基于谐波平衡法的射频功率放大器分析与仿真  

Analysis and Simulation of RF Power Amplifier Based on Harmonic Balance Method

作　　者：闫博[1] 刘希顺[1] 刘安芝[1] 

机构地区：[1]国防科学技术大学,湖南长沙410073

出　　处：《现代电子技术》2010年第9期63-66,共4页Modern Electronics Technique

摘　　要：随着射频频段的不断提高,功率放大器表现的非线性现象越来越严重。为了实现在大功率作用下快速方便地分析和设计射频电路,介绍一种射频功率放大器的分析与仿真方法:谐波平衡法。在ADS2002仿真环境下,利用谐波平衡法对一种LDMOS器件的非线性参数进行了单音和双音频率下的仿真,通过对仿真结果的分析,突出显示了在大功率作用下,谐波平衡法在设计与研发射频电路方面的优势。In view of the continuous improvement of radio frequency band,nonlinear phenomena of power amplifier is more and more serious.Analysis and simulation method of RF power amplifier named harmonic balance method is introduced for achieving the analysis and design of RF circuit in a high power.In ADS2002 simulation environment,a non-linear parameter of LDMOS device is simulated in the mono and two-tone frequency with a harmonic balance method.Through the analysis of simulation results,the harmonic balance method has advantages in the design and development of RF circuit in a high-power.

关 键 词：谐波平衡法 射频功率放大器 非线性分析 ADS仿真 

分 类 号：TN911[电子电信—通信与信息系统]