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Re: gEDA-user: TwoStageAmp example

Here's a step-by-step:

1.  Find a 2N3904 model via Google.

2.  Save it to a sub-directory directory of your project directory,
say ${PROJ_DIR}/models/2N3904.mod

3.  Place a spice-model symbol (in the SPICE directory) into your
schematic.  Set its file-name attribute to
${PROJ_DIR}/models/2N3904.mod (or "./models/2N3904.mod").

4.  Netlist.

5.  Ngspice.  This should just work at this point.

Thanks Stuart,
I'm pretty sure that I've done all of that.  Now I'm left with the
following error when I invoke ngspice:

Error on line 13 : q2 vcoll2 vbase2 vem2 2n3904
        unable to find definition of model  - default assumed

This looks like like my "2N3904" model got it's spelling changed to
"2n3904", but I'm not too sure where.  The only difference from the
TwoStageAmp example is that I populated a models directory with
"2N3904.mod" (and "2n3904.mod", for that matter).

Any other thoughts?

--wpd


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