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Performance of the SBRC 190, a cryogenic multiplexer for photoconductor arraysThe SBRC 190 cryogenic readouts were developed for use with far-infrared arrays of Ge:Sb and Ge:Ga photoconductor detectors. The SBRC 190 provides an AC-coupled CTIA (capacitance transimpedance amplifier) unit cell for each detector and multiplexes up to 32 detectors. This paper presents our test results characterizing and optimizing the performance of these novel devices. We will discuss their basic behavior in addition to describing the trade-offs inherent in different sampling strategies.
Document ID
20020054194
Acquisition Source
Ames Research Center
Document Type
Conference Paper
Authors
Dotson, Jessie L. (NASA Ames Research Center Moffett Field, CA United States)
Koerber, C. T. (NASA Ames Research Center Moffett Field, CA United States)
Mason, C. G. (NASA Ames Research Center Moffett Field, CA United States)
Simpson, J. P. (NASA Ames Research Center Moffett Field, CA United States)
Moore, E. M. (NASA Ames Research Center Moffett Field, CA United States)
Witteborn, F. C. (NASA Ames Research Center Moffett Field, CA United States)
Farhoomand, J. (NASA Ames Research Center Moffett Field, CA United States)
Erickson, E. F. (NASA Ames Research Center Moffett Field, CA United States)
DeVincenzi, D.
Date Acquired
August 20, 2013
Publication Date
January 1, 2002
Subject Category
Electronics And Electrical Engineering
Meeting Information
Meeting: SPIE Conference on Astronomical Telescopes and Instrumentation
Location: HI
Country: United States
Start Date: August 22, 2002
End Date: August 28, 2002
Sponsors: International Society for Optical Engineering
Funding Number(s)
PROJECT: RTOP 263-10-30
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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