一种X频段2500 W宽带通信功放的设计与实现  

Design and Realization of X-band 2500 W Broadband Communication Amplifier

作　　者：魏利郝[1] 王亚飞 陈创业 王建[1] 庄志义[1] 马振鹏 WEI Lihao;WANG Yafei;CHEN Chuangye;WANG Jian;ZHUANG Zhiyi;MA Zhenpeng(The 54th Research Institute of CETC,Shijiazhuang 050081,China)

机构地区：[1]中国电子科技集团公司第五十四研究所,河北石家庄050081

出　　处：《计算机与网络》2024年第6期513-518,共6页Computer & Network

摘　　要：介绍了一种X波段2500 W宽带通信功放的设计与实现。采用ADS大信号模型仿真的方法对功率管进行阻抗匹配,选取3 dB平衡式耦合器分合路,设计了X波段150 W末级模块;利用五级波导魔T级联的方式设计了大功率三十二合路器,实现了X波段低损耗的大功率合成,使用CST仿真软件进行仿真优化;采用数字仿真和结构优化相结合的方式进行液冷机箱设计,并运用ICEPAK软件设计了高效散热器,对机箱内模块的布局进行优化仿真;利用全面的控制保护电路,提高功放的可靠性。A design and implementation of X-band 2500 W broadband communication power amplifier is introduced.By adopting ADS large signal model simulation method to match the impedance of power transistor and 3 dB balanced coupler to split and combine circuit,an X band 150 W final module is designed;The high power 32-way combiner is designed by using the five-stage waveguide magic T cascade and the low loss high power synthesis in X-band is realized.CST simulation software is used for simulation and optimization.The liquid-cooled case is designed by using digital simulation and structural optimization.ICEPAK software is used to design an efficient radiator,and the layout of modules in the chassis is optimized and simulated.The comprehensive control and protection circuit is adopted to improve the stability and reliability of the power amplifier.

关 键 词：X频段 阻抗匹配 魔T级联 高效散热器 

分 类 号：TN722[电子电信—电路与系统]