Amplifier for electric signals

Details Amplifier for electric signals Amplifier for electric signals

1978-10-26

1980-08-19

Mullins, James B.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

307311, 330 59, 330110, H01J 3912

Patent

active

042186137

ABSTRACT:
Disclosed is an amplifier for electrical signals obtained by means of a photoelectric transducer as a function of the intensity of illumination incident upon said transducer, comprising an operational amplifier adapted to be connected in series after the photoelectric transducer and having a feedback branch, wherein the feedback branch of the operational amplifier includes an electrical element having a nonlinear characteristic connected in parallel with a resistance.

REFERENCES:
patent: 3992622 (1976-11-01), Numata et al.
patent: 3999060 (1976-12-01), Skagerlund
patent: 4096382 (1978-06-01), Numata et al.

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