Resonance-type optical receiver circuit and method of receiving

Details Resonance-type optical receiver circuit and method of receiving Resonance-type optical receiver circuit and method of receiving

1993-11-02

1994-12-06

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

359187, 330279, H04B 1006

Patent

active

053713540

ABSTRACT:
The present invention provides a resonance-type optical receiver circuit which keeps predetermined small distortion even when the received light level becomes high. The resonance-type optical receiver circuit varies the resistance value of variable resistance element 80, which is used as a load resistor to optical detector 4, in response to the intensity of output signal 10 of an amplifier. The load resistor varies in response to a variations of the received light level of the optical detector in this manner to keep the input to the amplifier lower than a fixed value.

REFERENCES:
patent: 4540952 (1985-09-01), Williams
patent: 4574249 (1986-03-01), Williams
patent: 5257285 (1993-10-01), Thorp

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