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    Advanced Doherty Power Amplifier Architectures for 5G Handset Applications: A Comprehensive Review of Linearity, Back-Off Efficiency, Bandwidth, and Thermal Management

    Advanced Doherty Power Amplifier Architectures for 5G Handset Applications: A Comprehensive Review of Linearity, Back-Off Efficiency, Bandwidth, and Thermal Management by Shihai He, Huan Chen

    Published 2025-05-01

    This paper presents a comprehensive review of GaAs HBT-based Doherty power amplifiers (DPAs) targeting 5G New Radio (NR) handset applications. Focusing on the critical challenges of linearity enhancement, back-off efficiency improvement, bandwidth extension under low-voltage (3.4 V) operation, and c...

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