High temperature two-wire photocurrent detector circuit

Details High temperature two-wire photocurrent detector circuit High temperature two-wire photocurrent detector circuit

1997-09-19

1999-09-21

Hannaher, Constantine

Radiant energy

Invisible radiant energy responsive electric signalling

Ultraviolet light responsive means

250214A, H03F 308

Patent

active

059557346

ABSTRACT:
A high temperature photocurrent detector circuit including a transimpedance amplifier having multiple stages of gain, and a driver amplifier which generates a driver current that is proportional to the photocurrent flowing through a photocurrent sensor. The voltage source utilizes source voltage wires to generate a supply current that is proportional to the driver current enabling the photocurrent detector circuit to operate as a two wire photocurrent detector circuit.

REFERENCES:
patent: 5394005 (1995-02-01), Brown et al.
patent: 5589682 (1996-12-01), Brown et al.
patent: 5592124 (1997-01-01), Mullins et al.

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