Keysight U8903B, User Manual

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7 Test Sequence Application
360 Keysight U8903B User’s Guide
Signal analysis
The external frequency sweep signal analysis settings menu page is displayed as shown in
Figure 7-44 .
Figure 7-44 External Frequency Sweep > Signal Analysis settings menu page
Table 7-43 External Frequency Sweep > Signal Analysis settings menu description
Menu Description
Ref Channel
Press the Ref Channel softkey to 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.
Harmonics
Press the Harmonics softkey to select the harmonics count to be used in the THD ratio and THD level results.
– All
– 2 to 9
LPF
Press the LPF softkey to select the low-pass filter.
– 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