Hi all, First of all, sorry about "big" delay to answer, I was a time which I don't work on these practice.
And, I having some issue with this list, mails don't become to my account, but comes to the list. O.K, go to the problem. Al Davis wrote on 11 October 2006: > On Thursday 28 September 2006 12:45, Rubén Gómez Antolí wrote: >> I'm simulating a circuit with a transistor. When I change the >> value of power supply I get a "open circuit:internal node". >> >> The circuit runs well on ngspice, I don't know about what I >> doing bad. > > It works for me. > > That "open circuit" message isn't always a problem. It means > there was a matrix singularity, which could be during iteration > and not a final result. > > "open circuit" means that there is a high impedance at a node, > so high that it is impossible to calculate a voltage. For > example, think of two capacitors in series. What is the DC > voltage at the junction? it's unknown! > > I don't see anything like that for your circuit, but when not > converged anything can happen. Well, I don't explained well the problem. Circuit doesn't simulate, output file is 0 size or the waves output hold the same value after a time. I attach a session file which you can see the problem. I try to download gnucap cvs version but I can't find it, where I can to obtain it? I remember you that my gnucap version is that Debian Sid version have: ii gnucap 0.35-1 Thanks for your attention. Please, send me a copy in your answer, the list issue.... Salud y Revolución. Lobo. -- Libertad es poder elegir en cualquier momento. Ahora yo elijo GNU/Linux, para no atar mis manos con las cadenas del soft propietario. --------- Desde El Ejido, en Almería, usuario registrado Linux #294013 http://www.counter.li.org
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