Keysight U8903B - Table A-19 Measurement Settings > THD+N Menu Tree Description

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.