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Re: [Help-gnucap] Digital mode simulation
From: |
al davis |
Subject: |
Re: [Help-gnucap] Digital mode simulation |
Date: |
Thu, 3 Aug 2006 01:43:01 -0400 |
User-agent: |
KMail/1.9.3 |
On Wednesday 02 August 2006 17:30, Jose Roberto B. de A.
Monteiro wrote:
> .print dc V(V2) V(V3) VO(U1) VO(U2)
> .dc V2 0 10 1 >nor-test.dat
> .END
>
>
> But I not got the following result:
>
> # V(V2) V(V3) VO(U1) VO(U2)
> 0. 0. 10. ?? ??
> 1. 1. 10. ?? ??
> Is there something that I am doing wrong? Maybe a missing
LOGIC model
> parameter, etc.
>
VO is not a valid probe on a U device. The only valid probes
are the same as the ones for the output node. (V, Logic, etc.)
Since it cannot always be determined when you ask for a probe
whether it is valid or not, it accepts anything, but prints ??
as the value for an invalid probe.
Also .... you rarely need to specify "mode=digital". The
simulator should be able to select the mode automatically.