Keysight U8903B User Manual page 526

A Appendixes
Table A-28 Measurement settings > External Frequency Sweep menu tree description (continued)
Tab Level 1
Ref Channel
Harmonics
LPF
External Frequency
Sweep
(Signal Analysis)
HPF
Weighting
Deemphasis
526
Level 2 Level 3
– CH1 to CH8
– All
– 2 to 9
– None
– 2 kHz
– 3 kHz
– 5 kHz
– 8 kHz
– 10 kHz
– 15 kHz
– 20 kHz
– 22 kHz
– 30 kHz
– 40 kHz
– 50 kHz
– 80 kHz
– Custom
– None
– 15 Hz
– 20 Hz
– 22 Hz
– 30 Hz
– 50 Hz
– 70 Hz
– 100 Hz
– 200 Hz
– 300 Hz
– 400 Hz
– Custom
– None
– A
– CCIR 1k
– CCIR 2k
– CCITT
– C-Message
– Custom
– None
– 50 μs
– 75 μs
– Custom
Description
Select the reference channel number. The phase
of each channel is measured against the reference
channel. The phase result for the reference
channel should always be displayed zero.
Select the harmonics count to be used in the THD
ratio and THD level results.
Select the low-pass filter.
Select the high-pass filter.
Select the weighting filter.
Select the de-emphasis filter.
Keysight U8903B User's Guide