Light-receiving device for optical data transfer system

Details Light-receiving device for optical data transfer system Light-receiving device for optical data transfer system

1983-09-26

1986-01-28

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including atomic particle or radiant energy impinging on a...

250214A, H03F 1700

Patent

active

045674469

ABSTRACT:
A light-receiving device including a photo-detector, for issuing a current signal corresponding to a received light signal, preamplifier, variable attenuating circuit and main amplifier. The preamplifier acts as a current amplifier for amplifying an output current signal from the photo-detector. The variable attenuating circuit acts as a current attenuating circuit for attenuating an output current signal from the preamplifier. The main amplifier amplifies an output current from the variable attenuating circuit and issues an amplified voltage.

REFERENCES:
patent: 4019160 (1977-04-01), Kam
Tarasyuk et al., "Increasing the Operational Reliability of the Automation Unit for the LG-32 Laser", Instrum. & Exp. Tech., vol. 22, No. 4, Jul.-Aug. 1979, pp. 1136-1138.

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