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一种新型提高射频功率放大器PAE的电路技术

更新时间:2020-10-19 14:06:49 大小:385K 上传用户:gsy幸运查看TA发布的资源 标签:射频功率放大器pae 下载积分:1分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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提出了一种新型提高射频功率放大器功率附加效率(PAE)的电路技术,该方法通过滤除二次谐波分量、反射叠加三次谐波分量以提高电路PAE,分析了相位匹配的机制及其影响因素。基于该技术设计了一款功率放大器,仿真结果表明:工作频率为918MHz时,该功放的P1dB达到了30.05dBm,功率附加效率达到了58·75%4,较普通功放提高了12%,功率增益在20dB左右。

A novel design technique for increasing Power Added Efficiency (PAE) of RF power amplifier is demonstrated. PAE is increased by reducing the 2^nd harmonic element and reflecting the 3rd harmonic element, and phase matching is accounted for this design. A power amplifier for experimental verification is designed and fabricated based on this topology, simulation and measurement results show that: its power gain reaches up to 20 dB, output power is 30.05 dBm at 1 dB gain compression point, and the maximum PAE comes up to around 58. 75% which is 12% higher than conventional power amplifiers at 918 MHz operation frequency.

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一种新型提高射频功率放大器PAE的电路技术.pdf 385K

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