R&S FSW-K7 User Manual page 377

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R&S FSW-K7
Signal generator settings (e.g. R&S SMW):
Frequency:
Level:
Modulation:
Modulation frequency:
Frequency deviation:
//-----------Preparing the measurement ------------
*RST
//Reset the instrument
FREQ:CENT 500 MHz
//Set the center frequency to 500 MHz
DISP:TRAC:Y:SCAL:RLEV 0
//Set the reference level to 0 dBm
//---------- Activating an Analog Demod measurement channel -----------
INST:CRE:NEW ADEM,'FMDemodulation'
//Activate an Analog Demodulation measurement channel named "FMDemodulation"
//--------- Configuring data acquisition ------------------
ADEM:MTIM 1ms
//Set the measurement time to 1 ms (=10 periods)
SENS:ADJ:SCAL:Y:AUTO ON
//Optimize the scaling of the y-axis for the current measurement (continuously)
BAND:DEM 400 kHz
//Set the demodulation bandwidth to 400 kHz
TRIG:SOUR FM
//Use (offline) FM trigger
TRIG:LEV:FM 500MHz
//Trigger when signal reaches 500 MHz
//----------- Configuring the result display --------------------
LAY:ADD:WIND? '1',BEL,'XTIM:FM:AFSP'
//Add an FM Spectrum result display below FM Time Domain
ADEM:FM:AFSP WRIT,AVER,OFF,OFF,OFF,OFF
//Defines two traces in the FM Spectrum: 1: Clear/write, 2: average
ADEM:SET 8MHz,32000,FM,POS,-500,30
//Set analog demodulator to execute 30 sweeps with 32000 samples each
//at a sample rate of 8 MHz; use FM trigger, trigger on positive slope
//with a pretrigger offset of 500 samples
//--------------Performing the Measurement-----
User Manual 1173.9240.02 ─ 23
Remote Commands for Analog Demodulation Measurements
500 MHz
-10 dBm
FM
10 kHz
50 kHz
Programming Example
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