Advanced Doherty Power Amplifier Architectures for 5G Handset Applications: A Comprehensive Review of Linearity, Back-Off Efficiency, Bandwidth, and Thermal Management
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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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2025-05-01
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| Series: | Chips |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2674-0729/4/2/20 |
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