Performance of the SBRC 190: a cryogenic multiplexer for photoconductor arrays

Jessie L. Dotson; Christopher T. Koerber; Christopher G. Mason; Janet P. Simpson; Elizabeth M. Moore; Fred C. Witteborn; Jam Farhoomand; Edwin F. Erickson

doi:10.1117/12.458646

3 March 2003 Performance of the SBRC 190: a cryogenic multiplexer for photoconductor arrays

Jessie L. Dotson, Christopher T. Koerber, Christopher G. Mason, Janet P. Simpson, Elizabeth M. Moore, Fred C. Witteborn, Jam Farhoomand, Edwin F. Erickson

Author Affiliations +

Proceedings Volume 4857, Airborne Telescope Systems II; (2003) https://doi.org/10.1117/12.458646
Event: Astronomical Telescopes and Instrumentation, 2002, Waikoloa, Hawai'i, United States

Abstract

The SBRC 190 cryogenic readouts were developed for use in far-infrared arrays of Ge:Sb and Ge:Ga photoconductor detectors. The SBRC 190 provides an AC-coupled CTIA (capacitive trans-impedance 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 discuss their basic behavior and investigate their performance in different clocking schemes.

Citation Download Citation

Jessie L. Dotson, Christopher T. Koerber, Christopher G. Mason, Janet P. Simpson, Elizabeth M. Moore, Fred C. Witteborn, Jam Farhoomand, and Edwin F. Erickson "Performance of the SBRC 190: a cryogenic multiplexer for photoconductor arrays", Proc. SPIE 4857, Airborne Telescope Systems II, (3 March 2003); https://doi.org/10.1117/12.458646

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