Rectifier circuit not using clock signal

Details Rectifier circuit not using clock signal Rectifier circuit not using clock signal

1992-10-02

1994-04-26

Sikes, William L.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307529, 307262, 307236, H03F 345

Patent

active

053069684

ABSTRACT:
A rectifier circuit without using a clock signal is provided. In this circuit, a polarity judgment circuit receives an AC signal and judges the positive
egative polarity of voltage of the AC signal and output the polarity specification signal. A gain control circuit receives the polarity specification signal and outputs a first and a second gain control signals having different DC voltage differences between the times when the result of "Positive polarity" is shown and when the result of "Negative polarity" is shown. A first amplifier circuit amplifies the AC signal differentially, and a second amplifier circuit amplifies the AC signal thus amplified differentially again while gain controlled according to the first and second gain control signals. A rectified signal is outputted from differential output terminals of the second amplifier circuit.

REFERENCES:
patent: 3170125 (1965-02-01), Thompson
patent: 4052679 (1977-10-01), Hosoya
patent: 4435656 (1984-03-01), Tomuro
patent: 5002372 (1991-03-01), Nyqvist
patent: 5107150 (1992-04-01), Kimura
"Design and Application of SC Circuit", Section 3.1, by Kenji Nakayama, published by Tokai University Publication Division 1985, pp. 36-47, 286 and one additional page (including English language summarized translation).

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