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L波段微波光纤延迟线光接收前端设计

Design of optical receiver front-end based on L-band microwave fiber delay line
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摘要 针对L波段(1~2GHz)微波光纤延迟线的光电转换问题,利用ADS器件库中的SP模型设计了光电三极管的输入和输出匹配网络,采用ADS全局优化方法设计了平行耦合微带线结构带通滤波器。仿真测试表明:当信号中心频率为1.8 GHz时,光接收前端电路功率增益为13.082 dB,噪声系数为2.224 dB,符合设计要求。 To realize photoelectric conversion of microwave fiber delay line around L-band (1 - 2GHz) ,the SP model of transistor in ADS (Advanced Design System)device library is used to design input and output match networks. The band-pass filter with parallel coupling micro trip line is designed by ADS global optimization. The simulation tests show that when signal central frequency is 1.8GHz,the power gain of optical receiver front-end is 13.082dB and the noise figure is 2. 224dB ,which meets design requirements completely.
出处 《北京信息科技大学学报(自然科学版)》 2013年第2期18-21,共4页 Journal of Beijing Information Science and Technology University
基金 国家自然科学基金资助项目(61074158)
关键词 光纤延迟线 L波段 光接收前端 S参数 微带线 fiber delay line L-band optical receiver front-end S parameters micro trip line
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