automatic leveling Possible settings are Meas Time Manual on page 50 Meas Time Auto on page 50 Meas Time Manual Settings Opens an edit dialog box to enter the duration o...

Page 51: ...le in the Bandwidth menu in Analog Demodulation mode BW key It is possible that your instrument configuration does not provide all softkeys If a softkey is only available with a special option model o...

Page 52: ...ulation in common Individual settings are not possible High Pass AF Filter Opens the High Pass selection list to switch on a high pass filter with the given limit to separate the DC component The filt...

Page 53: ...on bandwidths None deactivates the AF low pass filter Default is None Remote command SENSe FILTer n LPASs STATe on page 152 SENSe FILTer n LPASs FREQuency ABSolute on page 152 SENSe FILTer n LPASs FRE...

Page 54: ...tive at all times as the demodulation range is always 400 kHz Remote command SENSe FILTer n CCIR WEIGhted STATe on page 150 SFM SENSe SFM ChannelType FILTer CCIR WEIGhted STATe on page 238 A Weighted...

Page 55: ...lter is used in Analog Demodulation mode However in order to optimize the settling behaviour of the filter a Gaussian filter can be used instead For details on sample rates measurement times and trigg...

Page 56: ...e previously recorded measurements into account for averaging maximum search Remote command INITiate n CONMeas on page 185 Meas Time Opens an editor for entering the measurement time of the analog dem...

Page 57: ...ime Remote command SENSe ADEMod CAPTure MODE on page 121 Capture Time Defines the size of the capture buffer for analog demodulation if Capture Mode is set to Manual The maximum capture buffer size is...

Page 58: ...ially useful with modulated or pulsed signals The signal spectrum is filled up upon each sweep until all signal components are detected in a kind of enve lope This mode is not available for statistics...

Page 59: ...e DISPlay WINDow n TRACe t MODE on page 110 Blank Trace 1 Trace 2 Trace 3 Trace 4 Trace 5 Trace 6 Hides the selected trace Remote command DISP TRAC OFF see DISPlay WINDow n TRACe t STATe on page 111 D...

Page 60: ...ails see Chapter 2 1 8 Detector Overview on page 19 Remote command DET POS see SENSe WINDow DETector trace FUNCtion on page 159 Negative Peak Detector Trace 1 Trace 2 Trace 3 Trace 4 Trace 5 Trace 6 S...

Page 61: ...he CISPR Average detector The CISPR Average detector is available with option R S FSV K54 For details see Chapter 2 1 8 Detector Overview on page 19 Remote command DET CAV see SENSe WINDow DETector tr...

Page 62: ...data is converted back into its original unit This softkey takes effect if the grid is set to a linear scale see Range Linear softkey Range Linear on page 45 In this case the averaging is done in two...

Page 63: ...tion programs may require a different handling of the decimal point It is there fore possible to select between separators decimal point and comma using the Decim Sep softkey see Decim Sep on page 63...

Page 64: ...uence SOURce on page 167 External Trigger Source Defines triggering via a TTL signal at the EXT TRIG GATE IN input connector on the rear panel Remote command TRIG SOUR EXT see TRIGger n SEQuence SOURc...

Page 65: ...ncy is 20 MHz The R S FSVA FSV is trig gered as soon as the trigger level is exceeded within a 10 MHz range around the selected frequency start frequency in the frequency sweep Thus the measurement of...

Page 66: ...ty of the trigger source The sweep starts after a positive or negative edge of the trigger signal The default set ting is Pos The setting applies to all modes with the exception of the Free Run and Ti...

Page 67: ...d 50 dB with a step width of 1 dB Remote command TRIGger n SEQuence IFPower HYSTeresis on page 164 Trigger Holdoff Defines the value for the trigger holdoff The holdoff value in s is the time which mu...

Page 68: ...tkey If marker 1 is the active marker pressing the Marker Norm Delta softkey switches on an additional delta marker Remote command CALCulate n MARKer m STATe on page 104 CALCulate n MARKer m X on page...

Page 69: ...ive marker or a fixed reference marker FXD see Ref Fixed on page 72 Trace Trace for which the marker is to be set Remote command CALCulate n MARKer m STATe on page 104 CALCulate n DELTamarker m STATe...

Page 70: ...knob Marker 1 Marker 2 Marker 3 Marker 16 Marker Norm Delta softkeys see Marker 1 Marker 2 Marker 3 Marker 16 Marker Norm Delta on page 68 If more measured values than measurement points exist it is...

Page 71: ...late n MARKer m FUNCtion ZOOM on page 95 Link Mkr1 and Delta1 The delta marker 1 is linked to marker 1 so if the x axis value of the marker 1 is changed the delta marker 1 will follow on the same x po...

Page 72: ...g the current values of the reference marker marker 1 as reference point for the delta markers level and frequency or time are set to fixed values and used as reference point Ref Fixed On Off Ref Fixe...

Page 73: ...fer ence marker If a negative value e g for notch filter measurements is entered the markers T1 and T2 are placed above the active reference marker Marker T1 is placed to the left and marker T2 to the...

Page 74: ...rting in ascending order of the level Remote command CALCulate n MARKer m FUNCtion FPEaks SORT on page 99 Max Peak Count Marker Peak List Defines the maximum number of peaks to be determined and displ...

Page 75: ...scaling parameters and a data sec tion containing the marker data For details on an ASCII file see Chapter 2 1 11 ASCII File Export Format on page 23 This format can be processed by spreadsheet calcu...

Page 76: ...ull Scale Level 78 Level Unit 78 Adjust Reference Level to Full Scale Level 78 EXIQ 78 TX Settings 79 RX Settings 79 Send To 79 Firmware Update 79 R S Support 79 DigIConf 79 Digital IQ Info 80 Input A...

Page 77: ...the Additional Interfaces option R S FSV B5 only to low or high Thus you can trigger an additional device via the external trigger port for example Remote command OUTPut TRIGger on page 184 External...

