Uncooled infrared detector readout monolithic integrated circuit

Details Uncooled infrared detector readout monolithic integrated circuit Uncooled infrared detector readout monolithic integrated circuit

1991-04-04

1992-09-01

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

250332, H01J 4014

Patent

active

051441330

ABSTRACT:
A monolithic infrared detector readout circuit for a capacitive detection element wherein a high gain preamplifier is biased by a large amplifier feedback resistance, on the order of 10.sup.12 ohms. The output of the preamplifier is bandlimited by a low pass single-pole filter having a high value resistor on the order of 10.sup.9 ohms and then is buffered prior to being multiplexed by row address signals. The output from the multiplexer switch is then applied to the column line for output to a video circuit or the like.

REFERENCES:
patent: 4967082 (1990-10-01), Cooke et al.
patent: 5043820 (1991-08-01), Wyles et al.

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