Power supply
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United States of America Patent
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Jun 5, 2012
Grant Date -
Jul 2, 2009
app pub date -
Dec 28, 2006
filing date -
Dec 30, 2005
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A switching regulator for regulating an ac signal, and method of supplying power thereto wherein the regulator includes a positive half cycle part and a negative half-cycle part arranged to regulate the respective parts of an input ac signal. Each half-cycle part includes a modulating transistor, having an associated modulator diode, and a clamping diode arranged to protect the modulating transistor from reverse-bias voltages and having an associated clamp switch. The regulator further has a first switching controller operable to cause the modulating transistors to switch and a second, separate switching controller operable to cause the clamp switches to switch.
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