Remote Commands for Analog Demodulation Measurements
R&S
®
FSW-K7
242User Manual 1173.9240.02 ─ 17
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 before trigger occurred)
# of meas = 30
[SENSe:]ADEMod:SPECtrum:BANDwidth|BWIDth[:RESolution] <Bandwidth>
Defines the resolution bandwidth for data acquisition.
From the specified RBW and the demodulation span set by [SENSe:]ADEMod:
SPECtrum:SPAN[:MAXimum] on page 260 or [SENSe:]BANDwidth|BWIDth:
DEMod on page 242, the required measurement time is calculated. If the available
measurement time is not sufficient for the given bandwidth, the measurement time is
set to its maximum and the resolution bandwidth is increased to the resulting band-
width.
This command is identical to SENS:BAND:RES, see the R&S FSW User Manual.
Parameters:
<Bandwidth> refer to data sheet
*RST: 61.2 kHz
Example:
ADEM:SPEC:BAND 61.2kHz
Sets the resolution bandwidth to 61.2 kHz.
[SENSe:]ADEMod:SRATe?
This command returns the sample rate set up for the current analog demodulation
measurement.
Example:
ADEM:SRAT?
Returns the current sample rate.
Usage: Query only
[SENSe:]BANDwidth|BWIDth:DEMod <Bandwidth>
This command sets the bandwidth for analog demodulation. Depending on the
selected demodulation bandwidth, the instrument selects the required sampling rate.
For details on the correlation between demodulation bandwidth and sampling rate refer
to chapter 4.3, "Sample Rate, Measurement Time and Trigger Offset", on page 29.
This command is identical to SENS:ADEM:BAND:DEM.
Parameters:
<Bandwidth> *RST: 5 MHz
Configuring the Measurement
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