An 87.1% efficiency RF-PA envelope-tracking modulator for 80MHz LTE-Advanced transmitter and 31dBm PA output power for HPUE in 0.153μm CMOS

2018 IEEE International Solid - State Circuits Conference - (ISSCC) Pub Date : 2018-02-01 DOI:10.1109/ISSCC.2018.8310369
Chen-Yen Ho, Shih-Mei Lin, Che-Hao Meng, Hao-Ping Hong, Sheng-Hong Yan, Ting-Hsun Kuo, Chia-Sheng Peng, Chieh-Hsun Hsiao, Hsin-Hung Chen, D. Sung, Chien-Wei Kuan
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引用次数: 16

Abstract

Modulation schemes employed in long-term-evolution advanced (LTE-A) services for higher data-rate with high peak-to-average power ratios (PAPR) are becoming more complicated, which degrades the efficiency of RF power amplifiers (PA). Envelope-tracking modulators (ETM) have been proposed to improve the PA efficiency and linearity by dynamically adjusting the supply voltage of the RF PA according to the envelope of the transmitted signal.
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用于80MHz LTE-Advanced发射机的87.1%效率的RF-PA包络跟踪调制器和用于HPUE的31dBm PA输出功率的0.153μm CMOS
为实现高数据速率和高峰均功率比(PAPR)的长期演进高级(LTE-A)业务所采用的调制方案变得越来越复杂，这降低了射频功率放大器(PA)的效率。提出了包络跟踪调制器(ETM)，通过根据传输信号的包络动态调整射频放大器的供电电压来提高放大器的效率和线性度。
本文章由计算机程序翻译，如有差异，请以英文原文为准。
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2018 IEEE International Solid - State Circuits Conference - (ISSCC)
2018 IEEE International Solid - State Circuits Conference - (ISSCC)
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