W-Band Radiometer Front End Module for Real-Time Imaging

被引：1
|
作者：
Xie, Linli [1 ]
Zhang, Yong Hong [1 ]
Fan, Yong [1 ]
机构：
[1] Univ Elect Sci & Technol China, Chengdu 610054, Peoples R China
来源：
MICROWAVE JOURNAL | 2014年 / 57卷 / 01期
基金：
中国国家自然科学基金; 国家高技术研究发展计划(863计划);
关键词：
D O I：
暂无
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：
This direct detection W-Band radiometer front end module for real-time imaging employs a monolithic microwave integrated circuit (MMIC) low noise amplifier (LNA), a highly sensitive detector and a video amplifier. The detector has a responsivity of 1000 mV/mW over a 21 GHz bandwidth. The compact module (measuring 13 X 20 X 56 mm) achieves a temperature sensitivity of 0.83 K with an integration time of 2.3 MS over a 22 GHz bandwidth. It is a candidate for large imaging array applications.
引用
收藏
页码：80 / +
页数：6
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