Table 7-57 Measurement Recorder > Signal Analysis Settings Menu Description - Keysight U8903B User Manual

7 Test Sequence Application
Signal analysis
The measurement recorder signal analysis settings menu page is displayed as shown in
Figure 7-59.
Figure 7-59
Table 7-57 Measurement Recorder > Signal Analysis settings menu description
Menu Description
Press the Duration softkey to set the length of the measurement record. The duration is in the following pattern.
hh:mm:ss
Duration
hh is the hours, mm is the minutes, and ss is the seconds.
The minimum duration is 0 s, and the maximum duration is 3 days (71:59:59). When the duration is set to 0 s, a single
measurement will be made.
Press the Ref Channel softkey to set the reference channel number. The phase of each channel is measured against the
Ref Channel
reference channel. The phase result for the reference channel should always be displayed zero.
Press the Wrap Phase softkey to enable or disable the wrap phase.
– On
Wrap Phase The phase result is wrapped so that it falls within the range of -180° ~ 180°.
– Off
The result displayed is the exact value after substracted from the reference channel.
Press the Freq Lock softkey to select the searching method for the fundamental frequency.
– Auto
Selecting Auto will allow the U8903B to search for the fundamental frequency automatically.
– Gen Lock
Freq Lock
Selecting Gen Lock will allow the U8903B to search for the fundamental frequency based on the generator frequency
value of the respective generator channel. This Gen Lock method is only useful if you use the internal audio generator.
– Custom
If you have a known input signal, you can define the fundamental frequency value by setting the searching method to
Custom and setting the frequency value in Fund Freq.
Press the Fund Freq softkey to set the fundamental frequency value. This setting is only available when Freq Lock is set to
Fund Freq
Custom.
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Measurement Recorder > Signal Analysis settings menu page
Keysight U8903B User's Guide