Amplifiers – Signal feedback – Combined with control of bias voltage of signal amplifier
Patent
1978-09-28
1980-02-19
Wojciechowicz, Edward J.
Amplifiers
Signal feedback
Combined with control of bias voltage of signal amplifier
357 34, 357 44, 357 51, 330268, 330272, H01L 2702
Patent
active
041897382
ABSTRACT:
There is provided a semiconductor integrated circuit device having a Class B push-pull circuit including a first transistor of which the base is connected with a signal source and the collector to a positive power source, and a second transistor of which the collector is connected with the emitter of the first transistor, the base to the signal source, and the emitter to ground. The first transistor has a large area of safe operation compared with the second transistor.
REFERENCES:
patent: 3961340 (1976-06-01), Encinas
patent: 3986199 (1976-10-01), Williams
Tokyo Shibaura Electric Co. Ltd.
Wojciechowicz Edward J.
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