3 Spectrum Analyzer Mode
3.11 Harmonics Measurement
Res BW
Sets the Resolution Bandwidth (RBW) used in measuring the fundamental signal.
Second and subsequent harmonics by default use a multiple of the resolution
bandwidth proportional to their frequency multiplier. Only Gaussian RBW filters are
enabled and the list of allowable RBW values matches those of the Spectrum
Analyzer measurement.
In this measurement, the resolution bandwidth is not autocoupled to span. If Auto is
on, the resolution bandwidth is automatically determined from the first sweep when
the measurement is restarted.
Only Gaussian RBW filters are enabled.
Remote
Command
[:SENSe]:HARMonics:BANDwidth|BWIDth[:RESolution] <freq>
[:SENSe]:HARMonics:BANDwidth|BWIDth[:RESolution]?
Example
:HARM:BWID 10 kHz
:HARM:BWID?
Notes Forces measurement restart
Preset The bandwidth found by the first sweep. The resulting value will vary, depending upon the input signal
Min 1 Hz
Max 8 MHz
Auto Function
Remote
Command
[:SENSe]:HARMonics:BANDwidth|BWIDth[:RESolution]:AUTO OFF | ON | 0 | 1
[:SENSe]:HARMonics:BANDwidth|BWIDth[:RESolution]:AUTO?
Preset
ON
(Sense)
Video BW (Remote Command only)
For backwards compatibility, the instrument accepts but ignores this command.
There is no setting of the video bandwidth, since we are using single-point
averaging of a zero-span measurement. When the average detector is selected, the
video bandwidth is not used. When the peak detector is selected, the video
bandwidth is be set to instrument maximum.
Preset 50 MHz
Min 50 MHz
Max 50 MHz
Backwards
[:SENSe]:HARMonics:BANDwidth|BWIDth:VIDeo <frequency>
1898 Spectrum Analyzer Mode User's &Programmer's Reference
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