Variable gain alternating voltage amplifier

Details Variable gain alternating voltage amplifier Variable gain alternating voltage amplifier

1978-05-18

1980-08-05

Mullins, James B.

Amplifiers

Signal feedback

Variable impedance in feedback path varied by separate...

330282, 330290, H03G 300

Patent

active

042164346

ABSTRACT:
A variable gain alternating voltage amplifier having a d.c. negative feedback loop for setting the operating point of the amplifier wherein a change in gain of the amplifier is effected by a variable resistance feedback loop which is connected in parallel with the d.c. negative feedback loop and includes the series connection of a controllable resistor and a capacitor.

REFERENCES:
patent: 3569603 (1971-03-01), Kern
patent: 3679986 (1972-07-01), Zaman
patent: 3764745 (1973-10-01), Bottcher et al.

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