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Proceedings Paper

Radiation-hard low-background multiplexer design for spacecraft imager applications
Author(s): Craig O. Staller; Luis Ramirez; Curtiss A. Niblack; Michael A. Blessinger; William E. Kleinhans
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Paper Abstract

A possible multiplexer design for the focal plane for the Cassini Visible and Infrared Mapping Spectrometer (VIMS) is reviewed. The instrument's requirements for the multiplexed array are summarized. The VIMS instrument has a modest radiation-hardness requirement due to the trajectory and planetary environments in which the instrument will be required to operate. The total ionizing dose hardness requirement is a few tens of kilorads. A thin-gate oxide of a few hundred angstroms thickness is to be used. Field hardness is to be achieved by guard bands or hardened dielectric isolation. The design is argued to meet the low-noise and radiation-hardness required for imaging at Saturn. The design is versatile enough to provide double-correlated and double-uncorrelated sampling, which is accomplished in the signal processing electronics outside the focal plane.

Paper Details

Date Published: 1 July 1992
PDF: 7 pages
Proc. SPIE 1684, Infrared Readout Electronics, (1 July 1992);
Show Author Affiliations
Craig O. Staller, Jet Propulsion Lab. (United States)
Luis Ramirez, Jet Propulsion Lab. (United States)
Curtiss A. Niblack, Cincinnati Electronics Corp. (United States)
Michael A. Blessinger, Cincinnati Electronics Corp. (United States)
William E. Kleinhans, Valley Oak Semiconductor (United States)

Published in SPIE Proceedings Vol. 1684:
Infrared Readout Electronics
Eric R. Fossum, Editor(s)

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