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US Patent 7868692 Low noise and common mode current power supply

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Patent
Patent
1

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
78686921
Patent Inventor Names
James A. Niemann1
Date of Patent
January 11, 2011
1
Patent Application Number
121243921
Date Filed
May 21, 2008
1
Patent Primary Examiner
‌
Bao Q. Vu
1
Patent abstract

A power supply includes: a switching amplifier including an input and an output, the amplifier input being adapted to be powered by an electrical power source; a transformer including a primary and a secondary winding on a magnetic core, the number of winding turns being chosen to limit magnetization levels to avoid magnetic saturation while maximizing winding spacing, the transformer primary winding being in communication with the amplifier output; a rectification system in communication with the transformer secondary winding, the rectification system providing a DC power output; and a controller. The controller monitors the DC power output and adjusts the switching amplifier in response to the monitoring to provide a desired power output characteristic.

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