Multi-Channel Sync Hipot Tester 19020/19020-4/19021/19021-4/19022/19022-4
User’s Manual
When the ACV/DCV test time is less than 0.29 second, the H/W AGC is
OFF.
Vs Vo / Vs = RL / (Rs + RL)
1. H/W AGC: Since the load effect caused Vo<Vs, the hardware comparator circuit is used
to make Vo compensate voltage to be the same as within Vs within 0.1sec.
2. S/W AGC: This tester uses software AGC only in IR MODE. Since the software
compensation is slow, it would not cause transient voltage shock to DUT and the
common IR impedance (R
L) is much larger than the output impedance (Rs) of this tester,
thus Vo ≒Vs.
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