Electronics Forum / CAD / December 2007

Hello, Rene!
You wrote  on Mon, 17 Dec 2007 21:57:56 +0100:

R> Strange problem, I made a new transistor:

R> bcp69.asy

R> Version 4
R> SymbolType CELL
R> LINE Normal 16 64 44 76
R> LINE Normal 44 76 36 84
R> LINE Normal 16 64 36 84
R> LINE Normal 40 80 64 96
R> LINE Normal 16 80 16 16
R> LINE Normal 16 32 64 0
R> LINE Normal 16 48 0 48
R> WINDOW 0 84 32 Left 0
R> WINDOW 3 84 68 Left 0
R> SYMATTR Value bcp69
R> SYMATTR Prefix QP
R> SYMATTR Description Bipolar PNP transistor
R> SYMATTR SpiceModel bcp69.lib
R> PIN 64 0 NONE 0
R> PINATTR PinName C
R> PINATTR SpiceOrder 1
R> PIN 0 48 NONE 0
R> PINATTR PinName B
R> PINATTR SpiceOrder 2
R> PIN 64 96 NONE 0
R> PINATTR PinName E
R> PINATTR SpiceOrder 3

R> Basically I just modified and renamed the PNP asy.

R> The bcp69.lib works, I placed it both in the working directory, and in
R> the LTC "sub" directory.

R> The lib file works fine when I use the "PNP" transistor, and name it
R> value: "bcp69", and add:
R> ".include bcp69.lib"

R> When using the bcp69.asy, I get "Can't find defenition of model
R> "bcp69.lib"

R> In the netlist, it reverts to ".lib
R> C:\PROGRA~1\LTC\SwCADIII\lib\cmp\standard.bjt"
R> Where did that get from?

R> What would be a nice template?

R> What silly mistake did I make?

R> TIA!

I think your prefix attribute should be X.

With best regards, Brett Holden.  E-mail: bretth2o@bellsoh.net