Amplifiers – With semiconductor amplifying device – Including combined diverse-type semiconductor device
Patent
1988-02-01
1988-11-15
LaRoche, Eugene R.
Amplifiers
With semiconductor amplifying device
Including combined diverse-type semiconductor device
330253, H03F 316, H03F 345
Patent
active
047852593
ABSTRACT:
A BIMOS amplifier having feedback clamping the amplifier's input to a predetermined voltage, minimizes input signal voltage excursions in the presence of large load capacitances. A pair of differentially coupled NPN transistors in response to first and second inputs drive a pair of emitter follower NPN transistors. First and second MOS transistors responsive to first and second enable signals are coupled between the ouptut from each of the emitters of the emitter follower transistors and the first and second inputs, respectively.
REFERENCES:
patent: 4027176 (1977-05-01), Heuber et al.
patent: 4577162 (1986-03-01), Peterson
patent: 4713797 (1987-12-01), Morton et al.
McLaughlin Kevin L.
Molezion Danny J.
Seelbach Walter C.
Koch William E.
LaRoche Eugene R.
Motorola Inc.
Mottola Steven J.
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