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Old 14th September 2008, 06:24 PM   #1
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Ty_Bower's Avatar
Join Date: Mar 2007
Location: Newark, DE
Default SE transformer for PP duty?

I've seen people ask if they can use a transformer originally intended for push/pull in a single ended application. Usually the response includes some mention of DC saturation to the lack of an air gap. Then the reply goes on to say, "Try it and let us know how it works out."

I curious to know if the exercise can go the other way. If I have a SE transformer which coincidentally happens to have a tap at 50% (presumably for some kind of UL topology), can I wire the thing up as a PP output?
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Old 14th September 2008, 06:51 PM   #2
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Michael Koster's Avatar
Join Date: Jan 2008
Location: Eureka, CA
The airgap reduces inductance, but running with balanced DC
may increase the inductance vs. running it with DC in the core.

Some might worry about the winding capacitance when both
ends swing with signal voltage...

Try it and let us know how it works out.
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