Amplifiers – With control of power supply or bias voltage – With control of input electrode or gain control electrode bias
Patent
1996-12-05
1999-02-02
Mullins, James B.
Amplifiers
With control of power supply or bias voltage
With control of input electrode or gain control electrode bias
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.
Gonzalez David M.
Hietala Alexander Wayne
Snider James Roderick
Motorola Inc.
Mullins James B.
Vaas Randall S.
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