Power amplifier in bicmos technology having an output stage in M

Details Power amplifier in bicmos technology having an output stage in M Power amplifier in bicmos technology having an output stage in M

1997-07-16

1999-06-08

Tran, Toan

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Utilizing three or more electrode solid-state device

327433, 327108, H03K 1760

Patent

active

059107480

ABSTRACT:
The present invention relates to a power amplifier having an output stage in MOS technology, including an upper half-output stage comprised of two P-channel MOS power transistors mounted as a current mirror, a lower half-output stage comprised of two N-channel MOS power transistors mounted as a current mirror, an output terminal of the amplifier corresponding to the common drains of a first MOS transistor of the upper stage and of a first MOS transistor of the lower stage, and a control stage in bipolar technology for setting, according to a control voltage, two control currents of the half-output stages.

REFERENCES:
patent: 4047059 (1977-09-01), Rosenthal
patent: 4570128 (1986-02-01), Monticelli
patent: 4943737 (1990-07-01), Guo et al.
patent: 5055796 (1991-10-01), Schaffer
patent: 5361040 (1994-11-01), Barrett, Jr.
patent: 5475343 (1995-12-01), Bee
patent: 5523709 (1996-06-01), Phillips et al.
patent: 5637992 (1997-06-01), Edwards

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