R3765/67G Series Network Analyzer Operation Manual
7.10 Software Fixture Function (OPT 71/72)
7-126
(12) Executing the mode analysis function
This function breaks down the signal into common mode and differential mode compo-
nents.
[FUNCTION] → {SOFTWARE FIXTURE} → {MODE ANALYSIS ON}
Measurement of common mode input and common mode output
[MEAS] → {Scc}, {21}
The measurement results show that the common mode component is transmitted with
its magnitude eliminated by approximately 45dB at the center frequency.
Measurement of common mode input and differential mode output
[MEAS] → {Sdc}, {21}
The measurement results show that the common mode component is transmitted with
its magnitude converted into differential mode by approximately -50dB at the center
frequency.
1
Setting conditions
FORMAT: LOGMAG
SCALE: REF.POSION 90%
REF.VALUE 0dB
10dB/DIV
2
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