Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – Nonlinear amplifying circuit
Patent
1996-02-26
1998-11-24
Callahan, Timothy P.
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
Nonlinear amplifying circuit
327 65, 327111, 327374, 330253, 330255, H03F 345, H03K 3023, H03K 1704
Patent
active
058413170
ABSTRACT:
A differential amplifier achieving a high throughput rate with reduced power consumption includes a differential circuit, output circuit, a constant current source transistor, a drive transistor, and a switching circuit. A difference voltage relative to a difference between voltages applied to non-inverting and inverting inputs of the differential circuit is applied to the switching circuit. The switching circuit supplies a drive signal to the drive transistor to enable the drive transistor when the difference voltage is below a predetermined threshold voltage, and to disable the drive transistor when the difference voltage is above the predetermined threshold voltage.
REFERENCES:
patent: 4462002 (1984-07-01), Schade, Jr.
patent: 5027013 (1991-06-01), Coy et al.
patent: 5144259 (1992-09-01), Yoshida
patent: 5220288 (1993-06-01), Brooks
patent: 5338980 (1994-08-01), Ovens
patent: 5457433 (1995-10-01), Westwick
patent: 5606287 (1997-02-01), Kobayashi et al.
Date Yoshito
Imamura Yoshio
Koizumi Takashi
Ohmori Tetsurou
Sarai Osamu
Callahan Timothy P.
Englund Terry L.
Matsushita Electric - Industrial Co., Ltd.
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