Keysight U8903B, User Manual

Page: 510 / 605

A Appendixes
510 Keysight U8903B User’s Guide
THD+N
Table A-19 Measurement settings > THD+N menu tree description
Tab Level 1 Level 2 Level 3 Description
THD+N
(Signal Generation)
Waveform
– Sine
– Variable phase
– Square
– Arbitrary
Select the waveform type.
Output Select the output channel.
Waveform Config
Track 1st Ch
– Enable
– Disable
Enable or disable the tracking of the first channel.
Frequency Set the frequency value.
Amplitude Set the amplitude value.
Waveform Config
DC Offset Set the DC offset value.
Phase->1st Ch
Set the phase value. This setting is only available
when channel 2 is selected.
THD+N
(Signal Analysis)
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 Freq Lock is set
to Custom.
Harmonics
– All
– 2 to 9
Select the harmonics count to be used in the THD
ratio and THD level results.
LPF
– 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
Select the low-pass filter.