Design and performance optimization of broadband millimeter-wave power amplifier based on 45nm SOI process

Hong Yu; Guanqin Guo; Hang Liu; WenLong He

doi:10.1117/12.3030241

5 June 2024 Design and performance optimization of broadband millimeter-wave power amplifier based on 45nm SOI process

Hong Yu, Guanqin Guo, Hang Liu, WenLong He

Proceedings Volume 13163, Fourth International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2024); 131630I (2024) https://doi.org/10.1117/12.3030241
Event: International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2024), 2024, Xi'an, China

Abstract

In response to the growing demand for high-performance millimeter-wave power amplifiers driven by advancements in millimeter-wave communication and radar technology, this study presents the design and performance evaluation of a wideband power amplifier with a central frequency of 34GHz, based on a 45nm SOI process. The design employs a two-stage differential amplifier structure, neutralization capacitor technique, and load-pull method, enhancing circuit gain and stability. An asymmetric magnetic coupling technique and transformer broadband matching are integrated to counterbalance the high-frequency gain of the power amplifier, yielding a level in-band gain. Simulation results indicate a power gain of 23.2dB at 34GHz, a saturated output power of 16.3dBm, an output power at the 1dB compression point of 13.1dBm, and a peak power-added efficiency of 44%. The amplifier exhibits a 3dB bandwidth from 31.5 to 40.1 GHz, demonstrating superior performance. This work provides a valuable reference for future millimeter-wave RF integrated circuit research.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Hong Yu, Guanqin Guo, Hang Liu, and WenLong He "Design and performance optimization of broadband millimeter-wave power amplifier based on 45nm SOI process", Proc. SPIE 13163, Fourth International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2024), 131630I (5 June 2024); https://doi.org/10.1117/12.3030241

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KEYWORDS

Design

Capacitors

Inductive coupling

Transformers

Capacitance

Transistors

Ka band

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