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SPICE program recommendation needed
SPICE program recommendation needed
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Old 19th March 2007, 01:54 AM   #1
hifimaker is offline hifimaker  United States
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Default SPICE program recommendation needed

I'm looking to start playing with simulations.

Is there a decent SPICE program for Windows that anyone would recommend?

Ideally I like to find something free or inexpensive since I'm a noob. I'm particularly interested in simulating 2sk389 and 2sk170 Jfet parts.

Thank you!

-David
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Old 19th March 2007, 02:00 AM   #2
andy_c is offline andy_c  United States
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Just grab a copy of LTSpice from the Linear Technology web site. They call it "SwitcherCAD" but everybody who uses it calls it LTSpice. It's free and has no circuit size limitations like some freeware simulators do.
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Old 19th March 2007, 02:00 AM   #3
I_Forgot is offline I_Forgot  United States
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Try Switcher CAD from Linear Technology. FREE, no limitations, etc. Doesn't come with those models so you will have to obtain them (sometimes from data sheet) and/or enter them yourself.

The intusoft manual has some info about tweaking JFET models that may be useful:
http://www.i-t.com/download/intusoft/modlist.pdf

I_F
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Old 19th March 2007, 04:35 PM   #4
hifimaker is offline hifimaker  United States
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Thanks guys. I downloaded LTSpice. Looks very powerful and you cannot beat the price.

-David
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Old 20th March 2007, 12:24 PM   #5
nickds1 is offline nickds1  England
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LTspice is excellent and very very very actively maintained by the author.

Support is either via sci.electronics.cad or via the highly active Yahoo! group, called, surprisingly, "ltspice"! The author hangs out in both those locations, as do a lot of other very knowledgeable & helpful professional engineers.

FWIW, it understands Pspice formats, so can use almost any model out there.
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