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Proceedings Paper

Performance of 94GHz receivers for passive imaging
Author(s): Richard G. Humphreys; Stephen M. Taylor; Paul A. Manning; Paul D. Munday; Jeff Powell
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Paper Abstract

64 MMIC receivers built for mm-wave imaging have been systematically characterized. Each receiver comprises three InP MMIC low noise amplifiers and a biased Schottky diode detector in a compact package with a horn antenna. The characterization includes spectral response, responsivity and noise. The noise has both white and 1/f components. The average (±standard deviation) receiver bandwidth is 23.8±3GHz, and the overall noise equivalent temperature difference (NETD) in an integration time of 0.2ms, as used in the imager, is 0.66±0.1K.

Paper Details

Date Published: 1 May 2007
PDF: 10 pages
Proc. SPIE 6548, Passive Millimeter-Wave Imaging Technology X, 65480H (1 May 2007); doi: 10.1117/12.723784
Show Author Affiliations
Richard G. Humphreys, QinetiQ (United Kingdom)
Stephen M. Taylor, QinetiQ (United Kingdom)
Paul A. Manning, QinetiQ (United Kingdom)
Paul D. Munday, QinetiQ (United Kingdom)
Jeff Powell, QinetiQ (United Kingdom)


Published in SPIE Proceedings Vol. 6548:
Passive Millimeter-Wave Imaging Technology X
Roger Appleby; David A. Wikner, Editor(s)

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