Low noise and common mode current power supply

Details Low noise and common mode current power supply Low noise and common mode current power supply

2011-01-11

2011-01-11

Vu, Bao Q (Department: 2838)

Amplifiers

Modulator-demodulator-type amplifier

C330S20700P, C330S251000, C330S297000, C327S125000, C327S562000

Reexamination Certificate

active

07868692

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.

REFERENCES:
patent: 3976932 (1976-08-01), Collins
patent: 4554512 (1985-11-01), Aiello
patent: 5345198 (1994-09-01), Jacobson
patent: 5736906 (1998-04-01), Jacobson
patent: 5949296 (1999-09-01), Jacobson
patent: 2002/0125941 (2002-09-01), Nguyen
patent: 2002/0140317 (2002-10-01), Knowles et al.

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