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Proceedings Paper

Evaluation of charge-integrating amplifier with silicon MOSFETs for cryogenic readout
Author(s): Manabu Noda; Hiroshi Shibai; Toyoki Watabe; Takanori Hirao; Hiroyuki Yoda; Hirohisa Nagata; Takao Nakagawa; Mitsunobu Kawada
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Paper Abstract

Low-noise and low-power cryogenic readout electronics are developed for a focal plane instrument of the IR Imaging Surveyor. We measured the static characteristics and the noise spectra of several types of silicon MOSFETs at the cryogenic temperature where silicon JFETs do not work well due to the carrier freeze-out. The 'kink' behavior of n- channel MOSFETs was observed below the carrier freeze-out temperature, but it was not obvious for the p-channel MOSFET. It was demonstrated the p-channel MOSFETs can be used for the cryogenic readout electronics of the IRIS's far-IR array with an acceptable performance. The amplifier integrated with these MOSFETs showed low-noise at 2K under a low power consumption of 1 (mu) W per MOSFET. We now design and evaluate several circuits that are fabricated by the CMOS process for cryogenic readout.

Paper Details

Date Published: 21 August 1998
PDF: 6 pages
Proc. SPIE 3354, Infrared Astronomical Instrumentation, (21 August 1998); doi: 10.1117/12.317306
Show Author Affiliations
Manabu Noda, Nagoya City Science Museum (Japan)
Hiroshi Shibai, Nagoya Univ. (Japan)
Toyoki Watabe, Nagoya Univ. (Japan)
Takanori Hirao, Nagoya Univ. (Japan)
Hiroyuki Yoda, Nagoya Univ. (Japan)
Hirohisa Nagata, Nagoya Univ. (Japan)
Takao Nakagawa, Institute of Space and Astronautical Science (Japan)
Mitsunobu Kawada, Institute of Space and Astronautical Science (Japan)


Published in SPIE Proceedings Vol. 3354:
Infrared Astronomical Instrumentation
Albert M. Fowler, Editor(s)

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