基于ads微波功率放大器的仿真与设计

《基于ads微波功率放大器的仿真与设计》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、基于ADS微波功率放大器的仿真与设计【摘要】:为了解决功率放大器设计中输出功率和效率这对矛盾的性能。对参数指标之间如何折衷处理的问题,提出了一种利用负载牵引和源牵引相结合的方法,通过功率放大器输入输出匹配网络的设计中解决矛盾问题,并对一个中心频率2140MHzPA的输出功率、功率附加效率等参数匹配的仿真验证证实方案的可行性,为方便物理实现提供了最终的设计电路。从仿真结果可以得出PA的输出功率和效率都满足设计要求,证明方法能够很好地解决输出功率和效率的折中问题,对PA的设计有着重要的参考价值。关键词:

2、功率放大器;输出功率;功率附加效率;驻波比中图分类号:TN722文献标识码:BDesignandSimulationofMicrowavePowerAmplifierBasedonADSABSTRACT:Tomakeacompromisebetweenoutputpowerandefficiencyinthedesignofpoweramplifier,thispapershowsanapproachwhichcombinesload-pullwithsource-pulltodealwiththi

3、sproblemduringdesigninginputoutputmatchingnetworkofPA.Bysimulatingtheoutputpower,poweraddedefficiency,powergain,inputandou-tputstandingwaveratioofPAwithacentrefrequencyof2140MHz,thepresentedmethodisproved,andthefinalcircuitisprovidedtorealizeonphysical

4、s.TheresultsshowthatbothoutputpowerandefficiencycanmeettheperformancerequirementofthespecifiedPA,sothismethodcansolvethisproblemmuchbetter,andhasanimportantreferencevalueforPAdesigners.KEYWORDS:Poweramplifier(PA);Outputpower;Poweraddedefficiency;Standi

5、ngwaveratib-19-19目录1引言················································2微波性能参数指标································2.11db压缩点·········································2．2功率增益和增益平坦度····························1)转换功率增益···································2)资用功率增

6、益··································3)工作功率增益····································4)增益平坦度·······································2.3功率附加效率(PAE)································2.4输入输出电压驻波比-19-19·······························2.5谐波失真·························

7、················2.6交调失真·········································3功率放大器的设计···························3.1设计指标································3.2器件的选择·······························3.3静态工作点的确定·····················3.4直流偏置电路的设计······················3.5匹配网络的

8、设计····························4仿真结果·····························5结论····························致谢-19-19···············································参考文献···············································附录·································