Buffer circuit with wide dynamic range

Details Buffer circuit with wide dynamic range Buffer circuit with wide dynamic range

1997-11-12

1999-11-30

Le, Dinh T.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

327 74, 327331, 327478, H03K 508

Patent

active

059949422

ABSTRACT:
A buffer circuit including current sources and switches to connect and disconnect current sources to an output node. The switches are controlled by voltage detectors for comparing an input signal with a reference level. When the reference level is a predetermined value, the amplitude of an output signal swings up to V.sub.CC and swings down to V.sub.EE.

REFERENCES:
patent: 3483425 (1969-12-01), Yanishevsky
patent: 4382198 (1983-05-01), Ishijima et al.
patent: 4590394 (1986-05-01), Pace
patent: 5488322 (1996-01-01), Kaplinsky
patent: 5498990 (1996-03-01), Leung et al.
F. Raab, "Average Efficency of Class-G Power Amplifiers," 8087 IEEE Transactions on Consumer Electronics, CE-32, No. 2, May 1986, pp. 145-150.

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