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From: Stefan Jones (stefan.jones AT multigig DOT com)
Date: Mon Jun 23 2003 - 04:23:32 EDT

  • Next message: Martin, Mark: "RE: [Ngspice-users] Re: Saturday, I give up" 

    Ok, 

Here are the magic level numbers for ng(tcl)spice bsim:

These have all been taken from tclspice/src/spicelib/parser/inpdomod.c
line 189 and following (the switch statement )

type      Level

MOS1  :   1
MOS2  :   2
MOS3  :   3
BSIM1 :   4
BSIM2 :   5
BSIM3.1 : 49
BSIM3.2 : 50
BSIM3.3 (BSIM3 dir) : 8
BSIM4 : 14

That are all the BSIM models, there are more transistor models, look at
the C-code for them.

So to use a particular BSIM model modify your .model statement to have
level=?? from the above list.

The ekv addition would be an easy addition, if people need it then it
can be quickly added ( in a few hours without much testing ).


Hope this helps,

Stefan


On Sun, 2003-06-22 at 04:00, Martin, Mark wrote:
> it doesn't seem that tclspice has the correct model.  
> 
> The parameters from MOSIS are for the BSIM3v3.1
> 
> Based on the directories I see in the tclspice tree, 
> BSIM3v3 is not present (only BSIM3v1,BSIM3v2)
> 
> The source for BSIM3v3 can be found at 
> 
> http://www-device.eecs.berkeley.edu/~bsim3/get.html
> 
> I hope this can be integrated into the simulator soon.
> It would be nice to have a simulator to use at home.
> Since BSIM3v3 is the industry standard, it goes without
> saying, that tclspice must have it.
> 
> Additionally, I think the EKV model would also be a nice
> addition. 
> 
> I believe a coworker has already done this with a copy of
> spice3f.  
> 
> Mark

-- 
Stefan Jones <stefan.jones AT multigig DOT com>
Multigig Ltd

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