| 基于复合左右手传输线结构的多频高效功放 |
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| 引用本文： | 曹韬,刘友江,吕立明. 基于复合左右手传输线结构的多频高效功放[J]. 微电子学, 2011, 41(5) |
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| 作者姓名： | 曹韬 刘友江 吕立明 |
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| 作者单位： | 中国工程物理研究院电子工程研究所,四川绵阳,621900 |
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| 摘 要： | 提出一种多频高效功率放大器的设计方法。采用源牵引和负载牵引确定最佳源阻抗和负载阻抗,使用复合左右手传输线实现多频匹配并抑制二次谐波。仿真结果表明,放大器在0.9GHz、1.4GHz、2.1GHz三个频点均可输出10W功率,增益为13dB,且具有60%以上的工作效率。
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| 关 键 词： | 复合左右手传输线 功率放大器 谐波抑制 |
Multiband High Efficiency Power Amplifier Based on Composite Right/Left-Handed Transmission Lines |
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| CAO Tao,LIU Youjiang,L Liming. Multiband High Efficiency Power Amplifier Based on Composite Right/Left-Handed Transmission Lines[J]. Microelectronics, 2011, 41(5) |
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| Authors: | CAO Tao LIU Youjiang L Liming |
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| Affiliation: | CAO Tao,LIU Youjiang,Lü Liming(Institute of Electronic Engineering,China Academy of Engineering Physics,Mianyang,Sichuan 621900,P.R.China) |
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| Abstract: | Design methodology for multiband high efficiency power amplifier based on composite right/left-handed(CRLH) transmission lines was presented.The optimal source/load impedance was defined with source/load-pull technology.CRLH transmission lines offer suitable source/load impedance and suppression of secondary harmonics simultaneously.Simulation results showed that the proposed amplifier had an output power of 10 W and a power gain of 13 dB with drain efficiency over 60%,when operating at 0.9 GHz,1.4 GHz and ... |
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| Keywords: | CRLH transmission line Power amplifier Harmonic suppression |
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