Ka频段下变频模块设计  

Design of a Ka-Band Down-Converter Module

作　　者：林燕海 詹铭周[1] 徐锐敏[1] 

机构地区：[1]电子科技大学电子工程学院,成都611731

出　　处：《微波学报》2010年第S1期375-377,共3页Journal of Microwaves

摘　　要：本文介绍了Ka频段下变频模块的方案设计。通过分析下变频组件的各项指标要求,制定出可行方案。在此基础上使用ADS等软件完成系统电路仿真,实现集成一体化设计,仿真得到系统噪声系数2.2dB,增益为66.7dB,输出P1dB为22dBm,杂散抑制大于70dBc,结果较好地满足了设计指标要求,最后给出电路加工版图。A Ka-band down-converter module design is presented in this paper.The feasible scheme has been designed though analyzing the indexes of the down-converter.Based on the scheme design,the integrate circuit is simulated and realized with ADS software.The simulation results show that the module has performance of 2.2dB of NF,66dB of Gain,22dBm of output P1dB,at least 70dBc of clutter suppression.The simulation results satisfied the design specification well and the circuit layout is given.

关 键 词：KA频段 下变频 噪声系数 增益 P1dB 杂散抑制 

分 类 号：TN773[电子电信—电路与系统]