common mode test circuit for Surface mount and through hole
50
W
D.U.T.
50
W
Test Notes:
1.
2.
3.
Network analyzer calibrated to compensate for
50
W
resistors.
All windings on a core are connected in parallel
for the test.
For multi-core chokes, test data is for one core
only. The windings on the other core(s) are left
unconnected (i.e. open).
HP 3577A
Network Analyzer
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