Scr regulator for a television apparatus

Details Scr regulator for a television apparatus Scr regulator for a television apparatus

H - Electricity

04

N

350/108

H04N 5/44 (2006.01) H04N 3/185 (2006.01)

Patent

CA 1300743

RCA 84,886 ABSTRACT In a switching power supply for a television apparatus, a switching stage is coupled to a source of DC input voltage and to an energy storage inductance for developing a source of DC supply voltage. Operation of the switching stage generates a switched waveform voltage in the inductance. The primary winding of a flyback transformer is coupled to and energized by the DC supply voltage. A second winding of the flyback transformer is coupled to the inductance and provides a magnetic path, via the flyback transformer, for energy to circulate between the source of DC supply voltage and the energy storage inductance. An auxiliary winding is magnetically coupled to the inductance and to a load circuit, such as a high power audio stage, for transferring at least a portion of the circulating energy to the load circuit. Additionally, the flyback transformer may be used to directly transfer energy to the load circuit.

598069

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