SA (Spectrum Analyzer) Mode (Option 233–Mixed Analyzers)
SA Mode Settings
— LPF 3 dB Cutoff 300.000 Hz – When the Lowpass filter is set to
Custom, sets the customized LPF 3 dB cutoff frequency for the
lowpass filter (Default = 300 Hz; Minimum = 90 Hz, Maximum =
5 MHz).
— Highpass Filter None
– then choose:
— HPF 3 dB Cutoff 500.000 Hz
– When the Highpass Filter is set to
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
– Sets the Bandpass Filter for the current
measurement (Choices: None, CCITT, A-Weighted, C-Weighted,
C-Message, CCIR-1k Weighted, CCIR-2k Weighted, or CCIR
Unweighted). Default = None.
30 kHz
3-Pole Butterworth LPF with 3 dB cutoff frequency
of 30 kHz.
80 kHz
3-Pole Butterworth LPF with 3 dB cutoff frequency
of 80 kHz.
100 kHz
3-Pole Butterworth LPF with 3 dB cutoff frequency
of 100 kHz.
20 kHz
9-Pole Bessel LPF with 3 dB cutoff frequency of 20
kHz.
300 kHz
3-Pole Butterworth LPF with 3 dB cutoff frequency
of 300 kHz.
Custom
5-Pole Butterworth LPF with a custom 3 dB cutoff
frequency (determined by the LPF 3 dB Cutoff
setting).
None
No highpass filter is selected.
20 Hz
2-Pole Butterworth HPF with 3 dB cutoff frequency
of 20 Hz.
50 Hz
2-Pole Butterworth HPF with 3 dB cutoff frequency
of 50 Hz.
300 Hz
2-Pole Butterworth HPF with 3 dB cutoff frequency
of 300 Hz.
400 Hz
10-Pole Butterworth HPF with 3 dB cutoff
frequency of 400 Hz.
Custom
5-Pole Butterworth HPF with a custom 3 dB cutoff
frequency (determined by the HPF 3 dB Cutoff
setting).
Keysight N9938-90003 User's Guide
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