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A CMOS 12-V Hybrid Current- and Voltage-Mode Three-Way Digital Doherty PA With B
本文提出了一种采用CMOS工艺的12V混合电流和电压模式三路数字Doherty功率放大器，具有内置大信号相位非线性补偿功能。
38.5%峰值漏极效率，22.4dBm饱和输出功率，3.4-/9.3-dB PBO下32.1%/18.7%效率
数字Doherty PACMOS相位非线性补偿变压器网络效率增强
▸混合电流和电压模式数字PA的非线性相位响应分析及补偿
▸基于变压器的Doherty输出网络实现三路Doherty PA
▸1.2V单电源供电降低电源复杂性
Abstract
This article presents a fully integrated hybrid
current- and voltage-mode three-way digital Doherty power
amplifier (PA) in CMOS using a single supply with built-
in large-signal phase nonlinearity compensation. The nonlinear
phase responses in both current-mode digital PA (C-DPA) and
voltage-mode digital PA (V-DPA) are theoretically analyzed,
which are further leveraged to achieve the PA nonlinear phase
compensation. To the best of our knowledge, it is the first time the
amplitude modulation (AM)