Linear gain control apparatus utilizing feed forward level contr

Details Linear gain control apparatus utilizing feed forward level contr Linear gain control apparatus utilizing feed forward level contr

1978-06-26

1980-02-12

Mullins, James B.

Amplifiers

With control of power supply or bias voltage

With control of input electrode or gain control electrode bias

330279, H03G 320

Patent

active

041885872

ABSTRACT:
A gain control amplifier including a plurality of cascaded multipliers with a feed forward gain control circuit attached between the input and a control terminal of the amplifier and providing a logarithmic function of a logarithmic function as the control signal for converting the transfer function of the amplifier to a substantially linear function.

REFERENCES:
patent: 3475688 (1969-10-01), Masonson
patent: 3652871 (1972-03-01), Delagrange

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