Alternative TitleDesign of Microwave High-Speed QPSK Modulation Circuit
白锐; 王二超; 韩霜雪; 耿浩
Source Publication微波学报
Volume36Issue:4Pages:55-59; AR:1005-6122(2020)36:4<55:WBGSQD>2.0.TX;2-H
Keyword调制器 正交相移键控(QPSK) 发射极耦合逻辑(ECL) 环形二极管堆 modulator quadrature phase shift keying(QPSK) emitter-couple logic(ECL) ring quad diodes
Abstract介绍了微波高速正交相移键控(QPSK)调制器电路的设计和制作。电路采用环形调制电路形式,由环形肖特基二极管堆和微波宽带巴伦结构组成。利用高速发射极耦合逻辑(ECL)差分电路驱动,在误差矢量幅度(EVM)为5%时,在X波段可实现调制码速率达500 Mbit /s。通过电路优化以及补偿设计,可实现较高的电路性能。经产品测试,在X波段,转换损耗小于12 dB,幅度和相位一致性小于0.25 dB和2°,载波抑制优于-38 dBc。该设计结构简单、精度高、可靠性高,对微波高速调制电路工程应用具有一定的参考意义。
Other AbstractA microwave high-speed QPSK modulation circuit is designed in this paper.Ring modulator architecture is used in the main circuit,and it's composed by ring quad Schottky diodes and microwave wide-band Balun.The modulation date rate can reach 500 Mbit /s in X band by using high speed emitter-couple logic(ECL)difference circuit,while the error vector magnitude(EVM)is about 5%.The circuit has a high performance by optimizing circuit and adding design of compensating circuit.After testing sample in X band,the conversion loss is less than 12 dB,the quadrature state amplitude and phase consistencies are less than 0.25 dB and 2°,and carrier suppression is more than-38 dBc.This circuit design have many advantages,including the simple and compact structure,high precision,high reliability,and this design provides reference to engineer application for microwave high-speed modulation circuit.
Indexed ByCSCD
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Document Type期刊论文
Affiliation1.白锐, 中国电子科技集团公司第十三研究所, 石家庄, 河北 050051, 中国.
2.王二超, 中国电子科技集团公司第十三研究所, 石家庄, 河北 050051, 中国.
3.韩霜雪, 中国科学院国家空间科学中心, 北京 100190, 中国.
4.耿浩, 中国科学院国家空间科学中心, 北京 100190, 中国.
5.Bai Rui, The 13th Research Institute of CETC, Shijiazhuang, Hebei 050051, China.
6.Wang Erchao, The 13th Research Institute of CETC, Shijiazhuang, Hebei 050051, China.
7.Han Shuangxue, National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China.
8.Geng Hao, National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China.
Recommended Citation
GB/T 7714
白锐,王二超,韩霜雪,等. 微波高速QPSK调制电路设计[J]. 微波学报,2020,36(4):55-59; AR:1005-6122(2020)36:4<55:WBGSQD>2.0.TX;2-H.
APA 白锐,王二超,韩霜雪,&耿浩.(2020).微波高速QPSK调制电路设计.微波学报,36(4),55-59; AR:1005-6122(2020)36:4<55:WBGSQD>2.0.TX;2-H.
MLA 白锐,et al."微波高速QPSK调制电路设计".微波学报 36.4(2020):55-59; AR:1005-6122(2020)36:4<55:WBGSQD>2.0.TX;2-H.
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