Half wave demodulation circuit

Details Half wave demodulation circuit Half wave demodulation circuit

H - Electricity

02

M

321/90

H02M 7/21 (2006.01) G01R 19/22 (2006.01) H03D 1/22 (2006.01)

Patent

CA 1228116

ABSTRACT OF THE DISCLOSURE An electronic circuit for converting an AC voltage input signal to a DC voltage output signal utilizes a square wave reference signal for regulating a field-effect transistor to switch on the input signal for a half period, and to switch off the input signal for a half period, whereby ripple current flows through a first filter coupled to the transistor for only a half period, with a steady discharge current through the first filter for the other half period, thereby reducing ripple. A second filter coupled to the first filter and an operational amplifier further diminishes ripple.

473568

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