用于LTE功率放大器匹配网络调谐的全集成SOI CMOS复杂阻抗检测器

2017 IEEE Radio Frequency Integrated Circuits Symposium (RFIC) Pub Date : 2017-06-04 DOI:10.1109/RFIC.2017.7969005

D. Nicolas, A. Serhan, A. Giry, T. Parra, E. Mercier

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引用次数: 13

摘要

本文介绍了一种适用于自适应功率放大器负载调谐系统的宽动态范围、高精度复杂阻抗检测器。该探测器IC采用130 nm SOI技术制造，在2.5V电源电压下功耗为7mA。由于其可变衰减系统，它可以处理输入功率从0 dBm到40 dBm的LTE信号。系统电平测量结果表明，该检测器在2∶1 ~ 6∶1的VSWR范围内对负载阻抗失配值有很好的检测精度。

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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A fully-integrated SOI CMOS complex-impedance detector for matching network tuning in LTE power amplifier

This paper describes a wide dynamic-range and accurate complex-impedance detector for adaptive power amplifier load tuning systems. The detector IC, fabricated in a 130 nm SOI technology, consumes 7mA under 2.5V supply voltage. It can handle LTE signals with an input power from 0 dBm up to 40 dBm thanks to its variable attenuator system. System level measurements show that the detector has a very good accuracy in sensing the mismatched load impedance value in the VSWR region from 2∶1 to 6∶1.

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2017 IEEE Radio Frequency Integrated Circuits Symposium (RFIC)

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