Circuit arrangement for amplifying an electrical signal converte

Details Circuit arrangement for amplifying an electrical signal converte Circuit arrangement for amplifying an electrical signal converte

1997-10-27

1999-09-14

Pascal, Robert

Amplifiers

With semiconductor amplifying device

Including gain control means

330 86, 359194, 250214AG, H03G 310, H03F 136, H04B 1006, H01J 4014

Patent

active

059528834

ABSTRACT:
In order to effectively amplify an electrical signal converted from an optical signal, first and second amplifiers are coupled in series. A controller is arranged such as to receive outputs of the first and second amplifiers and to produce first and second control signals based on the outputs. The first and second amplifiers respectively change gains thereof in response to the first and second control signals. The output of the second amplifier is an output of the arrangement.

REFERENCES:
patent: 4378527 (1983-03-01), Beauducel et al.
patent: 4704584 (1987-11-01), Smither

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