Linear dual detector opto-isolator circuit

Details Linear dual detector opto-isolator circuit Linear dual detector opto-isolator circuit

1983-12-05

1985-08-20

Mullins, James B.

Amplifiers

With amplifier condition indicating or testing means

330 59, 330308, H03F 1700

Patent

active

045367159

ABSTRACT:
A signal coupling arrangement including a dual detector opto-isolator arrangement operative to transfer a sensed DC signal from an input to an output of an amplifying circuit with an isolated electrical system there between incorporates amplifiers having a specific gain set by unique calibration means and to initially preset the coupling circuitry amplification gains to assure a consistent DC current transfer and DC contrast ratio in coupling DC signals from the input to the output.

REFERENCES:
patent: 4190747 (1980-02-01), Feiner
Olschewski, "Optical Coupling Extends Isolation-Amplifier Utility", Electronics, Aug. 19, 1976, vol. 49, No. 17, pp. 81-88, 330-359.

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