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宽带高效径向波导基空间功率合成技术 被引量:5

Study on Efficient and Broadband Spatial Power Combining Technique on Radial Waveguide
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摘要 为获得振幅和相位一致性较好的空间功率合成结构,对径向波导电磁场分布进行了理论分析,推导出径向波导内存在TM00主模。根据TM00波电磁场的轴向对称性,提出了径向波导功分器的简化电磁模型和等效电路。并由此研制出了性能良好的x波段159w固态功率放大器。在整个x波段,无源合成网络的合成效率都大于88%。含单片微波集成电路芯片(MMIC)的整体合成固态功放合成效率在整个MMIC工作频率范围内(11.9~12.3GHz)大于83%。 In the paper, we analyzed the electromagnetic field distribution in radial waveguide to design an excel- lently spatial power combiner with identical magnitude and phase of signals from various ways. The result showed there was a TM00 mode in the radial waveguides. The simple model and the equivalent circuit model for the power dividing/combining circuits had been developed by the symmetric field distribution of TM00, which enabled us to characterize the combining circuits and advance the design efficiency. A power amplifier module with a 159 W power output has been developed and its combining efficiency of bigger than 88~ has been achieved in the passive combi- ning system over the whole X band. The combining efficiency of the entire solid-state power amplifier with the mon- olithic microwave integrated circuit(MMIC)was bigger than 83 %over the MIMIC operation frequency range of 11. 9-12.3GHz.
出处 《压电与声光》 CSCD 北大核心 2010年第2期333-336,共4页 Piezoelectrics & Acoustooptics
基金 杭州电子科技大学博士启动基金资助项目(KYS045609069) 杭州电子科技大学校基金资助项目(KYF051508018) 浙江省自然科学基金重点资助项目(KYZ051106005)
关键词 微波 毫米波 固态功率放大器 空间功率合成 径向波导 microwave millimeter wave solid-state power amplifier spatial power combining radial waveguide
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参考文献8

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同被引文献29

  • 1陈文俊,黎滨洪,谢涛.FDTD法分析探针加载微带天线的简便方法[J].电波科学学报,2006,21(1):146-149. 被引量:3
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