Amplifier with controllable transmission factor and switchable c

Details Amplifier with controllable transmission factor and switchable c Amplifier with controllable transmission factor and switchable c

1976-07-06

1977-07-05

Rolinec, Rudolph V.

Amplifiers

Signal feedback

Variable impedance in feedback path varied by separate...

330 51, 330103, 330109, H03F 136

Patent

active

040343081

ABSTRACT:
An amplifier circuit whose gain bears a desired relation to a control voltage, including a differential amplifier, a plurality of impedances interconnected between the amplifier terminals and switches interconnected with the impedances and switchable between two states which create two impedance configurations that give the circuit mutually complementary gain vs. control voltage control characteristics.

REFERENCES:
patent: 3815039 (1974-06-01), Fujisawa et al.

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