Integrated circuit preamplifier for an optical receiver

Details Integrated circuit preamplifier for an optical receiver Integrated circuit preamplifier for an optical receiver

1996-04-05

1998-08-11

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including particular biasing arrangement

330308, 330311, H03F 304

Patent

active

057932565

ABSTRACT:
In a preamplifier for amplifying an input signal supplied to an input terminal to supply an amplified output signal and a reference output signal to an output terminal and a reference output terminal, respectively, a reference level circuit produces a reference level. An amplifier is connected to the reference level circuit and has a predetermined structure. The amplifier amplifies the input signal into the amplified output signal with reference to the reference level to supply the amplified output signal to the output terminal. A dummy circuit is connected to the reference level circuit and has a structure which is identical with the predetermined structure. The dummy circuit responds to the reference level to produce the reference output signal related to the amplified output signal.

REFERENCES:
patent: 4612464 (1986-09-01), Ishikawa et al.
patent: 4633190 (1986-12-01), Malm
patent: 4882482 (1989-11-01), Smith et al.

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