Circuit in which output circuit and operational amplifier equipp

Details Circuit in which output circuit and operational amplifier equipp Circuit in which output circuit and operational amplifier equipp

1984-11-06

1987-01-13

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307311, 307490, 307503, 328 26, H03K 500, H03K 342

Patent

active

046366555

ABSTRACT:
A full wave rectifying circuit which has an operational amplifier, the noninverting input terminal of which is connected to ground and to the inverting input terminal of which an AC input voltage Vin is applied. Also included are two opposite polarity LEDs connected in parallel in a feedback loop between the output terminal and the inverting input terminal of the amplifier; photo transistors, which receive the emitted light of the LEDs and convert it to a current of corresponding value; and a load resistor which converts the current to voltage.

REFERENCES:
patent: 3112449 (1963-11-01), Miller
patent: 3196291 (1965-07-01), Woodward
patent: 3410961 (1968-11-01), Slana
patent: 3588671 (1971-06-01), Deboo
patent: 4268789 (1981-05-01), Nagano

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