> The file you sent works fine in my copy of NG-spice (revision 15), > which version of ngspice are you using and what's the error message ? # ngspice --version ngspice compiled from ng-spice-rework revision 15 Written originally by Berkeley University Currently maintained by the NGSpice Project Copyright (C) 1985-1996, The Regents of the University of California Copyright (C) 1999-2000, The NGSpice Project #ngspice filtroattivo1.sp ****** ** ngspice-15 : Circuit level simulation program ** The U. C. Berkeley CAD Group ** Copyright 1985-1994, Regents of the University of California. ** Please submit bug-reports to: ngspice-devel@xxxxxxxxxxxxxxxxxxxxx ** Creation Date: Sat Apr 3 22:07:01 MST 2004 ****** Circuit: * TL071 OPERATIONAL AMPLIFIER "MACROMODEL" SUBCIRCUIT Warning -- Level not specified on line "(is=15.00e-12 beta=270.1e-6 vto=-1)" Using level 1. Error on line 18 : e:1:gnd 1:99 0 p:1:oly 2:1 3,0) (4,0) 0 .5 .5 unknown parameter (0) Error on line 19 : f:1:b 1:7 1:99 p:1:oly 5) vb vc ve vlp vln 0 4.715e6 -5e6 5e6 5e6 -5e6 unknown parameter (vb) ngspice 1 -> exit ngspice-15 done What's the problem? Can you send me a screenshot of "plot out" of my file? :S :D -- Davide "Rocker" Anastasia URL: www.marc-us.com/rocker/ * Linux User #341094 * * Mail signed with GPG * All men are mortal. Socrates was mortal. Therefore, all men are Socrates. -- Woody Allen
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