Performance of 94GHz receivers for passive imaging

被引：0
|
作者：
Humphreys, Richard G. [1 ]
Taylor, Stephen M. [1 ]
Manning, Paul A. [1 ]
Munday, Paul D. [1 ]
Powell, Jeff [1 ]
机构：
[1] QinetiQ, Malvern WR14 3PS, Worcs, England
来源：
PASSIVE MILLIMETER-WAVE IMAGING TECHNOLOGY X | 2007年 / 6548卷
关键词：
mm-wave imaging; mm-wave receiver;
D O I：
10.1117/12.723784
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
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 +/- 0.1 K.
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页数：10
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