Gain controllable amplifier stage

Details Gain controllable amplifier stage Gain controllable amplifier stage

1979-09-13

1981-05-12

Dixon, Harold A.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330278, H03F 345

Patent

active

042675189

ABSTRACT:
A common-emitter amplifier having its dynamic voltage gain controlled by using a controlled emitter-follower to shunt the emitter impedance of the common emitter amplifier.

REFERENCES:
patent: 3531731 (1970-09-01), Matsuura et al.
patent: 3706937 (1972-12-01), Hanna
patent: 4041409 (1977-08-01), Kaminami et al.

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