64 x 64-element photocurrent multiplexer for infrared staring array application

Details 64 x 64-element photocurrent multiplexer for infrared staring array application 64 x 64-element photocurrent multiplexer for infrared staring array application

Jun 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987ijssc..22..453r&link_type=abstract

IEEE Journal of Solid-State Circuits (ISSN 0018-9200), vol. SC-22, June 1987, p. 453-457.

Physics

Electric Current, Field Effect Transistors, Infrared Imagery, Multiplexing, Photodiodes, Photoelectric Emission, Arrays, Charge Coupled Devices, Chips (Electronics), Infrared Detectors, Mercury Cadmium Tellurides

Scientific paper

The operation and design of a 4096-point photocurrent multiplexer, with a scanned serial output which is synchronized by means of line-sync and frame-sync pulses, are discussed. The 64 x 64-element multiplexer uses direct-injection input from an IR photodidode array which is bump-bonded directly onto the top of the chip. Multiplexing is achieved with MOSFET/CCD architecture without column-transfer CCDs. A double-correlated clamp sample-and-hold output stage is used to reduce 1/f and partition noise. The devices have been successfully bonded to the diode arrays with high yield, and good agreement between experimental results and predictions is obtained.

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