Page 78: ...correspond to an I Q sample with the magnitude 1 The level can be defined either in dBm or Volt Remote command INPut DIQ RANGe UPPer on page 179 Level Unit Signal Source Defines the unit used for the...

Page 79: ...hen you select the softkey the firmware update is performed R S Support EXIQ Stores useful information for troubleshooting in case of errors This data is stored in the C R_S Instr user Support directo...

Page 80: ...X IDN Result Rohde Schwarz DigIConf 02 05 436 Build 47 Example 2 SOURce EBOX USER CLOCk REFerence FREQuency 5MHZ Defines the frequency value of the reference clock Digital IQ Info Displays a dialog bo...

Page 81: ...ibed in Chap ter 2 3 2 CALCulate Subsystem Analog Demodulation R S FSV K7 on page 85 INITiate subsystem INPut subsystem OUTput subsystem Subsystems of the Analog Demodulation R S FSV K7 2 3 1 Notation...

Page 82: ...TPut subsystem 183 2 3 10 5 Other Commands 184 2 3 1 Notation In the following sections all commands implemented in the instrument are first listed and then described in detail arranged according to t...

Page 83: ...ptions are required Upper Lower Case Notation Upper lower case letters are used to mark the long or short form of the key words of a command in the description The instrument itself does not distingui...

Page 84: ...pt two states on and off The off state may either be indicated by the keyword OFF or by the numeric value 0 the on state is indicated by ON or any numeric value other than zero Parameter queries are a...

Page 85: ...ation mode Commands of the CALCulate MARKer FUNCtion ADEMod Subsystem CALCulate n MARKer FUNCtion ADEMod AFRequency RESult t 85 CALCulate n MARKer FUNCtion ADEMod AM RESult t 86 CALCulate n MARKer FUN...

Page 86: ...his command queries the results of the AM modulation measurement Suffix n 1 4 irrelevant t 1 6 trace 1 2 3 4 5 or 6 Parameters Result The result of the selected measurement type is returned Query para...

Page 87: ...RFP see CALCulate n FEED on page 90 Switches on RF power result display CALC MARK FUNC ADEM CARR Queries the carrier power Usage Query only Mode ADEMOD CALCulate n MARKer FUNCtion ADEMod FERRor RESult...

Page 88: ...mand queries the results of FM modulation measurement Suffix n 1 4 irrelevant t 1 6 trace 1 2 3 4 5 or 6 Parameters Result The result of the selected measurement type is returned Query parameters Meas...

Page 89: ...Eak MPEak MIDDle RMS PPEak Measurement with detector Pluspeak PK MPEak Measurement with detector MinusPeak PK MIDDle Averaging PK 2 RMS RMS measurement Example ADEM ON see SENSe ADEMod STATe on page 1...

Page 90: ...ee SENSe ADEMod STATe on page 121 Switches on analog demodulator CALC FEED XTIM FM AFSP see CALCulate n FEED on page 90 Switches on AF spectrum of FM DISP TRAC ON see DISPlay WINDow n TRACe t STATe on...

Page 91: ...IMe SFM MONO XTIMe SFM STEReo XTIMe SFM RDS XTIMe SFM PILot XTIM AM RELative TDOMain Demodulated AM signal in time domain XTIM AM RELative AFSPectrum 1 6 AF spectrum of the demodulated AM signal XTIM...

Page 92: ...ectrum of FM stereo signal XFRequency SFM PILot Pilot channel spectrum of FM stereo signal XTIMe SFM LEFT Left channel of FM stereo signal in time domain XTIMe SFM RIGHt Right channel of FM stereo sig...

Page 93: ...1 4 irrelevant Parameters Limitation PHASe UPHase PHASe Limitation to 180 UPHase Unwrapped RST UPHase Example CALC FORM PHAS Activates the limitation to 180 Usage SCPI confirmed Mode ADEMOD Manual op...

Page 94: ...ate This command turns labels for peaks found during a peak search on and off The labels correspond to the marker number in the marker peak list Suffix n Selects the measurement window m Selects the m...

Page 95: ...nd switches the phase noise measurement for the specified marker on or off in the specified window The phase noise power density is measured at the position of the markers The result can be queried wi...

Page 96: ...DisplayType Links the markers in all displays of the specified type Suffix n 1 4 window m 1 16 marker Parameters DisplayType TIME SPECtrum BOTH NONE TIME Links the markers in all time domain diagrams...

Page 97: ...eshold line for the marker peak search on and off Suffix n irrelevant Parameters State ON OFF RST OFF Example CALC THR STAT ON Switches on the threshold line Manual operation See Threshold on page 75...

Page 98: ...nced CALCulate Commands CALCulate n MARKer m AOFF This command all markers off including delta markers and marker measurement func tions Suffix n Selects the measurement window m depends on mode irrel...

Page 99: ...position on the x axis Y Sorts the peaks according to decreasing position on the y axis Example CALC MARK FUNC FPE SORT Y Sets the sort mode to decreasing y values Manual operation See Sort Mode Freq...

Page 100: ...sort order that has been set with CALCulate n MARKer m FUNCtion FPEaks SORT on page 99 The number of peaks on the number that has been set with CALCulate n MARKer m FUNCtion FPEaks COUNt Suffix n Sele...

Page 101: ...MARKer m FUNCtion NDBDown FREQuency This command queries the position of the n dB down markers on the x axis when mea suring in the frequency domain To get a valid result you have to perform a comple...

Page 102: ...stance of the n dB down markers from each other To get a valid result you have to perform a complete measurement with synchroniza tion to the end of the measurement before reading out the result This...

Page 103: ...t a valid result you have to perform a complete measurement with synchroniza tion to the end of the measurement before reading out the result This is only possible for single sweeps Suffix n Selects t...

Page 104: ...n is the distance to a trace maximum that must be attained before a new maximum is recognized or the distance to a trace minimum that must be attained before a new minimum is recognized RST 6dB in Spe...

