[SI-LIST] To measure impedance of a capacitor using VNA
- From: Anto Davis <antokdavis@xxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Wed, 12 Mar 2014 16:42:17 +0530
Hi,
I am trying to get the impedance plot of a 0.1uF capacitor (using VNA),
which has ESL and ESR associated with it. The frequeuncy response should be
a V curve. From the book, Frequency Domain Characterization of PDN by
Istvan Novak (ch-5) I realized that two port measurements are better
(measuring Z12 or S12) when Z << 50 ohms.
But for a single capacitor, how to get the V curve? If I connect it to
measure as Z12, I can measure it correctly for frequencies where Z<<50 ohms
only?
Thanks,
Anto
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