Spice models

JoeBob · 2nd April 2002, 11:09 PM

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.

sonnya · 2nd April 2002, 11:27 PM

Add them to standard.bjt and .jft

Sonny

sonnya · 2nd April 2002, 11:29 PM

hehe!! Faster than Harry!

Sonny

HarryHaller · 2nd April 2002, 11:35 PM

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.

sonnya · 2nd April 2002, 11:48 PM

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

JoeBob · 3rd April 2002, 01:17 AM

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

.

Jocko Homo · 3rd April 2002, 01:28 AM

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

Just hook 'em up.

Jocko

JoeBob · 3rd April 2002, 03:05 AM

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

.

capslock · 3rd April 2002, 09:14 AM

Sonny,

I can provide two links for companies that will make double sided PCBs at 50€ per 160x100 mm² 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

sonnya · 3rd April 2002, 09:36 AM

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

2nd April 2002, 11:09 PM	#1
JoeBob diyAudio Member Join Date: Nov 2001 Location: Montreal, Canada	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.

2nd April 2002, 11:35 PM	#4
HarryHaller Banned Join Date: Feb 2002 Location: Dallas,Texas	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.

3rd April 2002, 01:28 AM	#7
Jocko Homo Banned Join Date: Feb 2002 Location: As far from the NOSsers as possible	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

3rd April 2002, 09:14 AM	#9
capslock diyAudio Member Join Date: Feb 2002 Location: Germany	PCBs Sonny, I can provide two links for companies that will make double sided PCBs at 50€ per 160x100 mm² 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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2nd April 2002, 11:29 PM	#3
sonnya diyAudio Member Join Date: Oct 2001 Location: Denmark	hehe!! Faster than Harry! Sonny

2nd April 2002, 11:48 PM	#5
sonnya diyAudio Member Join Date: Oct 2001 Location: Denmark	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

3rd April 2002, 01:17 AM	#6
JoeBob diyAudio Member Join Date: Nov 2001 Location: Montreal, Canada	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 .

3rd April 2002, 03:05 AM	#8
JoeBob diyAudio Member Join Date: Nov 2001 Location: Montreal, Canada	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 .

3rd April 2002, 09:36 AM	#10
sonnya diyAudio Member Join Date: Oct 2001 Location: Denmark	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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