线性化的X波段CMOS低功耗高效率功放  

Linearized X Band CMOS Low Power Consumption and High Efficiency Power Amplifier

作　　者：刘江帆 朱华[1,2] 曹诚 夏青[1,2] 王哲 李昱冰 李秀萍 LIU Jiangfan;ZHU Hua;CAO Cheng;XIA Qing;WANG Zhe;LI Yubing;LI Xiuping(School of Electronic Engineering,Beijing University of Posts and Telecommunications,Beijing 100876,China;Beijing Key Laboratory of Work Safety Intelligent Monitoring,Beijing 100876,China)

机构地区：[1]北京邮电大学电子工程学院,北京100876 [2]安全生产智能监控北京市重点实验室,北京100876

出　　处：《移动通信》2019年第2期71-73,共3页Mobile Communications

基　　金：国家自然科学基金(61601050);中央军委装备发展部前期研究项目(6140518040116DZ02001);国家重点研发计划(2018YFF0212102);中央大学基础研究基金

摘　　要：设计了一个X波段的高效率高线性度的宽带功率放大器。应用并联共源共栅结构减小三阶交调和三次谐波分量。应用体偏置技术,提高了功放的功率附加效率,降低了功耗。结合反馈技术,输入端采用双谐振网络,拓展了带宽。仿真结果表明,该功率放大器具有33%的相对带宽,14.5dBm的饱和输出功率,PAE_(max)达到45%,输入三阶交调点为6 dBm,同时功耗仅为28.5 mW。In this paper,an X band high efficiency and high linearity power amplifier is designed.A parallel cascode structure is used to reduce the third order intermodualtion and third harmonic components.The PAE of power amplifier are improved and power consumption is reduced by using bulk bias technology.Combined with feedback technology,the PA adopts double resonance network,which expands the bandwidth.The simulation results show that the power amplifier has a saturation output power of 14.5 dBm,relative bandwidth of 33%,PAE reaches 45%,the input thirdorder intermodualtion point is 6 dBm,while the power consumption is only 28.5 mW.

关 键 词：功率放大器 并联共源共栅 双谐振 体偏置 

分 类 号：TN929.5[电子电信—通信与信息系统]