X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f X-Recipient: geda-user AT delorie DOT com DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=dk20050327; d=mindspring.com; b=hgH/LsiMXOC8WK7OaWISXRxL8yRBZAukNFf6G8wTTHiWjB57AZt3Me38Q/6NDowT; h=Message-ID:Date:From:Reply-To:To:Subject:Mime-Version:Content-Type:Content-Transfer-Encoding:X-Mailer:X-ELNK-Trace:X-Originating-IP; Message-ID: <17371018.1327850246176.JavaMail.root@mswamui-billy.atl.sa.earthlink.net> Date: Sun, 29 Jan 2012 10:17:25 -0500 (EST) From: daledouglas AT mindspring DOT com To: geda-user AT delorie DOT com, geda-user AT delorie DOT com Subject: Re: [geda-user] nspice analog ic flow: how to size FETs? Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Mailer: EarthLink Zoo Mail 1.0 X-ELNK-Trace: 9c0fac58edfb396396bd1b040bd52e8c416dc04816f3191c45d40daf22cb1d7cb5773979506e7c6395a4bdd96aad3769350badd9bab72f9c350badd9bab72f9c X-Originating-IP: 209.86.224.27 Reply-To: geda-user AT delorie DOT com Thanks for both tips, John, and I promise to RTM before asking noob-ish questions in the future. Many thanks, Dale Douglas Dale Douglas Consulting http://www.linkedin.com/pub/dale-douglas/2/184/925 -----Original Message----- >From: John Doty >Sent: Jan 28, 2012 9:44 PM >To: geda-user AT delorie DOT com >Subject: Re: [geda-user] nspice analog ic flow: how to size FETs? > > >On Jan 28, 2012, at 7:23 PM, daledouglas AT mindspring DOT com wrote: > >> In other flavors of SPICE (such as Silvaco), an .op is distinct from a single point .dc in that an .op details the operating points (Vgs-Vth, Vds, gm, Ic, operating region, etc., etc.) of every active device. It would be great if this was integrated into ngspice. > >"op;show" in the interactive interpreter. > >If you're doing ASIC design, you might find the Open-IP symbols at http://www.gedasymbols.org/user/john_doty/ of use. > >John Doty Noqsi Aerospace, Ltd. >http://www.noqsi.com/ >jpd AT noqsi DOT com > > >