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4hv.org :: Forums :: General Science and Electronics
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Circuit Simulator

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ZakWolf
Wed Nov 21 2012, 06:21PM Print
ZakWolf Registered Member #3114 Joined: Sat Aug 14 2010, 08:33AM
Location:
Posts: 608
In my engineering class we are using a circuit simulator called Multisim. I had drawn up my own circuit for a pcb of a half bridge plasma speaker using the sg3525. I had asked on here a long time ago to help debug my circuit, after extensive testing and no results I gave up. I figured I would input my old design in the simulator to see if everything works.

One problem, I cannot find an sg3525 model or an equivalent anywhere, I was wondering if anyone had previous experience with multisim and could make a spice model of the IC for me.
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Sulaiman
Thu Nov 22 2012, 06:13AM
Sulaiman Registered Member #162 Joined: Mon Feb 13 2006, 10:25AM
Location: United Kingdom
Posts: 3140
see if the model is SG2525 or UC2525,UC3525
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Experimentonomen
Thu Nov 22 2012, 04:23PM
Experimentonomen Registered Member #941 Joined: Sun Aug 05 2007, 10:09AM
Location: in a swedish junk pile
Posts: 497
SG2525 is totem pole output while SG3525 like the TL494 is open collector output.

I have a TL494 model for linear tech's Switchercad if thats of any help.
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ZakWolf
Fri Nov 23 2012, 07:05AM
ZakWolf Registered Member #3114 Joined: Sat Aug 14 2010, 08:33AM
Location:
Posts: 608
I will check for those ics Sulaiman
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Meatball
Mon Nov 26 2012, 07:56PM
Meatball Registered Member #2401 Joined: Mon Sept 28 2009, 04:25PM
Location:
Posts: 74
You may have to build your own device if it comes down to it. Multisim is a SPICE simulator, so there may be device description code available from the manufacturer.
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ZakWolf
Mon Nov 26 2012, 11:49PM
ZakWolf Registered Member #3114 Joined: Sat Aug 14 2010, 08:33AM
Location:
Posts: 608
I checked for the alternative chips, i couldn't find them. I messed with the "model maker" and it was a bit confusing. I will work on it
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