1-Package 500W High Efficiency LDMOS Doherty Power Amplifier

Jean-Christophe Nanan, Yu-liang Dong, S. De Meyer, Damien Scatamacchia
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Abstract

This paper presents a LDMOS high power high gain peaking device with an optimized pre-matching network implemented in a half 10×32mm air cavity plastic package. This peaking device allows the one package Doherty solution achieved 57.5dBm peak power in the 1.805-1.88 GHz band, and >53% efficiency, >17.5dB gain with 9.9PAR WCDMA signal at 8dB OBO with a classical asymmetrical 2 ways Doherty circuit. This Doherty could be linearized at −57dBc level with 60MHz 2-carrier LTE signal.
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1封装500W高效LDMOS多尔蒂功率放大器
本文提出了一种LDMOS大功率高增益峰值器件,该器件具有优化的预匹配网络,实现在半10×32mm空腔塑料封装中。该调峰器件允许单封装Doherty解决方案在1.805-1.88 GHz频段实现57.5dBm峰值功率,在8dB OBO、9.9PAR的WCDMA信号下,使用经典的非对称2路Doherty电路,实现>53%的效率和>17.5dB增益。该Doherty可以在60MHz 2载波LTE信号下在- 57dBc电平线性化。
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