[SI-LIST] VRM (smps) Zout vs. frequency measurement: How To?

  • From: agathon <hreidmarkailen@xxxxxxxxx>
  • To: si-list <si-list@xxxxxxxxxxxxx>
  • Date: Mon, 1 Jul 2019 13:53:53 -0400

Small-signal Zout measurement...
This is the primary f-domain characterization of a SMPS.
What is the actual lab setup for this?
(I don't need brand/model instrument recommendations, but separately ok).

I assume the answer is something like ...
the feedback pin node has freq.-swept noise coupled into it and output V,I
are measured (with some nominal dc load).  No?

Regards and Thanks.
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