Page 105: ...marker is positioned on Example CALC MARK3 TRAC 2 Assigns marker 3 to trace 2 Manual operation See Marker to Trace on page 68 See Marker Wizard on page 68 CALCulate n MARKer m X Position This command...

Page 106: ...limit function on CALC MARK X SLIM LEFT 10MHz Sets the left limit of the search range to 10 MHz Manual operation See Left Limit on page 74 CALCulate n MARKer m X SLIMits RIGHT Limit This command sets...

Page 107: ...f the rotary knob for marker or delta marker value changes It only takes effect in manual operation The marker step size is unavailable for statistical measurements Suffix n irrelevant m irrelevant Pa...

Page 108: ...window m Selects the marker Return values Result The measured value of the selected marker is returned Example INIT CONT OFF Switches to single sweep mode CALC MARK2 ON Switches marker 2 INIT WAI Sta...

Page 109: ...e ON Marker table is displayed OFF Marker table is not displayed AUTO Marker table is only displayed if 2 or more markers are active RST AUTO Example To activate the table display DISP MTAB ON To quer...

Page 110: ...m 2 Result list Example DISP WIND2 SUBW2 SEL Switches the focus area to the result list in screen B DISP WIND2 SSEL Result 2 Usage Query only SCPI confirmed Mode ADEMOD DISPlay WINDow n TRACe t MODE M...

Page 111: ...al operation See Clear Write on page 17 See Max Hold on page 18 See Min Hold on page 18 See Average on page 18 See View on page 18 DISPlay WINDow n TRACe t STATe State This command switches on or off...

Page 112: ...Dow n TRACe t Y SCALe MODE Mode This command selects the type of scaling of the y axis When SYSTem DISPlay UPDate is turned off this command has no immediate effect on the screen Suffix n window For a...

Page 113: ...the value range of the reference level is modified by the offset Suffix n irrelevant t irrelevant Parameters ReferenceLevel The unit is variable Range see datasheet RST 10dBm Example DISP TRAC Y RLEV...

Page 114: ...on page 48 DISPlay WINDow n TRACe t Y SCALe RVALue Value This command defines the reference value assigned to the reference position in the specified window Separate reference values are maintained fo...

Page 115: ...on page 45 See Range Log 5 dB on page 45 See Range Log 1 dB on page 45 See Range Log Manual on page 45 See Range Linear on page 45 See Range Lin Unit on page 46 DISPlay WSELect Queries the currently...

Page 116: ...SFM 2 3 5 PROBe subsystem With firmware R S FSVA FSV 1 61SP2 or newer active probes are supported via an adapter The following commands activate and configure a connected probe which is to provide an...

Page 117: ...ted to the instrument s RF Input and USB connectors and was recognized by the R S FSVA FSV Example PROB SET STAT ON Usage Query only PROBe STATe State This command activates a connected probe Use this...

Page 118: ...will be obtained AVERage The trace results will be averaged over the given of measurements MAXHold The maximum trace result values will be obtained over the given of measurements MINHold The minimum...

Page 119: ...ENSe ADEMod n AF COUPling 122 SENSe ADEMod n AF SPAN 122 SENSe ADEMod n AF SPAN FULL 123 SENSe ADEMod n AF STARt 123 SENSe ADEMod n AF STOP 124 SENSe ADEMod AM ABSolute TDOMain RESult 125 SENSe ADEMod...

Page 120: ...e MODE is set to manual mode All results are recalculated automatically based on the new data Parameters Time RST 0 Example ADEM CAPT MAN Activates the manual capture buffer processing mode ADEM CAPT...

Page 121: ...command RST AUTO Example ADEM CAPT MAN Activates the manual capture buffer processing mode Mode ADEMOD Manual operation See Capture Mode on page 57 SENSe ADEMod STATe State This command activates the...

Page 122: ...on page 122 Sets the AF span Mode ADEMOD Manual operation See AF Center AF Spectrum on page 42 SENSe ADEMod n AF COUPling Coupling This command selects the coupling of the AF path of the analyzer in t...

Page 123: ...for AF spectrum result display The maximum span corresponds to half the measurement bandwidth of analog demod ulation SENSe ADEMod BANDwidth BWIDth DEModulation on page 129 Suffix n 1 4 irrelevant Ex...

Page 124: ...This command sets the stop frequency for AF spectrum result display The stop frequency is limited to half the measurement bandwidth of analog demodula tion SENSe ADEMod BANDwidth BWIDth DEModulation o...

Page 125: ...n page 118 Example ADEM SET 8MHz 32000 EXT POS 500 30 Sets up demodulator parameters ADEM AM AVER MAXH MINH Sets up AM results to be measured ADEM ON Switches on demodulator INIT WAI Starts measuremen...

Page 126: ...F OFF OFF OFF OFF FM Stereo OFF OFF OFF OFF OFF OFF Example ADEM AM REL AVER MAXH MINH Determines average max hold and min hold values simultane ously ADEM AM REL WRIT OFF OFF Determines only the curr...

Page 127: ...TYPE TraceMode This command selects the AF spectrum result types of the AM demodulated signal to be measured simultaneously Note in FM stereo mode option K7S only those traces can be measured that ar...

Page 128: ...details on trace modes see Chapter 2 3 6 1 Trace Mode Result Types on page 118 Example ADEM SET 8MHz 32000 EXT POS 500 30 Sets the demodulator ADEM FM AVER MAXH MINH Selects the FM results to be measu...

Page 129: ...Instrument Functions section Analog Demodula tion Option K7 Chapter 2 1 3 Sample Rate Measurement Time and Trigger Offset on page 13 Example ADEM BAND DEM 1MHz Sets the demodulation bandwidth to 1 MH...

Page 130: ...ADEMod FM TDOMain TYPE on page 129 Otherwise a query error will be generated Return values ASCII Format FORMat ASCII or Binary Format FORMat REAL 32 for details see Chapter 2 3 6 2 Formats for Return...

