[SI-LIST] Re: simulation in Nexxim
- From: Mohamad Haghtalab <mohaghtalab@xxxxxxxxx>
- To: Saoer Sinaga <saoer.sinaga@xxxxxxxxx>
- Date: Tue, 9 Sep 2008 00:50:23 -0700 (PDT)
it's transient simulation,the s parameter model contain 0 Hz data(matrix),but
what's non-causal S-param?,what's the solution?
regards
--- On Mon, 9/8/08, Saoer Sinaga <saoer.sinaga@xxxxxxxxx> wrote:
From: Saoer Sinaga <saoer.sinaga@xxxxxxxxx>
Subject: [SI-LIST] Re: simulation in Nexxim
To: "'SI LIST'" <si-list@xxxxxxxxxxxxx>
Date: Monday, September 8, 2008, 10:39 PM
Is it a frequency domain simulation or transient simulation. The causes
are likely to be non-causal S-par and/or no DC data in your S-par.
saoer
Mohamad Haghtalab wrote:
>
> Hi all
> I have a design in Nexxim(ansoft designer) in which there is both
S-parameter and Spice models blocks,s parameter blocks all have one port named
'ref ' ,I connect all these ports to ground in shematic,if all models
were S parameter when simulating the design we dont have any error ,but if we
add a spice model (e.g. LNA model) we have error in simulation
> (DC continuation...),the problem seems to be the refrence of spice
model(?),can you help me about that?
>
> Regards
>
> Haghtalab
>
>
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