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[Help-gnucap] level 3 model problem

From: Philipp Klaus Krause
Subject: [Help-gnucap] level 3 model problem
Date: Wed, 30 Jun 2010 18:26:52 +0200
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20100620 Icedove/3.0.5

I'm rather new to gnucap, so this could be a user error, but:

I've seen the following problem three times:
gnucap just outputs lots of @@@unreachable:u_limit.h:110:fet_limit_vgs
messages (and a R1.X1: RTEMP: effective length is negative or zero
warning before). Each time it occoured using level 3 models (and I don't
remember not seing the problem when using level 3 models). I've tested
on two different machines, both running Debian.

I have attached a sample to reproduce the problem:

Run gnucap -b pindriver3_vcc_to_pin.sim

In this case the problem seems to be with the Si1539P.


P.S.: When I replace the 0.25 Ohm resistor using a model that causes the
warning, by an ordinary 0.25 Ohm or 1 Ohm resistor gnucap just prints a
"did not converge" and hangs (Ctrl-C still works).

Attachment: 2N7002K.lib
Description: Text document

Attachment: BAV99.prm
Description: Text document

Attachment: BSS84.lib
Description: Text document

Description: Text document

Attachment: pindriver3_vcc_to_pin.sim
Description: Text document

Attachment: Si1539.lib
Description: Text document

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