一种1db Psat带宽为5.5-9.5 GHz的宽带数字功率放大器

0 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE microwave and wireless technology letters Pub Date : 2024-12-05 DOI:10.1109/LMWT.2024.3509422

Hao Heng;Lanxin Jia;Zonglin Ye;Kailei Wang;Qian Xie;Jun Zhou;Zheng Wang

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引用次数: 0

摘要

本文介绍了一种宽带数字功率放大器（DPA），该放大器采用65纳米互补金属氧化物半导体（CMOS），具有基于变压器的双谐振传输线（TDRT）匹配网络。首先提出并分析了宽带TDRT，然后介绍了实现宽带紧凑输出匹配网络的设计流程。在TDRT的贡献下，该宽带DPA在7 GHz频段的饱和功率为21.2 dBm，漏极效率为37.6%，在该频段的1 db带宽为5.5 ~ 9.5 GHz，分数带宽为53.3%，漏极效率为27.7% ~ 37.6%。

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A Broadband Digital Power Amplifier With 1-dB Psat Bandwidth of 5.5–9.5 GHz

This letter presents a broadband digital power amplifier (DPA) with a transformer-based dual-resonant transmission line (TDRT) matching network in 65-nm complementary metal-oxide-semiconductor (CMOS). The broadband TDRT is proposed and analyzed first, and then the design flow is introduced to achieve a broadband and compact output-matching network. With the contribution of TDRT, the proposed broadband DPA delivers a saturated power of 21.2 dBm with drain efficiency of 37.6% at 7 GHz, and achieves a 1-dB bandwidth of 5.5–9.5 GHz with a fractional bandwidth of 53.3%, whose drain efficiency is 27.7%–37.6% in this frequency range.

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来源期刊

IEEE microwave and wireless technology letters

CiteScore

6.00

自引率

0.00%

发文量