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引用本文：

熊文毅.Ku频段接收前端的高本振抑制设计[J].电讯技术，2011，51（7）： - . [点击复制]
XIONG Wen-yi.High LO-rejection Design for Ku Band Receiver Front-end[J].，2011，51（7）： - . [点击复制]

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Ku频段接收前端的高本振抑制设计
熊文毅
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(中国西南电子技术研究所，成都 610036)

摘要:

介绍了Ku频段接收前端的高本振抑制设计方法。归纳并分析了高频本振信号的泄露途径，针对性地进行相应的电路和结构优化设计，实现了对泄露信号的高抑制度。最终研制完成的Ku 频段接收前端对本振泄漏信号的抑制度最大达到96 dBc。5套样机的测试结果验证了分析与设计的有效性。

关键词: Ku频段接收前端本振抑制

DOI：

基金项目:

High LO-rejection Design for Ku Band Receiver Front-end

XIONG Wen-yi

(Southwest China Institute of Electronic Technology，Chengdu 610036，China)

Abstract:

The design of high LO-rejection for Ku band receiver front-end is described. The leakage approach of high frequency LO signal is summarized and analysed. Corres ponding designs of structure and circuits are optimized and high rejection of le akage signal is realized. The max value of LO-rejection of the developed Ku band receiver front-end is 96 dBc. The test results of 5 samples indicate the effect iveness of analysis and design.

Key words: Ku band receiver front-end LO-rejection