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X波段GaN五位数字移相器MMIC的设计

更新时间:2020-09-11 06:54:50 大小:236K 上传用户:IC老兵查看TA发布的资源 标签:GaN数字移相器 下载积分:1分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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采用0.5μmGaNHEMT工艺设计了X波段五位数字移相器的单片微波集成电路(MMm),描述了移相器的设计过程,并进行了版图电磁仿真。该移相器采用高低通滤波器型网络和加载线型结构。利用电路匹配技术设计移相器电路的开关结构,将CaN器件的插入损耗从14dB降至1dB。版图仿真结果表明,在9.2GHz~10.2GHz频带范围内,均方根移相误差小于3.5°,插入损耗典型值为17.4dB,回波损耗小于-12dB,版图尺寸为5.0mm×4.7mm。

An X band 5 bit Digital phase shifter monolithic microwave integrated circuit ( MMIC ) is designed using 0.5 txm GaN HEMT process. The design procedure is described, and the layout electromagnetic simulation is operated. The phase shifter is based on the synthetic design of a high-pass/low-pass filters network and the loaded- line structure. A switch topology of the phase shifter is designed by matching network, which reduced the loss insertion of GaN device from 14 dB to 1 dB. The layout simulation result shows that the phase shifter has achieved root mean square(RMS) phase shift error less than 3.5, the average insertion loss of 17.4 dB, and the return loss better than -12 dB within 9.2 GHz ~ 10.2 GHz bandwidth. The ...

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X波段GaN五位数字移相器MMIC的设计.pdf 236K

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