Re: [Ngspice-users] Incorrect simulation

[<xa...@sm...>]

Finally filed as a bug in KiCad: https://bugs.launchpad.net/kicad/+bug/1511552

        Martin.

----- Původní zpráva -----
Odesílatel: xa...@sm...
Příjemce: ngs...@li...
Datum: Thu, 29 Oct 2015 23:09:35 +0100
Předmět: Re: [Ngspice-users] Incorrect simulation


> Because I created the schemas separately. For LTSpiceIV I used the LTSpiceIV
> schema editor. And the NgSpice net-list was generated from a KiCad schema
> created in the KiCad EESchema editor. And similarly for QUCS and
EveryCircuit.
> 
>        Martin.
> 
> 
> ----- Původní zpráva -----
> Odesílatel: Marcel Hendrix <mh...@ia...>
> Příjemce: ngs...@li...
> Datum: Thu, 29 Oct 2015 21:51:16 +0000
> Předmět: Re: [Ngspice-users] Incorrect simulation
> 
> 
> > xa...@sm... writes 
> > 
> > > I've got problems to get correct simulation results even for this very
> simple
> > > BJT circuit:
> > 
> > [..]
> > 
> > > I've got expected results for the same circuit in LTSpiceIV, QUCS and
> > > EveryCircuit, but not in NgSpice. 
> > [..]
> > 
> > and later..
> > 
> > > the incorrect pin order was because KiCad exported it like that.
> > > I have fixed it in the schema, re-generated the ngspice net list, and
now
> it
> > > works! So the problem is probably in that KiCad generates the
transistors 
> > > into the spice net-list in dependence on pin numbers, which it
shouldn't.
> > 
> > But why did it originally work in LTspice? I tried your original netlist
in
> > NGSPICE and LTspice and the result is exactly the same (i.e not matching
> > the description you gave). The supply currents in both simulators are more
> > than 1TA. 
> > 
> > -marcel
> > 
> > 
> >
>
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> > Ngspice-users mailing list
> > Ngs...@li...
> > https://lists.sourceforge.net/lists/listinfo/ngspice-users
> > 
> 
> 
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