Rohde & Schwarz FPL1000 Manuel D'utilisation page 889

®
R&S FPL1000
Usage:
Manual operation:
CALCulate<n>:MARKer<m>:FUNCtion:NDBDown:QFACtor?
This command queries the Q factor of n dB down measurements.
Suffix:
<n>
<m>
Return values:
<QFactor>
Usage:
CALCulate<n>:MARKer<m>:FUNCtion:NDBDown:RESult?
This command queries the distance 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 is only possible
for single sweep mode.
See also
Suffix:
<n>
<m>
Return values:
<Distance>
Example:
Usage:
Manual operation:
Manuel d'utilisation 1179.5860.09 - 12
Query only
See "n dB down Value"
irrelevant
irrelevant
Query only
INITiate<n>:CONTinuous
irrelevant
irrelevant
The result depends on the span.
In case of frequency domain measurements, the command
returns the bandwidth between the two n dB down markers in
Hz.
In case of time domain measurements, the command returns the
pulse width between the two n dB down markers in seconds.
INIT:CONT OFF
Switches to single sweep mode.
CALC:MARK:FUNC:NDBD ON
Switches on the n dB down function.
INIT;*WAI
Starts a sweep and waits for the end.
CALC:MARK:FUNC:NDBD:RES?
Outputs the measured value.
Query only
See "n dB down Marker State"
Setting basic spectrum RF measurement parameters
on page 381
on page 620.
on page 381
Remote commands
889 889