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Proceedings Paper

SISCAM 32-ch cryogenic readout module with GaAs-JFET ASICs
Author(s): Hiroshi Matsuo; Yasunori Hibi; Hirohisa Nagata; Hirokazu Ikeda; Mikio Fujiwara
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Paper Abstract

We discuss on the development of a 32-ch cryogenic readout module for a superconductive imaging submillimeter-wave camera (SISCAM). The module is composed of GaAs-JFET integrated circuits such as capacitive trans-impedance amplifiers (CTIAs), multiplexer with sample-and-holds and shift-registers. Performances of these integrated circuits are evaluated; 1) amplifier gain of 5000 and gain-bandwidth more than 500 kHz, 2) operation of 32-ch multiplexers addressed by shift-registers, and 3) operation of voltage distributors. Using these GaAs-JFET cryo-ASICs, a 32-ch cryogenic readout module was fabricated for an imaging array of SIS photon detectors at 650 GHz.

Paper Details

Date Published: 15 July 2010
PDF: 12 pages
Proc. SPIE 7741, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V, 77412V (15 July 2010); doi: 10.1117/12.858070
Show Author Affiliations
Hiroshi Matsuo, National Astronomical Observatory of Japan (Japan)
Yasunori Hibi, National Astronomical Observatory of Japan (Japan)
Hirohisa Nagata, Japan Aerospace Exploration Agency (Japan)
Hirokazu Ikeda, Japan Aerospace Exploration Agency (Japan)
Mikio Fujiwara, National Institute of Information and Communications Technology (Japan)


Published in SPIE Proceedings Vol. 7741:
Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V
Wayne S. Holland; Jonas Zmuidzinas, Editor(s)

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