Controllable amplifier circuit

Details Controllable amplifier circuit Controllable amplifier circuit

1989-03-20

1991-01-08

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330307, H03G 330

Patent

active

049839284

ABSTRACT:
In a controllable amplifier circuit with an amplifier transistor a further transistor is provided that, when actuated under control conditions, deprives the amplifier transistor of at least a part of the input signal.

REFERENCES:
patent: 3502997 (1970-03-01), Narud et al.
patent: 3531732 (1970-09-01), Thompson
patent: 3533005 (1970-10-01), Alm
patent: 3803505 (1974-04-01), Ishigaki et al.
patent: 4013972 (1977-03-01), Nishitoba et al.
patent: 4017804 (1977-04-01), Hunsinger
patent: 4318051 (1982-03-01), Harwood et al.
patent: 4327333 (1982-04-01), Wilcox

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