带自适应偏置电路的宽带线性毫米波功率放大器

2019 IEEE MTT-S International Wireless Symposium (IWS) Pub Date : 2019-05-19 DOI:10.1109/IEEE-IWS.2019.8804014

Dehan Wang, Wen-hua Chen, Long Chen, Zhenghe Feng

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引用次数: 0

摘要

提出了一种用于5G毫米波相控阵的宽带线性毫米波功率放大器(PA)，该放大器采用0.25 um SiGe BiCMOS实现自适应偏置电路。该放大器在27 GHz时具有21.7 db的小信号增益，17.1 dbm的饱和输出功率和26.5%的峰值功率附加效率(PAE)，在25 GHz至32 GHz范围内峰值PAE保持在20%以上。在27.5 GHz频段，对800 MHz带宽的64-QAM无数字预失真信号进行了测试，在平均输出功率为8.77 dBm时，PAE为11.56%，误差矢量幅值(EVM)为−29.7 dB，相邻信道泄漏比(ACLR)为−28.01 dBc。

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A Broadband Linear Millimeter-Wave Power Amplifier With an Adaptive Bias Circuit

A broadband linear millimeter-wave power amplifier (PA) with an adaptive bias circuit implemented in 0.25 um SiGe BiCMOS for 5G millimeter-wave phased arrays is presented in this paper. The PA demonstrates a measured 21.7-dB small signal gain, 17.1-dBm saturated output power and 26.5% peak power added efficiency (PAE) at 27 GHz and the peak PAE maintains over 20% from 25 GHz to 32 GHz. At 27.5 GHz, the proposed PA is tested with an 800 MHz bandwidth 64-QAM signal without digital predistortion, which achieves a PAE of 11.56%, error vector magnitude (EVM) of −29.7 dB, and adjacent channel leakage ratio (ACLR) of −28.01 dBc at an average output power of 8.77 dBm.

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2019 IEEE MTT-S International Wireless Symposium (IWS)

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