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Subject: Need help for SMPS

Date: 12/26/00 at 5:01 PM
Posted by: IVO GELOV
E-mail: 790109@usa.net
Message Posted:

I'va found a schematic for SMPS in a book. But author had omissed information for the impulse transformer.
I tried to simulate circuit in EWB 5.12 and PSpice 8.0 with no success - EWB can not manage transformers with more than 2 coils, and PSpice has no model for diac (dynistor). I need to know number of turns, diameter of wires, type of magnetic core (at least "u" and max. induction of core). Schematic is on my web-page at "http://pws.prserv.net/neptun/SMPS.GIF". Thank you in advance.

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