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题名: Design of a 212 GHZ LO source used in the terahertz radiometer front-end
作者: Meng, Jin; Zhang, De Hai; Jiang, Chang Hong; Zhao, Xin; Li, Xiao Peng
作者部门: 微波遥感部
通讯作者: Meng, Jin (mengjin@mirslab.cn)
关键词: Dielectric devices ; Efficiency
刊名: Progress in Electromagnetics Research Letters
ISSN号: 1937-6480
出版日期: 2017
卷号: 66, 页码:65-70
收录类别: EI
英文摘要: We introduce a 212 GHz LO source which could be used to drive sub-harmonic mixer in the radiometer front-end. It mainly includes a phase-locked dielectric resonator, a 71 GHz power source and a 212 GHz tripler. Actually, design of 212 GHz tripler is the key technology in the LO chain because the research on W band source is relatively mature. Based on our former research work, there is a great improvement in the design of 212 GHz tripler. At room temperature, the measured efficiency is more than 9% in 208 ∼ 218 GHz, and the maximum efficiency is about 14.5% at 215.5 GHz when being driven with 21.8 dBm of input power. Besides demand on the main technical specifications, the stability of each module is also extremely important since the front-end is designed to keep working for three months. © 2017, Electromagnetics Academy. All rights reserved.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.nssc.ac.cn/handle/122/5751
Appears in Collections:微波遥感部_期刊论文

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