X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f X-Recipient: geda-user AT delorie DOT com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:content-type; bh=h1QboPgAW0NzZveKfxqElzIeeZcbhmR8JMx3w1qiohw=; b=IIJgCFzYNX1camu6Ur9zsWts51FpS6J7/KrpwK5FAFCb69d1JH5mN+AyXgnOL4yx2t qii5DQgvcB9f2WOcnri5jVeuP6T2EXUy57nuoKvE+ioC/4ryF5cqnoKkKV/lYHAizy90 +/bU8UFh9ZgIkqpaI2/odeFkQl5Qe6o+viHDM= MIME-Version: 1.0 Sender: silicon DOT on DOT inspiration AT gmail DOT com In-Reply-To: References: <1320692655 DOT 6963 DOT 20 DOT camel AT localhost> Date: Tue, 8 Nov 2011 10:35:30 +1100 X-Google-Sender-Auth: VNGMss7X-WqLzQ1gVHY9n5wDhyg Message-ID: Subject: Re: [geda-user] PCIe card? From: Stephen Ecob To: geda-user AT delorie DOT com Content-Type: text/plain; charset=ISO-8859-1 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 > I realise it says "no 90 bends", but they provide no numbers or > references for their recommendation, and they already have several 90 > bends in their design. Every via is 2 90 bends. Every pad is 2 90 > bends, every pin is 2 90 bends. > > http://www.sigcon.com/Pubs/edn/bigbadbend.htm > > There are several good right angle bend threads on si-list, here's a good one > > http://www.freelists.org/post/si-list/PCB-Corners-Need-help-finding-research-paper Thanks Russell, interesting reading! Cheers, Stephen -- Stephen Ecob Silicon On Inspiration Sydney Australia www.sioi.com.au