Keysight FieldFox B Series User Manual page 179

SA (Spectrum Analyzer) Mode (Option 233–Mixed Analyzers)
SA Mode Settings
Setting the Marker Counter Gate Softkey
When AM Metric or FM Metric are selected, you can choose from the
following:
— Press Marker >
— Press Mkr->/Tools >
Keysight N9938-90006 User's Guide
— Highpass Filter None
None
20 Hz
50 Hz
300 Hz
400 Hz
Custom
— HPF 3 dB Cutoff 500.000 Hz
Custom, sets the customized HPF 3 dB cutoff frequency for the
highpass filter (Default = 500 Hz; Minimum = 20 Hz, Maximum =
Varies, depending on the AF Span).
— Bandpass Filter None
measurement (Choices: None, CCITT, A-Weighted, C-Weighted,
C-Message, CCIR-1k Weighted, CCIR-2k Weighted, or CCIR
Unweighted). Default = None.
— More – FM and FM Stereo only. Opens a softkey menu to
enable/disable the De-Emphasis softkeys.
——De-Emphasis OFF ON
applied to the demodulated signal.
——De-Emphasis T
the demodulated signal.
Peak
More
or FM Tune & Listen demodulated signal's counter window time
(Minimum = 1 ms and Maximum = 2s; default = 100 ms).
The Counter Gate softkey is not available when AM Tune & Listen, FM
(narrow) Tune & Listen, or FM (wide) Tune & Listen are enabled. Refer to
Figure 9-9 on page 182.
– then choose:
No highpass filter is selected.
2-Pole Butterworth HPF with 3 dB cutoff frequency
of 20 Hz.
2-Pole Butterworth HPF with 3 dB cutoff frequency
of 50 Hz.
2-Pole Butterworth HPF with 3 dB cutoff frequency
of 300 Hz.
10-Pole Butterworth HPF with 3 dB cutoff
frequency of 400 Hz.
5-Pole Butterworth HPF with a custom 3 dB cutoff
frequency (determined by the HPF 3 dB Cutoff
setting).
– When the Highpass Filter is set to
– Sets the Bandpass Filter for the current
– Enables/disables the de-emphasis
– Sets the amount of de-emphasis applied to
> Mkr Properties > Counter Gate – Sets the AM
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