Gain distribution circuit

Amplifiers – With control of power supply or bias voltage – With control of input electrode or gain control electrode bias

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Details

330134, 330279, 4552342, 4552411, H03G 330

Patent

active

058670637

ABSTRACT:
A system (100 or 200) includes a first AGC stage (102) having a programming input and a gain input. A second AGC stage (104 or 210 and 234) is coupled in a common path with the first AGC stage, the second AGC stage having a programming input and a gain input. The first and second AGC stages are programmed by respective programming signals to produce independent gain characteristics responsive to a common gain signal at their respective gain inputs.

REFERENCES:
patent: 4774474 (1988-09-01), Beauducel et al.
patent: 4775988 (1988-10-01), Chevillat et al.
patent: 5204977 (1993-04-01), Feldt
patent: 5376895 (1994-12-01), Aihara
patent: 5432473 (1995-07-01), Mattila et al.

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