SISCAM 32-ch cryogenic readout module with GaAs-JFET ASICs

Hiroshi Matsuo; Yasunori Hibi; Hirohisa Nagata; Hirokazu Ikeda; Mikio Fujiwara

doi:10.1117/12.858070

15 July 2010 SISCAM 32-ch cryogenic readout module with GaAs-JFET ASICs

Hiroshi Matsuo, Yasunori Hibi, Hirohisa Nagata, Hirokazu Ikeda, Mikio Fujiwara

Proceedings Volume 7741, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V; 77412V (2010) https://doi.org/10.1117/12.858070
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

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.

Citation Download Citation

Hiroshi Matsuo, Yasunori Hibi, Hirohisa Nagata, Hirokazu Ikeda, and Mikio Fujiwara "SISCAM 32-ch cryogenic readout module with GaAs-JFET ASICs", Proc. SPIE 7741, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V, 77412V (15 July 2010); https://doi.org/10.1117/12.858070

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