Page 131: ...current measurement results ADEM FM AFSP OFF OFF OFF Switches calculation of AF spectrum off Mode ADEMOD SENSe ADEMod FM AFSPectrum RESult Type This command reads out the AF spectrum result data of th...

Page 132: ...DATA on page 184 Selects output format ADEM FM RES AVER see SENSe ADEMod FM TDOMain RESult on page 130 Reads FM average result data ADEM FM RES MAXH see SENSe ADEMod FM TDOMain RESult on page 130 Rea...

Page 133: ...Mod FM OFFSet on page 132 will return a correct result data to calculate the off set are taken from the last measured data set SENSe ADEMod FM OFFSet AVERage will cause a query error in this case Exam...

Page 134: ...hes the PM demodulator off Mode ADEMOD SENSe ADEMod PM TDOMain RESult Type This command reads the result data of the PM demodulation for the specified result type The data format of the output data is...

Page 135: ...ADEM PM RES MINH Reads the PM minhold result data ADEM AM RES WRIT Reads the current AM result data Mode ADEMOD SENSe ADEMod PM AFSPectrum TYPE Type This command selects the AF spectrum result types o...

Page 136: ...AVERage MAXHold MINHold for details see Chapter 2 3 6 1 Trace Mode Result Types on page 118 The specified result type must be one of those configured with the SENSe ADEMod PM AFSPectrum TYPE on page...

Page 137: ...PM RES AVER see SENSe ADEMod PM AFSPectrum RESult on page 136 Reads PM average result data ADEM PM RES MAXH see SENSe ADEMod PM AFSPectrum RESult on page 136 Reads PM maxhold result data ADEM PM RES M...

Page 138: ...s are taken from the A D converter and stored in I Q memory Allowed range refer to Sample Rate Measurement Time and Trigger Offset Note for FM stereo measurements K7S option the sample rate is always...

Page 139: ...to 32767 RST 0 Example ADEM SET 8MHz 32000 EXT POS 500 30 Performs a measurement at sample rate 8 MHz record length 32000 trigger source EXTernal trigger slope POSitive offset samples 500 500 samples...

Page 140: ...witches on the RF spectrum result display or CALC FEED XTIM FM AFSP see CALCulate n FEED on page 90 Switches on the AF spectrum result display of FM signal ADEM SPEC BAND 61 2kHz Sets the resolution b...

Page 141: ...T Reads spectrum current results Mode ADEMOD SENSe ADEMod SPECtrum SPAN MAXimum FreqRange This command sets the maximum frequency range for displaying the RF spectrum that was determined from the FM d...

Page 142: ...N MAX 5 MHz see SENSe ADEMod SPECtrum SPAN MAXimum on page 141 Sets the maximum span to 5 MHz ADEM SPEC SPAN ZOOM 1 MHz Sets displayed span to 1 MHz Mode ADEMOD Manual operation See Span Manual RF Spe...

Page 143: ...Te State The command enables or disables the zoom function for the analog demodulated mea surement data in the specified window Depending on the selected measurement time and the demodulation bandwidt...

Page 144: ...meters Time RST 0 s 0 s to measurement time default number of sweep points in Spectrum mode 1 1 sample rate Example ADEM ZOOM STAT ON see SENSe ADEMod n ZOOM STATe on page 143 Switches on the zoom fun...

Page 145: ...gth Auto on page 36 2 3 6 4 SENSe ADJust Subsystem The ADJust subsystem controls automatic definition of frequency and level settings SENSe ADJust ALL 145 SENSe ADJust CONFiguration HYSTeresis LOWer 1...

Page 146: ...RST 1 dB Default unit dB Example SENS ADJ CONF HYST UPP 2 For an input signal level of currently 20 dBm the reference level will only be adjusted when the signal level rises above 22 dBm Manual operat...

Page 147: ...Mode ADEMOD SFM Manual operation See AF Auto Scale on page 51 2 3 6 5 SENSe BANDwidth Subsystem Analog Demodulation R S FSV K7 This subsystem controls the setting of the instruments filter bandwidths...

Page 148: ...modulation in common Using the commands in the SENSe FILTer subsystem you can define filter settings for each window individually Note however that if the same modulation type is used in several windo...

Page 149: ...A Weighted on page 33 Suffix n 1 4 window Parameters State ON OFF RST OFF Example FILT AWE ON Activates the A weighting filter Mode ADEMOD Manual operation See A Weighted on page 33 SENSe FILTer n CCI...

Page 150: ...page 32 SENSe FILTer n CCIR WEIGhted STATe State This command activates deactivates the weighted CCIR filter in the specified window For details on the weighted CCIR filter see CCIR Weighted on page 3...

Page 151: ...Deemphasis 25 us 50 us 75 us 750 us RST 50 us Example FILT DEMP TCON 750us Selects the deemphasis for the demodulation bandwidth range from 800 Hz to 4 MHz with a time constant of 750 s Mode ADEMOD Ma...

Page 152: ...de ADEMOD Manual operation See High Pass on page 31 SENSe FILTer n LPASs STATe State This command activates deactivates the selected low pass filter in the specified win dow For details on the low pas...

Page 153: ...1 4 window Parameters FilterType 5PCT 10PCT 25PCT RST 25PCT Example FILT LPAS FREQ 25PCT Selects the low pass filter as 25 of the demodulation band width Mode ADEMOD Manual operation See Low Pass on p...

Page 154: ...e center frequency step size to the span or the resolution bandwidth Parameters CouplingType SPAN Couples the step size to the span Available for measurements in the frequency domain for RF spectrum r...

Page 155: ...AF Spectrum on page 41 2 3 6 8 SENSe SWEep Subsystem Analog Demodulation R S FSV K7 The SENSe SWEep subsystem controls the sweep parameters SENSe SWEep COUNt 155 SENSe SWEep EGATe HOLDoff 156 SENSe S...

Page 156: ...tting applies both to the edge of an edge triggered signal and the level of a level triggered signal Parameters Polarity POSitive NEGative RST POSitive Example SWE EGAT POL POS Manual operation See Tr...

