User Activity

  • Posted a comment on discussion ngspice-users on ngspice

    Somehow the dot was not displayed. Just added some blanks and now they show up. I inserted hertz to make the output of pwl frequency dependent.

  • Modified a comment on discussion ngspice-users on ngspice

    Hello, I'm trying to create a frequency dependent voltage controlled voltage source. To do this I came up with this circuit: Circuit for testing purpose V1 1 0 ac=2 R1 1 2 50 R2 2 3 100 Circuit to implement the frequency dependent voltage controlled source Vf 11 0 ac=1 B1 55 0 V=pwl(v(11) * hertz, 0,0, 100,0.2, 150,0.5, 200,0.8) B2 3 0 V={v(55)*v(2)} The B-source B1 gives frequency dependent values, which is easily checked with ac lin 10 100 200. But for B2 the values are always constant over frequency....

  • Posted a comment on discussion ngspice-users on ngspice

    It's a B-Source... pwl is the abbreviation for piecewise linear function...

  • Posted a comment on discussion ngspice-users on ngspice

    I don't want to use it for transient simulation. I would like to create a frequency dependent voltage controlled voltage source, which can be integrated into an AC-simulation.

  • Posted a comment on discussion ngspice-users on ngspice

    Hello, I'm trying to create a frequency dependent voltage controlled voltage source. To do this I came up with this circuit: Circuit for testing purpose V1 1 0 ac=2 R1 1 2 50 R2 2 3 100 Circuit to implement the frequency dependent voltage controlled source Vf 11 0 ac=1 B1 55 0 V=pwl(v(11)hertz, 0,0, 100,0.2, 150,0.5, 200,0.8) B2 3 0 V={v(55)v(2)} The B-source B1 gives frequency dependent values, which is easily checked with ac lin 10 100 200. But for B2 the values are always constant over frequency....

  • Posted a comment on ticket #342 on ngspice

    Hello Holger, I just found the mistake. I included whitespace around the =. Removing...

  • Posted a comment on ticket #342 on ngspice

    So it's only possible to use it inside a script? But I would like to use it in the...

  • Created ticket #342 on ngspice

    SegFault alter command

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epannick
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2017-04-06 08:08:43

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