From: chasgra ([email protected])
Date: Thu Sep 28 2000 - 10:29:43 PDT
Now Doug Smith may chuckle at this but I have used a scope
probe for just this sort of measurement. (The ground
lead is removed). The trick(at least for me) is not the
probe so much as the test up and consistency.
From: Barry Ma <[email protected]>
To: [email protected] <[email protected]>
Date: Thursday, September 28, 2000 9:20 AM
Subject: [SI-LIST] : Fwd: Probing power plane with analyser.
>------- Start of forwarded message -------
>To: "'EMC - PSTC Forum'" <[email protected]>
>Cc: Roman Seifert <[email protected]>
>Subject: Probing power plane with analyser.
>From: "Cameron O'phee" <O'[email protected]>
>Date: Thu, 28 Sep 2000 11:59:24 +1100
>I have been asked by one of our design engineers if I can measure the RF
>signature on the 3v plane on one of our PCB designs. The purpose of this
>to compare it to proposed changes for cost reduction, ie removal of bypass
>caps. I would assume I need some sort of CDN but I have no designs for
>application. Does anyone have any ideas on how I can safely probe a 3v DC
>power rail with an EMC analyser (HP8591E)?
>EMC & Safety Precompliance.
>Aristocrat Technologies Australia.
>Telephone : +61 2 9697 4420
>Facsimile : +61 2 9663 1412
>Mobile : 0418 464 016
>Barry Ma <[email protected]>
>Morgan Hill, CA 95037
>Tel. 408-778-2000 x 4465
>Free Unlimited Internet Access! Try it now!
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