Optoelectronics circuit

Details Optoelectronics circuit Optoelectronics circuit

1997-09-18

1999-07-20

Le, Que T.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

250214AG, 372 22, H01J 4014

Patent

active

059258764

ABSTRACT:
The invention is a circuit for eliminating or reducing unwanted components from an optical output signal. The circuit employs a photodetector for converting a portion of the output signal to an electrical signal, and a feedback loop which passes only the second harmonic band or the frequency difference band for combining with the input biasing signal.

REFERENCES:
patent: 4243943 (1981-01-01), Cherry

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