Converting spice2 POLY sources to spice3?

jarna_j · 3rd May 2004, 05:44 PM

Hi!

Does anyone know a program or scipt which can be used to convert models including Spice2 POLY sources to their Spice3 equivivalents? There are a few posts in various newsgoups and some references to this kind of programs, but I haven't managed to find any.

I'm using Spice 3f5 in Linux and I'm not willing to change my simulation environment.

Regards,

-j

jarna_j · 4th May 2004, 06:10 PM

Oh my ...

>
> I'm using Spice 3f5 in Linux and I'm not willing to change my simulation
> environment.
>

I'm not willing to make any changes to my near perfect simulation environment ;-) but the programs/scripts/source codes/whatever doesn't have to be for Linux. DOS or Windows will be fine too.

Regards,

-j

jarna_j · 24th May 2004, 04:58 PM

Well, well. It would seem that I'm using outdated environment for my simulation work ;-) What a pity tough, it works flawlessly.

Anyway, does anyone happen to have spice3 compatible models for the following opamps: AD797, AD811, AD8099 and OP37?

Regards,

-j

faveluka · 21st March 2005, 07:23 PM

Hi,

I ran across the same problem a month ago (free vendor models in spice2, not spice3,) and in searching, found a lot of questions, but no scripts. Mistakenly thinking it would be easy, I set out to write one. It's pretty ugly, and there's probably bugs, but here it is. I've used it with "E" VCVS sources, but none of the current controlled sources.

here's my attempt at a script:
http://www.dnlnk.com/Images/Spice2to3-2005-03-14.tar.gz

I believe ngspice can be compiled with options to support spice2 poly() syntax, and that's probably the best way to do it. I'd especially appreciate it if someone with both spice's could check a few conversions.

I'm totally new to this group.. seems pretty cool! I don't do a lot with audio, but recently helped my brother set up a mobile "sound tower," and have in the past experimented with Class D amps a little. Nice to see I'm not the only one who likes to solder stuff together once in awhile.

Cheers,

Alex

andy_c · 22nd March 2005, 01:23 AM

Quote:

Originally posted by jarna_j
Anyway, does anyone happen to have spice3 compatible models for the following opamps: AD797, AD811, AD8099 and OP37?

Have you tried the ones from Analog Devices? There's an app note, AN-138 that describes them here.

3rd May 2004, 05:44 PM	#1
jarna_j diyAudio Member Join Date: May 2004 Location: Near Helsinki	Converting spice2 POLY sources to spice3? Hi! Does anyone know a program or scipt which can be used to convert models including Spice2 POLY sources to their Spice3 equivivalents? There are a few posts in various newsgoups and some references to this kind of programs, but I haven't managed to find any. I'm using Spice 3f5 in Linux and I'm not willing to change my simulation environment. Regards, -j

21st March 2005, 07:23 PM	#4
faveluka diyAudio Member Join Date: Mar 2005 Location: Portland, Oregon	spice2to3 Hi, I ran across the same problem a month ago (free vendor models in spice2, not spice3,) and in searching, found a lot of questions, but no scripts. Mistakenly thinking it would be easy, I set out to write one. It's pretty ugly, and there's probably bugs, but here it is. I've used it with "E" VCVS sources, but none of the current controlled sources. here's my attempt at a script: http://www.dnlnk.com/Images/Spice2to3-2005-03-14.tar.gz I believe ngspice can be compiled with options to support spice2 poly() syntax, and that's probably the best way to do it. I'd especially appreciate it if someone with both spice's could check a few conversions. I'm totally new to this group.. seems pretty cool! I don't do a lot with audio, but recently helped my brother set up a mobile "sound tower," and have in the past experimented with Class D amps a little. Nice to see I'm not the only one who likes to solder stuff together once in awhile. Cheers, Alex

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4th May 2004, 06:10 PM	#2
jarna_j diyAudio Member Join Date: May 2004 Location: Near Helsinki	Oh my ... > > I'm using Spice 3f5 in Linux and I'm not willing to change my simulation > environment. > I'm not willing to make any changes to my near perfect simulation environment ;-) but the programs/scripts/source codes/whatever doesn't have to be for Linux. DOS or Windows will be fine too. Regards, -j

24th May 2004, 04:58 PM	#3
jarna_j diyAudio Member Join Date: May 2004 Location: Near Helsinki	Well, well. It would seem that I'm using outdated environment for my simulation work ;-) What a pity tough, it works flawlessly. Anyway, does anyone happen to have spice3 compatible models for the following opamps: AD797, AD811, AD8099 and OP37? Regards, -j

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