X-Authentication-Warning: delorie.com: mail set sender to geda-help-bounces using -f X-Recipient: geda-help AT delorie DOT com X-TCPREMOTEIP: 96.237.173.45 X-Authenticated-UID: jpd AT noqsi DOT com Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Apple Message framework v1085) Subject: Re: [geda-help] gschem value attribute for ngspice simulation of LED From: John Doty In-Reply-To: <1115320725.3065846.1373185344740.JavaMail.ngmail@webmail06.arcor-online.net> Date: Sun, 7 Jul 2013 08:52:33 -0400 Message-Id: <9792F1DD-A85E-404F-A742-7C012299CD17@noqsi.com> References: <1115320725 DOT 3065846 DOT 1373185344740 DOT JavaMail DOT ngmail AT webmail06 DOT arcor-online DOT net> To: geda-help AT delorie DOT com X-Mailer: Apple Mail (2.1085) Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by delorie.com id r67CqYo1018264 Reply-To: geda-help AT delorie DOT com Errors-To: nobody AT delorie DOT com X-Mailing-List: geda-help AT delorie DOT com X-Unsubscribes-To: listserv AT delorie DOT com Precedence: bulk On Jul 7, 2013, at 4:22 AM, julia DOT jacobson AT arcor DOT de wrote: > For simulating a simple circuit including a LED in ngspice, I am wondering which value attribute to assign to the LED in gschem. > It its a 5mm (red) one and looks pretty much standard to me. For most simulation purposes, just about any diode model will work. Which SPICE netlister are you using? For spice-sdb, see section 4.7.3 at http://www.brorson.com/gEDA/SPICE/x150.html for one way to set up your attributes. The value attribute doesn't affect simulation in this case. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ jpd AT noqsi DOT com