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:sender:date:message-id:subject:from:to; bh=Rjzy1De6f6S6oQ2PSW1Z4uCXAkyuSMrP1a0bd2rW9WU=; b=xAfUKXzTPCK6bCmHGQydDCqgmUthP8hTEOEgf+outd/squ9DdL62oJjECqQ1VY26U2 LYB2w1VU6+8NKBPZ8Gxe1nAdMDaJN3Jp1wKa0rgOY7fzIzA1gDync7r0kYdinxKJERdP eIXO5rM/DKmDR4BOK8QbGVEoGJe3OFWNHY2HnhvfOYZccEyUtEJKkpEOXfNaVf1hb0rQ CGB7xQu8Vfphho7uEHPJqkwhK0T/9I57Cuwxb4bZ/8y62eXOjlTBVVNAiYnl51kp5yQ/ /jRCp6g6ErPO3QABKVEp5MrKBbgiqYuvVMwFaVuhOtwJJ4Gt8/iD10KwPV+gxl/sEZEq aSjQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:sender:date:message-id:subject:from :to; bh=Rjzy1De6f6S6oQ2PSW1Z4uCXAkyuSMrP1a0bd2rW9WU=; b=N6J8AwlETjrE0+68cCVeeLCB4rFQ9pckvsa3jCUqFF1fI6Fu+sqx/cYqw1ep+R/0gN uWwBeYBHqF51lfuP5/3GPhQHxfp7E++UKHb+RG+6GRAxIXA072unr9aHqG/M9M6YUKRo pvqNxQ9CM7uHE1IXPXgUba/xauPT0ZPwmDJKkEFaiepGoEXuyHKjLln+0QkxJlmGMD79 7uuVQvPRemZ/vKIh2FNrNCB5w8YL71AdnYUUcOrqR+2D++ET2KN4ucbig7XaNMC3/yE8 gKRn9yaTKLz5otJWoSbQLabsuA4fdn+4YBNGk5dWnvJavCLtG+Tf3D1VJsavUeNRw17F eEnQ== X-Gm-Message-State: AOPr4FUUAHdWyGrnNxB4K/WrDhlmBSJsMREXnWbN7aFXoDCecASRslAjzTec7zwjEMd+vK/m6YktPOvC3oyy2A== MIME-Version: 1.0 X-Received: by 10.13.218.195 with SMTP id c186mr3837538ywe.112.1463019824398; Wed, 11 May 2016 19:23:44 -0700 (PDT) Sender: silicon DOT on DOT inspiration AT gmail DOT com Date: Thu, 12 May 2016 12:23:44 +1000 X-Google-Sender-Auth: j4B-HOz_5rWgTtXULHDoUzZUwIQ Message-ID: Subject: [geda-user] Differential pair support From: "Stephen Ecob (stephen DOT ecob AT sioi DOT com DOT au) [via geda-user AT delorie DOT com]" To: geda-user AT delorie DOT com Content-Type: text/plain; charset=UTF-8 Reply-To: geda-user AT delorie DOT com My current PCB project needs differential pairs. I'm thinking of writing a script to replace selected traces of (say) thickness 19 mil with a pair of 7 mil traces with spacing 5 mil. Before I start work, has anyone already implemented something like this ? Cheers, Stephen