
A push–pull converter is a type of DC-to-DC converter, a switching converter that uses a transformer to change the voltage of a DC power supply. The distinguishing feature of a push-pull converter is that the transformer primary is supplied with current from the input line by pairs of transistors in a symmetrical push-pull circuit. The transisto...
Found on
http://en.wikipedia.org/wiki/Push–pull_converter

A switching (forward) power converter using 2 semiconductor switches to alternately drive the opposing primaries of a centre-tapped transformer
Found on
https://www.encyclo.co.uk/local/20757
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