Appendixes A
Keysight U8903B User’s Guide 469
Functions
(X-Talk)
Ref. Ratio
Set the reference ratio value.
There is only one reference ratio for each channel.
Freq Lock
–Auto
– Gen Lock
– Custom
Select the searching method for the fundamental
frequency.
Fund Freq
Set the fundamental frequency value.
This setting is only available when the frequency
lock is set to Custom.
Filters Config
Clear Filters Clear all the filter settings.
LPF
–None
–15 kHz
–20 kHz
–22 kHz
–30 kHz
– Custom
Select the low-pass filter.
HPF
–None
–20 Hz
–100 Hz
–400 Hz
– Custom
Select the high-pass filter.
Weighting
–None
–A
–CCIR 1k
–CCIR 2k
– C-Message
–CCITT
– Custom
Select the weighting filter.
Deemphasis
–None
–50 μs
–75 μs
– Custom
Select the filter de-emphasis value.
Sample Rate
–32 kHz
–44.1 kHz
–48 kHz
–88.2 kHz
–96 kHz
– 176.4 kHz
–192 kHz
Select the sample rate.
Table A-8 Digital analyzer menu tree description (continued)
Level 1 Level 2 Level 3 Level 4 Description
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