From: Phares, Charles ([email protected])
Date: Fri Nov 12 1999 - 15:33:45 PST
quad users,
I am trying to create a model to use in quad to approximate the "on"
resistance and pin capacitance of essentially a cmos transmission gate.
ascii schematically it looks like:
in -------------/\/\/\/\/\/\----------------out
| r
|
= = = c
|
|
gnd
I was hoping that it would be as simple as putting the following
statements
in a model file:
MODEL R_1
PIN 1 TYPE RES_VAL TO PIN 2
PIN 1 TYPE CAP_PAR
END_MODEL
LOADSPEC RES_VAL
REFF: 10
LOADSPEC CAP_PAR
CEFF: 3.5
But, unfortunately, the TOP file only reads the series resistance
parameter
and leaves out the cap. I guess it just doesn't like the dual pin
definition. It doesn't give me an error though.
Can anyone think of a slick way to make this model, using TOPSPEC or
something like that?
Thanks,
Charles Phares
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