Ku-Band CMOS Power Amplifier with Three-Stack Power Stage to Enhance Output Power and Efficiency

Author:

Yang Junhyuk,Lee Jaeyong,Jang Seongjin,Jeong Hayeon,Kim ChoulyoungORCID,Park ChangkunORCID

Abstract

In this study, we proposed a power amplifier structure with improved efficiency while securing high output power. First, the characteristics of the common-source and stack structures were investigated. In particular, the output power and output impedance characteristics of the stack structure were analyzed compared with the common-source structure. A common-source structure was applied to the driver stage to minimize dc power consumption, and a stack structure was applied to the power stage to ensure high output power. In order to verify the proposed structure, a Ku-band power amplifier was designed using the 65-nm RF CMOS process that provides nine metal layers. At the operating frequency of 15 GHz, saturation output power and maximum power-added efficiency were confirmed to be 22.1 dBm and 17.2%, respectively.

Publisher

MDPI AG

Subject

Fluid Flow and Transfer Processes,Computer Science Applications,Process Chemistry and Technology,General Engineering,Instrumentation,General Materials Science

Cited by 6 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Ka-Band CMOS Stacked-FET Power Amplifier With Pre-Distorted Driver Stage for 5G Applications;IEEE Access;2024

2. Implementation of Single Chip 28 GHz SPDT Switch-less Front-end Circuits in a 65nm CMOS process;2023 14th International Conference on Information and Communication Technology Convergence (ICTC);2023-10-11

3. Wide Band CMOS Power Amplifier with High Flatness Using Inter-Digit Transformer and RC-Feedback;2023 IEEE Wireless and Microwave Technology Conference (WAMICON);2023-04-17

4. Design of K-Band Power Amplifier with 180-Degree Phase- Shift Function Using Low-Power CMOS Process;Applied Sciences;2023-02-15

5. Ka-Band CMOS Power Amplifier Using Stacked Structure With Cascode-Like Operation;IEEE Transactions on Circuits and Systems II: Express Briefs;2023

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