Page 157: ...n and IQ mode measurements EDGE The gate is edge triggered After detection of the set gate signal edge the gate remains open until the gate delay SENSe SWEep EGATe HOLDoff has expired RST EDGE Example...

Page 158: ...ects the measurement window Parameters NoMeasurements 0 to 32767 RST 0 Example SWE CONT OFF Switching to single sweep mode AVER COUN 16 Sets the number of measurements to 16 AVER STAT ON Switches on t...

Page 159: ...o Chapter 2 1 8 Detector Over view on page 19 Example DET POS Sets the detector to positive peak Manual operation See Auto Peak on page 60 See Positive Peak on page 60 See Negative Peak on page 60 See...

Page 160: ...RACE3 TRACE4 TRACE5 TRACE6 Selects the type of result to be returned TRACE1 TRACE6 The query returns a list of results with one value for each sweep point in the currently set level unit For details s...

Page 161: ...ing point format Reading out data in binary format is quicker than in ASCII format Thus binary format is recommended for large amounts of data Binary Format FORMat REAL 32 The command reads out binary...

Page 162: ...9430400 values 200Ms I and 200Ms Q values value x 4 Byte values must be interpreted as float 2 3 8 TRIGger Subsystem Analog Demodulation R S FSV K7 The TRIGger subsystem is used to synchronize instrum...

Page 163: ...ff TIME Delay This command defines the length of the trigger delay A negative delay time pretrigger can be set in zero span only Suffix n irrelevant Parameters Delay Range zero span sweeptime see data...

Page 164: ...s trigger source For triggering with AF AM AMRelative FM and PM trigger sources to be successful the measurement time must cover at least 5 periods of the audio signal Suffix n irrelevant Parameters L...

Page 165: ...nals are used as trigger source For triggering with AF AM AMRelative FM and PM trigger sources to be successful the measurement time must cover at least 5 periods of the audio signal Suffix n irreleva...

Page 166: ...n SEQuence LEVel PM Level The command sets the level when PM modulated signals are used as trigger source For triggering with AF AM AMRelative FM and PM trigger sources to be successful the measureme...

Page 167: ...Type POSitive NEGative RST POSitive Example TRIG SLOP NEG Manual operation See Trigger Polarity on page 66 TRIGger n SEQuence SOURce Source This command selects the trigger source For triggering with...

Page 168: ...I Q Interface option R S FSV B17 only The assignment of the general purpose bits used by the Digital IQ trigger to the LVDS connector pins is provided in Table 2 5 VIDeo Video mode is only available i...

Page 169: ...o LVDS connector pins Bit LVDS pin GP0 SDATA4_P Trigger1 GP1 SDATA4_P Trigger2 GP2 SDATA0_P Reserve1 GP3 SDATA4_P Reserve2 GP4 SDATA0_P Marker1 GP5 SDATA4_P Marker2 2 3 9 UNIT Subsystem Analog Demodul...

Page 170: ...he delta marker functions of the instrument CALCulate n DELTamarker m FUNCtion FIXed RPOint MAXimum PEAK 170 CALCulate n DELTamarker m FUNCtion FIXed RPOint X 171 CALCulate n DELTamarker m FUNCtion FI...

Page 171: ...eference for delta marker 2 Suffix n Selects the measurement window m Selects the marker Parameters Reference Numeric value that defines the horizontal position of the refer ence For frequency domain...

Page 172: ...ies to all delta markers as long as the function is active Suffix n Selects the measurement window m Selects the marker Parameters State ON OFF RST OFF Example CALC DELT FUNC FIX ON Switches on the me...

Page 173: ...late n DELTamarker m FUNCtion PNOise AUTO State This command turns an automatic peak search for the fixed reference marker at the end of a sweep on and off Suffix n Selects the measurement window m ir...

Page 174: ...are relative to marker 2 Manual operation See Marker Wizard on page 68 CALCulate n DELTamarker m STATe State This command turns delta markers on and off If the corresponding marker was a normal marker...

Page 175: ...quency or sweep time Example CALC DELT X Outputs the absolute frequency time of delta marker 1 Manual operation See Marker 1 Marker 2 Marker 3 Marker 16 Marker Norm Delta on page 68 CALCulate n DELTam...

Page 176: ...in the units below Table 2 6 Analog demodulation measurements Parameter measuring function or result display Output unit AM result display R S FSV K7 lin dB log FM result display R S FSV K7 Hz lin dB...

Page 177: ...e step attenuator is coupled to the reference level of the instrument If the attenuation is programmed directly the coupling to the reference level is switched off This function is not available if th...

Page 178: ...er face R S FSV B17 in the description of the base unit Return values ConnState Defines whether a device is connected or not 0 No device is connected 1 A device is connected DeviceName Device ID of th...

Page 179: ...command is only available if the optional R S Digital I Q Interface option R S FSV B17 is installed For details see the R S Digital I Q Interface R S FSV B17 description of the base unit Parameters St...

Page 180: ...Parameters Level V dBm dBpW W dBmV dBuV dBuA A RST Volt Example INP DIQ RANG UNIT A Mode IQ VSA EVDO CDMA WCDMA GSM ADEMOD TDS Manual operation See Level Unit on page 78 INPut DIQ SRATe SampleRate Thi...

Page 181: ...F Example INP1 EATT 10 dB Mode all Manual operation See El Atten Mode Auto Man on page 47 INPut EATT AUTO State This command switches the automatic behaviour of the electronic attenuator on or off If...

Page 182: ...in series to the input impedance of the instrument The correction value in this case is 1 76 dB 10 log 75 50 This function is not available if the R S Digital I Q Interface R S FSV B17 is active Param...

Page 183: ...mal separator decimal point or comma for floating point numerals contained in the file is defined with the FORMat DEXPort DSEParator command see FORMat DEXPort DSEParator on page 185 Suffix n window F...

Page 184: ...Trigger Out port Thus you can trigger an additional device via the external trigger port for example Parameters PortLevel LOW HIGH RST LOW Example OUTP TRIG HIGH Manual operation See Trigger Out on p...

