X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f X-Recipient: geda-user AT delorie DOT com X-Authenticated-IP: 207.224.51.38 Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Apple Message framework v1084) Subject: Re: [geda-user] nspice analog ic flow: how to size FETs? From: John Doty In-Reply-To: <32162707.1327803837611.JavaMail.root@mswamui-billy.atl.sa.earthlink.net> Date: Sat, 28 Jan 2012 19:44:16 -0700 Message-Id: <5F4C93C8-A7B6-4901-B212-706E18AAF538@noqsi.com> References: <32162707 DOT 1327803837611 DOT JavaMail DOT root AT mswamui-billy DOT atl DOT sa DOT earthlink DOT net> To: geda-user AT delorie DOT com X-Mailer: Apple Mail (2.1084) Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by delorie.com id q0T2iLNX006809 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 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