A Novel Design of Concurrent Dual-Band High Efficiency Power Amplifiers With Harmonic Control Circuits
A Novel Design of Concurrent Dual-Band High Efficiency Power Amplifiers With Harmonic Control Circuits
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DOI：
10.1109/lmwc.2016.2517334
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发表时间：
2016-01
影响因子：
3
通讯作者：
Jingzhou Pang;Songbai He;Chaoyi Huang;Zhijiang Dai;Caoyu Li;Jun Peng
中科院分区：
文献类型：
--
作者：
Jingzhou Pang;Songbai He;Chaoyi Huang;Zhijiang Dai;Caoyu Li;Jun Peng
本文提出了一种并行双频高效率功率放大器（PA）的设计方法。基于有源器件模型的负载牵引仿真在两个不同的频段进行，以找到最佳所需的阻抗条件。提出了一种新型的三次谐波控制匹配网络，实现了两个设计波段的高效模式匹配。设计了一个1.9/2.6GHz的GaN功率放大器，验证了该方法的有效性。所实现的双频PA在两个工作波段均具有超过10 W的输出功率和超过74%的漏极效率。
A methodology for designing concurrent dual-band high efficiency power amplifiers (PAs) is presented in this letter. Load-pull simulations based on active device model are performed in two different bands to find the optimal required impedance conditions. A novel matching network with up to third order harmonic control is proposed to realize the high-efficiency mode matching in the two designed bands. A 1.9/2.6 GHz GaN PA is then designed to verify this method. The realized dual-band PA delivers above 10 W output power with more than 74% drain efficiency in the both operation bands.