Page 185: ...XP DSEP POIN Sets the decimal point as separator Manual operation See ASCII Trace Export on page 63 See Decim Sep on page 63 See ASCII File Export on page 75 DIAGnostic n SERVice NSOurce State This co...

Page 186: ...WAI Continues the measurement next 20 sequences and waits for the end Manual operation See Continue Single Sweep on page 56 INITiate n CONTinuous State This command determines whether the trigger sys...

Page 187: ...fix n irrelevant Example INIT CONT OFF Switches to single sweep mode DISP WIND TRAC MODE AVER Switches on trace averaging SWE COUN 20 Setting the sweep counter to 20 sweeps INIT WAI Starts the measure...

Page 188: ...fined for the FM Stereo option This part of the documentation includes only additional functions of the Application Firmware R S FSV K7S For all other descriptions please refer to the description of t...

Page 189: ...play help To close the help window press the ESC key For further informa tion refer to Chapter 1 3 How to Use the Help System on page 7 Further Information Chapter 2 1 3 Sample Rate Measurement Time a...

Page 190: ...n page 90 RF Spectrum Selects the display of the RF signal in span 0 In contrast to normal spectrum analyzer operation the measured values are determined using FFT from the recor ded I Q data set SCPI...

Page 191: ...tion functions for all channels in a table Summaries that take up the entire width of the screen are displayed as tables if only half the screen width is available 2 windows next to each other the sum...

Page 192: ...m span are considered up to the tenth harmonic 1 2 2 2 log 20 i i i i U U dB THD In addition the following general information for the input signal is provided Carrier Power Carrier Frequency Referenc...

Page 193: ...03 Time Domain Zoom 203 State On Off 203 Start 204 Length Manual 204 Length Auto 204 Time per Division 204 Squelch 204 Squelch Level 204 Right 205 MPX 205 Mono 205 Stereo 205 RDS 205 Pilot 205 RF Powe...

Page 194: ...ype of FM stereo diagram is displayed each mea surement type can be displayed either in the time domain or as a spectrum Note Summaries that take up the entire width of the screen are displayed as tab...

Page 195: ...ed Display Config Left Applies the currently selected configuration from the list to the current display Remove Predefined Display Config Left Removes the currently selected configuration from the lis...

Page 196: ...ry for an FM stereo measurement In the General Settings area you define the Reference Deviation for all summaries manually Alternatively you can determine the reference deviation from one of the chann...

Page 197: ...the default setting Peak Hold The peak values are determined over several sweeps and displayed Average The average is formed over several sweeps Remote command SENSe SFM ChannelType RSUMmary MODE on p...

Page 198: ...the given limit to separate the DC component The filters are indicated by the 3 dB cutoff frequency The 50 Hz and 300 Hz filters are designed as 2nd order Butterworth filter 12 dB octave The 20 Hz fi...

Page 199: ...s 400 kHz Relative low pass filters The filters 3 dB can be selected in of the demodulation bandwidth The filters are designed as 5th order Butterworth filter 30 dB octave and active for all demodulat...

Page 200: ...ter is active in the following demodulation bandwidth range 100 kHz demodulation bandwidth 3 0 MHz For FM stereo K7S the filter is active at all times as the demodulation range is always 400 kHz Remot...

Page 201: ...nt on page 239 Coupled AF Filter Left All channels for which this option is enabled are configured identically i e the channel settings are coupled If you change the settings for one coupled channel t...

Page 202: ...cy phase offsets into account in contrast the AF Coupling AC DC softkey permits automatic correction by the average fre quency phase offset of the signal and can therefore not be activated simultane o...

Page 203: ...170 THD Unit DB Unit AF Range Left Sets the unit to percent or DB for THD measurements Remote command UNIT THD on page 170 Abs Dev Unit kHz dBm Unit AF Range Left Sets the unit for absolute deviation...

Page 204: ...and SENSe ADEMod n ZOOM LENGth MODE on page 145 Time per Division Left This function enables the Time Domain Zoom function and defines the zoom area length in one step The width of the zoom display is...

Page 205: ...al of the FM stereo input Left channel Right channel and the Stereo submenu which is identical to the Left submenu see Left on page 193 Remote command CALCulate n FEED on page 90 RDS Displays the RDS...

Page 206: ...nual 209 RF Atten Auto Mech Att Auto 210 El Atten On Off 210 El Atten Mode Auto Man 210 Ref Level Offset 211 Input AC DC 211 Input 50 75 211 Ref Level Opens an edit dialog box to enter the reference l...

Page 207: ...odulation depth or the phase deviation Analog Demodulation only or the frequency deviation at the reference line of the y axis The reference value is set separately for each display of the AM FM and P...

Page 208: ...Switches between logarithmic and linear display of the modulation depth or the phase deviation Analog Demodulation only or the frequency deviation Remote command DISPlay WINDow n TRACe t Y SPACing on...

Page 209: ...alled the preamplifier is active for all frequencies This function is not available for input from the R S Digital I Q Interface option R S FSV B17 Remote command INPut GAIN STATe on page 181 RF Atten...

Page 210: ...ech Att Auto softkeys To define the electronic attenuation use the El Atten Mode Auto Man softkey Note This function is not available for stop frequencies or center frequencies in zero span 7 GHz In t...

Page 211: ...upling This function is not available for input from the R S Digital I Q Interface option R S FSV B17 Remote command INPut COUPling on page 178 Input 50 75 Uses 50 or 75 as reference impedance for the...

Page 212: ...ADEMod MTIMe on page 133 AF Filter The bandwidth of the demodulated signal can be reduced by high pass or low pass fil ters and also a de emphasis can be switched on The selected filters are used for...

Page 213: ...h 8 MHz Note for FM stereo K7S all filters are active at all times as the demodulation range is always 400 kHz Relative low pass filters The filters 3 dB can be selected in of the demodulation bandwid...

