Rectifying circuits

Details Rectifying circuits Rectifying circuits

1975-10-28

1977-01-18

Beha, Jr., William H.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

328 26, H02M 7217

Patent

active

040041611

ABSTRACT:
A rectifying circuit comprises a high gain A.C. amplifier having first and second rectifying means connected in respective negative feedback paths between its output and its input and arranged to pass respective feedback currents of opposite polarity. A current copying device is responsive to the current flowing in one of the rectifying means to copy this current.
In a preferred embodiment, said one rectifying means comprises the base-emitter junction of a first transistor, whose collector is connected to the input of the amplifier, and the current copying means comprises a second transistor, matched with the first transistor, and having its base-emitter junction connected in parallel with the base-emitter junction of the first transistor. The rectified output signal in this embodiment is taken from the free collector of the second transistor.

REFERENCES:
patent: 3310726 (1967-03-01), James
patent: 3411066 (1968-11-01), Bravenec
patent: 3493784 (1970-02-01), Brolin
patent: 3940681 (1976-02-01), Ohsawa

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