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Old 13th January 2007, 12:02 AM   #1
nhuwar is offline nhuwar  United States
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Default Tube spice models

Ok I currently use anasoft superspice and was wondering can you create you own component models or not.

Thanks Nick
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Old 13th January 2007, 12:15 AM   #2
kevinkr is offline kevinkr  United States
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Not familiar with anasoft superspice. I use LTspice (its freeware and very powerful, no node limits) and have lots of tube models for it.

PM me sometime, I live in Quincy, MA. too. How about that - another tube-o-phile in town..
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Old 13th January 2007, 12:23 AM   #3
nhuwar is offline nhuwar  United States
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cool I'll check out ltspice. Ok don't think I'm stupid but what do you mean by pm
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Old 13th January 2007, 12:24 AM   #4
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Kevin,

Do you get your models from the 'net or do you grow your own?
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Old 13th January 2007, 12:28 AM   #5
nhuwar is offline nhuwar  United States
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I just have what came with the software currently but I'd like to know how I can make my own.
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Old 13th January 2007, 12:40 AM   #6
kevinkr is offline kevinkr  United States
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Hi Nhuwar,
PM means private message, if you don't see a pm button at the bottom of my post you can email me from my website which is listed in my signature.

Hi Ray,
I have imported models from various places and made a few using curve captor. (There's a thread here, CC works well. A little user unfriendly perhaps.) Triode models seem to be good. I have had less success using paintcc (paint_kip) to make pentode models - they're not very good.
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Old 13th January 2007, 12:45 AM   #7
nhuwar is offline nhuwar  United States
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Thanks for the info I just download ltspice I'm gunna check it out. Also just checked out your site got some good stuff on there.

I'll drop you a email

Nick
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Old 13th January 2007, 01:49 PM   #8
kevinkr is offline kevinkr  United States
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Hey Nick,
I think you'll find LTspice quite useful. I can send you a pretty comprehensive tube library for LTSpice, it should save you quite a lot of time and aggrevation.

It's very easy to modify its libraries and add bjts, fets, diodes and the like to the existing libraries.

Results of course are only as good as the models used.

I have made a few pentode models using paintcc and was unable to get a good curve match - the resulting models are pretty poor and I therefore avoid using them. It makes me suspect that most current pentode models out there are not that good either.
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Old 13th January 2007, 06:30 PM   #9
nhuwar is offline nhuwar  United States
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Great Kevin that sounds excellent.
I'm assuming that you don't have a model for a 813 beam terode though anywas it will be a good lessen for me to create the model to punch it into spice.

If you want you can send me a emial with a attachment I think I have the link turned on
If not let me know

And I'll shut you a email abit latter.

nick
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Old 13th January 2007, 06:45 PM   #10
gootee is offline gootee  United States
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Quote:
Originally posted by kevinkr
Hey Nick,
I think you'll find LTspice quite useful. I can send you a pretty comprehensive tube library for LTSpice, it should save you quite a lot of time and aggrevation.

It's very easy to modify its libraries and add bjts, fets, diodes and the like to the existing libraries.

Results of course are only as good as the models used.

I have made a few pentode models using paintcc and was unable to get a good curve match - the resulting models are pretty poor and I therefore avoid using them. It makes me suspect that most current pentode models out there are not that good either.
Hi kevinkr,

If you haven't done so, already, you might consider putting your tube model library into the files section of the LT-Spice users' group, at http://www.yahoogroups.com .

That group is truly-excellent, for LT-Spice support! And the author of LT-Spice, Mike Englehardt (aka "Panama Mike"), of Linear Technology Corp, is a regular there, too.

There have been requests, there, lately, for tube models. The only good suggestion for existing models, that I saw at the time, was the duncanamps site.

- Tom Gootee

http://www.fullnet.com/~tomg/index.html

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