Chroma 3300 - 4.5 Low Impedance Measurement Application

Automatic Transformer Test System 3300/3302 User’s Manual
4-46
Abore diagram operate description as following:
TEST WAIT TIME : __________…..The test wait time for each transformer.
BIAS CURRENT : __________…..DCA setting
1. If Current Setting not set, DCA will use the result for testing value.
2. If Current Setting does set, DCA will use the current setting for
testing value.
DUAL FIXTURE : This setting is use for specialized fixture. All general setting is
ranged in A Fixture.
SELECT BIAS : It can selecting DCA to add with Lx and Zx singly or dually.
4.5 Low Impedance Measurement Application
What is low impedance ？ when DUT is low L in low freq. or high capacity in high freq.
meanwhile the impedance are X
L
or X
C
, as X
L
or X
C
less than 100m Ω , there are low
impedance, now the measurement must be noted two points: