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I used their Cmeas4284 in HP4284ulib user library.
When I looked at the scope, I see the bias voltage for capacitance measurement.
But I also see another oscillating signal (~3Vp-t-p, 1KHz, ~1.5s duration) before the CV emasurement.
Does anyone know why I see this?
One possibility is, it could be to cancel any residual offset capacitance.
Please let me know if you have an explanation on this.
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