Amplifiers – With semiconductor amplifying device – Including gain control means
Reexamination Certificate
2007-10-09
2007-10-09
Choe, Henry (Department: 2817)
Amplifiers
With semiconductor amplifying device
Including gain control means
C330S296000
Reexamination Certificate
active
11048200
ABSTRACT:
A gain stage control method may include providing a control current signal; generating a regulation current signal connected to the control current signal; transforming the regulation current signal into a biasing current, proportional to the regulation current signal; and biasing the gain stage by using the biasing current. The biasing current may be related to the control current signal by an exponential law.
REFERENCES:
patent: 4413235 (1983-11-01), Jason
patent: 6791418 (2004-09-01), Luo et al.
patent: 6806775 (2004-10-01), Abe
Carrara Francesco
La Paglia Luca
Palmisano Giuseppe
Scuderi Angelo
Scuderi Antonino
Allen Dyer Doppelt Milbrath & Gilchrist, P.A.
Choe Henry
Jorgenson Lisa K.
STMicroelectronics S.r.l.
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