R3765/67G Series Network Analyzer Operation Manual
7.10 Software Fixture Function (OPT 71/72)
7-124
(9) Setting the differential balun
Change the software balun from the floating balun to the differential balun.
[FUNCTION] → {SOFTWARE FIXTURE} → {BALANCE MEASUREMENT} →
{DIFF BALUN ON}
Since the filter used in this measurement is balanced, the difference between the floating
and differential baluns does not appear.
(Reference)
When measuring an unbalanced type of a filter, the difference between the floating and dif-
ferential baluns is easy to see.
• Measurement example of an unbalanced filter (SS21)
Floating balun
Differential balun
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