Page 214: ...es on the CCIR weighted filter The weighting filter is active in the following demodulation bandwidth range 100 kHz demodulation bandwidth 3 0 MHz For FM stereo K7S the filter is active at all times a...

Page 215: ...Se FILTer n DEMPhasis TCONstant on page 151 SFM SENSe SFM ChannelType FILTer DEMPhasis STATe on page 239 SENSe SFM ChannelType FILTer DEMPhasis TCONstant on page 239 All AF Filter Off AF Filter Disabl...

Page 216: ...OURce on page 167 External Trigger Source Defines triggering via a TTL signal at the EXT TRIG GATE IN input connector on the rear panel Remote command TRIG SOUR EXT see TRIGger n SEQuence SOURce on pa...

Page 217: ...bandwidth at the intermediate frequency is 20 MHz The R S FSVA FSV is trig gered as soon as the trigger level is exceeded within a 10 MHz range around the selected frequency start frequency in the fr...

Page 218: ...of the RF signal Note The RF offline trigger is based on the I Q data of the demodulated signal in a very limited bandwidth For a wider trigger bandwidth and triggering based on the cur rently measur...

Page 219: ...en using the R S Digital I Q Interface R S FSV B17 with I Q Ana lyzer mode the maximum range is limited by the number of pretrigger samples See the R S Digital I Q Interface R S FSV B17 description in...

Page 220: ...provides the following functions Select Marker No 220 Ref Fixed 221 Ref Fixed On Off 221 Ref Point Level 221 Ref Point Frequency span 0 Ref Point Time zero span 221 Peak Search 221 Diff Freq Distorti...

Page 221: ...t Level Ref Fixed Opens an edit dialog box to enter a reference level value All relative level values of the delta markers refer to this reference level Remote command CALCulate n DELTamarker m FUNCti...

Page 222: ...n Enables difference frequency distortion The results are displayed in the summary table with the function DiffDist 2 3 The markers are indicated as DFD2 DFD3 Remote command CALCulate n MARKer FUNCtio...

Page 223: ...s a submenu to enable and configure intermodulation distortion measurement This function is only available for AF spectrum measurements Definition of the intermodulation distortion f1 and f2 represent...

Page 224: ...entered value ndB are displayed in the marker field If a positive value is entered the markers T1 and T2 are placed below the active refer ence marker If a negative value e g for notch filter measure...

Page 225: ...he trace display Remote command CALCulate n MARKer m FUNCtion FPEaks STAT on page 95 Sort Mode Freq Lvl Marker Peak List Defines the criteria for sorting Freq sorting in ascending order of frequency v...

Page 226: ...Peak List Opens the ASCII File Export Name dialog box and saves the active peak list in ASCII format to the specified file and directory The file consists of the header containing important scaling p...

Page 227: ...R S FSV K7S 3 2 1 Notation 227 3 2 2 CALCulate MARKer FUNCtion Subsystem FM Stereo Option R S FSV K7S 230 3 2 3 SENSe Subsystem 235 3 2 4 SENSe SFM ChannelType Subsystem 236 3 2 5 TRIGger Subsystem FM...

Page 228: ...se station UE measurements option R S FSV K76 K77 VSA Vector Signal Analysis option R S FSV K70 WCDMA 3GPP Base Station measurements option R S FSV K72 3GPP UE measure ments option R S FSV K73 WLAN WL...

Page 229: ...es of definitions which are used in the tables of commands In the tables these established definitions are indicated in angled brackets and is briefly explained in the following For details see the ch...

Page 230: ...231 CALCulate n MARKer FUNCtion DFD SEARchsignal ONCE 231 CALCulate n MARKer FUNCtion IMD STATe 232 CALCulate n MARKer FUNCtion IMD UNIT 232 CALCulate n MARKer FUNCtion IMD RESult m 232 CALCulate n M...

Page 231: ...ix n 1 4 window m 1 6 irrelevant Return values Result dd2 dd3 The difference frequency distortion factors of 2nd and 3rd order see Diff Freq Distortion on page 221 Example CALC MARK FUNC DFD RES Usage...

Page 232: ...IT ResultUnit This command defines the unit for the intermodulation distortion measurement results Suffix n 1 4 irrelevant Parameters ResultUnit PCT DB RST PCT Example CALC MARK FUNC IMD UNIT DB Mode...

Page 233: ...y FCARrier XTALk SUMMary Returns all results of the measurement FCARrier Returns only the carrier frequency XTALk Returns crosstalk between left and right channels in dB 20 log Left kHz Right kHz dB R...

Page 234: ...lable measurement values ADEV The absolute deviation RDEV The relative deviation SINad The signal to noise and distortion value THD Total harmonic distortion AFRequency Audio frequency RST ALL Return...

Page 235: ...switches all AF filters off Suffix n 1 4 window Example SENS SFM FILT AOFF Usage Event Mode SFM SENSe SFM STATe State This command switches between Stereo FM and Spectrum mode Parameters State ON OFF...

Page 236: ...cy ABSolute 241 SENSe SFM ChannelType FILTer LPASs FREQuency RELative 241 SENSe SFM ChannelType RSUMmary COUPling 242 SENSe SFM ChannelType RSUMmary DETector FUNCtion 242 SENSe SFM ChannelType RSUMmar...

Page 237: ...at has the trace mode Write specified using SENSe ADEMod AM ABSolute TDOMain TYPE on page 125 Otherwise a query error is generated Example SFM LEFT AFSP RES MINH Returns the minimum value in the left...

Page 238: ...ee CCIR Unweighted on page 32 Suffix ChannelType LEFT RIGHt MPX MONO STEReo RDS PILot Channel type for which the command is performed Parameters State ON OFF RST OFF Example SFM LEFT FILT CCIR ON Mode...

Page 239: ...activates the selected deemphasis for the specified chan nel type Suffix ChannelType LEFT RIGHt MPX MONO STEReo RDS PILot Channel type for which the command is performed Parameters State ON OFF RST OF...

