X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f X-Recipient: geda-user AT delorie DOT com X-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=H0/fcZcAUWbmuEybloyGPbwetNGFe91BYiLnx3c0bt8=; b=WqZ/mmCie15kr82lmOL+B5wa3XWPriVRyF3Tj8N9KtKnOdhT6M3lL7I1r5fJFmqsP+ wG5xzVUSgs5hnDeuzVyqquqx3DnKgZ7fxxvzGtUR7vZc8yXYACScLB/WyBeflylljgjZ J9vy6dWi2veTrafWDRMiSBdxUWOcPt5goOzcOi210FnHImgqSPOI9X6rzk5N+o2Ynkmt lByCciJRwhWvhVIZRvXwWYqpYiX1GtSWq64hU03JBmhQl1uYC0okGFF+SaorAfpn2qpo EzCCHkn4M/TmunjJrLFj+SQAJV0Jl/njlpgMLSri3o/NsGF3e8c1KGP+4LgVjLkQm5iO rKsA== MIME-Version: 1.0 X-Received: by 10.25.24.162 with SMTP id 34mr1701959lfy.84.1444759399405; Tue, 13 Oct 2015 11:03:19 -0700 (PDT) In-Reply-To: <201510131607.t9DG7AVu029840@envy.delorie.com> References: <1042003D-82E2-40F0-AB60-8186580C46AD AT noqsi DOT com> <20151012220005 DOT GC11989 AT visitor2 DOT iram DOT es> <634F1EEF-EA3A-4DCB-8617-EA3E6292C588 AT noqsi DOT com> <20151013072605 DOT GA17354 AT visitor2 DOT iram DOT es> <201510131607 DOT t9DG7AVu029840 AT envy DOT delorie DOT com> Date: Tue, 13 Oct 2015 14:03:19 -0400 Message-ID: Subject: Re: [geda-user] A lesson from gnet-makefile From: "Evan Foss (evanfoss AT gmail DOT com) [via geda-user AT delorie DOT com]" To: gEDA users mailing list Content-Type: text/plain; charset=UTF-8 Reply-To: geda-user AT delorie DOT com Errors-To: nobody AT delorie DOT com X-Mailing-List: geda-user AT delorie DOT com X-Unsubscribes-To: listserv AT delorie DOT com Precedence: bulk On Tue, Oct 13, 2015 at 12:07 PM, DJ Delorie wrote: > >> BTW, for thermal reasons, you typically want to specify the RMS of the >> current, not the linear average. That's quite different, say, at the input >> of a buck SMP regulator, at least between the decoupling capacitors and the >> current switches. > > At those points, it's the trace inductance that's an issue, not the > current. I think limiting ourselves to a "current in/out" model is, > well, limiting. +1 -- Home http://evanfoss.googlepages.com/ Work http://forge.abcd.harvard.edu/gf/project/epl_engineering/wiki/