Keysight U8903B - Page 465

Appendixes A
Keysight U8903B User’s Guide 465
Functions
(THD+N Level)
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.
Functions
(SINAD)
Unit
–dB
– ΔdB
–%
–x
Select the unit type.
Format
–Off
– Linear
–Delta
Select the reading format of the returned
measurement reading.
Set result as ref. from Channels 1 to 2
Store the measurement result from the selected
channel as the reference ratio.
Ref. Ratio
Set the reference ratio value.
There is only one reference ratio for each channel.
Precision
–On
–Off
Enable or disable the precision mode.
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.
Functions
(THD Ratio)
Unit
–dB
– ΔdB
–%
–x
Select the unit type.
Format
–Off
– Linear
–Delta
Select the reading format of the returned
measurement reading.
Set result as ref. from Channels 1 to 2
Store the measurement result from the selected
channel as the reference ratio.
Ref. Ratio
Set the reference ratio value.
There is only one reference ratio for each channel.
Even Harmonic
–ALL
–2
–4
–6
–8
Display the even harmonics order selection.
Table A-8 Digital analyzer menu tree description (continued)
Level 1 Level 2 Level 3 Level 4 Description