Page 240: ...er type for the specified channel type For details on filters refer to Deemphasis on page 33 Suffix ChannelType LEFT RIGHt MPX MONO STEReo RDS PILot Channel type for which the command is performed Par...

Page 241: ...ute FilterType This command selects the absolute low pass filter type in the specified window For details on filters refer to Low Pass on page 31 For details about the demodulation bandwidth range ref...

Page 242: ...el type for which the command is performed Parameters State ON OFF RST OFF Example SFM LEFT RSUM COUP ON Mode SFM Manual operation See Result Summary Setup on page 196 See Coupled on page 197 SENSe SF...

Page 243: ...Te Clear Write Overwrite mode the summary is overwritten by each sweep AVERage The average is formed over several sweeps The number of sweeps is defined by the sweep count see SENSe SWEep COUNt on pag...

Page 244: ...CALCulate n MARKer m PEXCursion on page 104 Suffix ChannelType LEFT RIGHt MPX MONO STEReo RDS PILot Channel type for which the command is performed Query parameters TraceMode WRITe At least one scree...

Page 245: ...n SEQuence LEVel SFM LEFT 245 TRIGger n SEQuence LEVel SFM RIGHt 245 TRIGger n SEQuence LEVel SFM MPX 246 TRIGger n SEQuence LEVel SFM MONO 246 TRIGger n SEQuence LEVel SFM STEReo 247 TRIGger n SEQuen...

Page 246: ...uffix n 1 4 irrelevant Parameters Level Range 10 to 10 RST 0 Hz Default unit MHz Example TRIG LEV SFM MPX 2Hz Sets the trigger threshold of the MPX stereo signal to 2 Hz Mode SFM Manual operation See...

Page 247: ...evel The command sets the level when the RDS stereo channel is used as trigger source Suffix n 1 4 irrelevant Parameters Level Range 10 to 10 RST 0 Hz Default unit MHz Example TRIG LEV SFM RDS 2Hz Set...

Page 248: ...g with AF AM AMRelative FM and PM trigger sources to be successful the measurement time must cover at least 5 periods of the audio signal IMMediate Free Run no trigger EXTern External trigger IFPower...

Page 249: ...NIT Subsystem FM Stereo R S FSV K7S UNIT ADEV Unit Selects the unit for absolute deviation measurements Parameters Unit HZ DBM RST HZ Example UNIT ADEV DBM Mode SFM Manual operation See Abs Dev Unit k...

Page 250: ...to dBm Mode A ADEMOD SFM SPECM UNIT RDEV Unit Selects the unit for relative deviation measurements Parameters Unit DB PCT RST HZ Example UNIT RDEV PCT Mode SFM Manual operation See Rel Dev Unit dB on...

Page 251: ...RESult 130 SENSe ADEMod FM TDOMain TYPE 129 SENSe ADEMod MTIMe 133 SENSe ADEMod PM AFSPectrum RESult 136 SENSe ADEMod PM AFSPectrum TYPE 135 SENSe ADEMod PM RPOint X 137 SENSe ADEMod PM TDOMain RESult...

Page 252: ...K FACTor 155 SENSe SFM ChannelType AFSPectrum RESult 237 SENSe SFM ChannelType AFSPectrum TYPE 236 SENSe SFM ChannelType FILTer AWEighted STATe 237 SENSe SFM ChannelType FILTer CCIR WEIGhted STATe 238...

Page 253: ...od CARRier RESult t 87 CALCulate n MARKer FUNCtion ADEMod FERRor RESult t 87 CALCulate n MARKer FUNCtion ADEMod FM RESult t 88 CALCulate n MARKer FUNCtion ADEMod PM RESult t 89 CALCulate n MARKer FUNC...

Page 254: ...TATe 97 CALCulate n UNIT ANGLe 97 CALCulate n UNIT POWer 97 DIAGnostic n SERVice NSOurce 185 DISPlay MTABle 109 DISPlay WSELect 115 DISPlay WINDow n SSELect 110 DISPlay WINDow n STATe 109 DISPlay WIND...

Page 255: ...3 TRIGger n SEQuence IFPower HYSTeresis 164 TRIGger n SEQuence LEVel AM RELative 164 TRIGger n SEQuence LEVel AM ABSolute 164 TRIGger n SEQuence LEVel BBPower 165 TRIGger n SEQuence LEVel FM 165 TRIGg...

Page 256: ...List of Commands R S FSV K7 K7S 256 Operating Manual 1176 7561 02 06 UNIT THD 170 UNIT THD 250...

Page 257: ...teresis 50 51 Auto Peak detector 19 Auto Set menu 49 Average detector 19 Average trace mode 18 58 B bandwidth resolution analog demodulation 51 212 Bandwidth menu analog demodulation 51 K7S 211 Blank...

Page 258: ...l I Q Interface remote control 180 Digital IQ 78 line threshold 75 226 Lower Level Hysteresis Softkey 51 Lower case commands 83 228 M Marker Zoom 71 Marker menu analog demodulation 67 Marker Number so...

Page 259: ...RF Spectrum analog demodulation 21 RF Spectrum K7 190 RF Time Domain analog demodulation 21 RF Time Domain K7S 190 Right softkey 205 217 RMS VBW 20 RMS detector 19 RX Settings softkey 79 S Safety inst...

Page 260: ...173 Link Time Marker 71 Link Time Marker remote control 96 Low Pass AF Filter remote control analog demodula tion 152 153 241 Manual 41 Manual remote control 154 Marker 1 remote control 174 Marker 1...

Page 261: ...12 Auto Freq 50 Auto Level 50 Average 18 58 Average Mode 61 BB Power Retrigger Holdoff remote control 163 Blank 19 59 Center 40 Center remote control 153 Clear Write 17 58 Cont Meas remote control 186...

Page 262: ...6 sweep count 56 Free Run 64 216 Sweep Continue single sweep 56 Continuous 56 Single 56 Sweep menu analog demodulation 55 T threshold line 75 226 Time softkey 66 218 Time per Division softkey 204 Time...

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