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Old 2nd April 2002, 10:09 PM   #1
JoeBob is offline JoeBob  Canada
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Default Spice models

Well, I recently discovered spice. It sure is wonderfull. But I can't find any spice models for toshiba 2SC2240 and 2SA970 BJTs, can anyone send me them? In case it matters, I'm using LT's free spice simulator.
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Old 2nd April 2002, 10:27 PM   #2
sonnya is offline sonnya  Denmark
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Add them to standard.bjt and .jft



Sonny
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Old 2nd April 2002, 10:29 PM   #3
sonnya is offline sonnya  Denmark
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hehe!! Faster than Harry!



Sonny
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Old 2nd April 2002, 10:35 PM   #4
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Default Spice models

Good luck Sonny. I got my but chewed because the last models I offered were not the "official" models! By the way people, some of the Spice models from the vendors are not perfect. That is why people measure things after modeling them.

H.H.
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Old 2nd April 2002, 10:48 PM   #5
sonnya is offline sonnya  Denmark
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Hi Harry

Have you read the "disclaimer" from any vendor...

I think it says it all.

By the way i am going to build an preamp/amp next month i think .. When i have the money for PCB's.

You are right about testing after modeling. There could be a lot of things wrong with you sim... Temperature, perfect supply rails etc.... Still you can see how far of track you are! not by nanometers but millimeters.

Sonny
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Old 3rd April 2002, 12:17 AM   #6
JoeBob is offline JoeBob  Canada
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Don't worry, I wouldn't "chew" anyone. Even if they're off, it's probably better to use them, then a different transistor model.

And simulating it is just supposed to get an idea if it'd work, I know the real thing is gonna be really different...

Oh, and thanks by the way .
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Old 3rd April 2002, 12:28 AM   #7
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Default Spice models..............

If I knew you were going to model those things, I wouldn't have sent them to you. [joke]

Just hook 'em up.

Jocko
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Old 3rd April 2002, 02:05 AM   #8
JoeBob is offline JoeBob  Canada
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Oh, I will. But I was just playing around with spice, and thought I might as well use the right ones.

Spice is cool and all, but I still think there's no substitute to actually building the circuit. Plus, probing with a real multimeter is so much more fun .
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Old 3rd April 2002, 08:14 AM   #9
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Default PCBs

Sonny,

I can provide two links for companies that will make double sided PCBs at 50€ per 160x100 mm˛ card (if you can wait three working weeks). Turns out I usually am not patient enough and make them at home...

One is www.pcb-pool.de.

I'd have to search for the other one, nice thing being it will contain stop lacquer.

Eric
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Old 3rd April 2002, 08:36 AM   #10
sonnya is offline sonnya  Denmark
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Hi Eric

I can see this is the same price as the one i got from ELPRINT in denmark. 4 boards (100x160mm) ~ 1800 - 2500 dkr. depending on number of tools,density thickness of tracks.
I use them already at my work.
The board are going to be fullsize like A4 paper.

But thanks for the link.

Sonny
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