基于全集成反射器的ku波段功率放大器线性化模拟预失真

ESSCIRC 2021 - IEEE 47th European Solid State Circuits Conference (ESSCIRC) Pub Date : 2021-09-13 DOI:10.1109/ESSCIRC53450.2021.9567737

N. Deltimple, Potereau Manuel, Ghiotto Anthony

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引用次数: 2

摘要

本文介绍了用于卫星和移动应用的功率放大器线性化的模拟预失真能力。在ku波段下行卫星通信应用中，给出了基于集成反射器的模拟预失真设计实例。提出的解决方案实现了采用130nm BiCMOS技术制造的两单元非线性负载AM/AM和AM/PM生成电路。在不同偏置电压和不同频率下进行的测量结果表明，增益补偿范围在0 ~ 9 dB之间，相位补偿范围在0 ~ 50°之间。每个细胞的大小为0.2 mm2。总最大功耗低至9兆瓦。

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Fully integrated reflector-based analog predistortion for Ku-band Power Amplifiers Linearization

This paper presents the analog predistortion abilities to linearize power amplifiers used in satellite and mobile applications. A design example is done in Ku-band downlink satellite communication application with an integrated reflector-based analog predistortion. The proposed solution implements two cells nonlinear load-based AM/AM and AM/PM generation circuits made in a 130nm BiCMOS technology. The measurements performed for different biasing voltages and at different frequencies result in a gain compensation range between 0 dB and 9 dB and a phase compensation range between 0 and 50°. The size of each cell is 0.2 mm2. The total maximum power consumption is as low as 9 mW.

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ESSCIRC 2021 - IEEE 47th European Solid State Circuits Conference (ESSCIRC)

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