Multi-Stage Gate Modulation of E-Band MMIC Power Amplifier for Efficiency Improvement
Paper in proceeding, 2022

This work studies an efficiency improvement method of a 4 stage 1W GaAs E-band PA using multistage gate modulation. Using a behavioral modeling technique, we use simulations to investigate efficiency enhancement for different gate drive scenarios having one, two, or all stages of the PA modulated. Assuming an ideal pre-distortion and testing with a 64-QAM modulation signal an improvement of average PAE from 7.2% to 10.3 % is achieved which corresponds to a reduction of average DC power consumption from 5.9W to 4W.

Efficiency

Power amplifier

Gate modulation

MMIC

Author

Göksu Kaval

Gotmic AB

Chalmers, Microtechnology and Nanoscience (MC2), Microwave Electronics

Gregor Lasser

Chalmers, Microtechnology and Nanoscience (MC2), Microwave Electronics

Marcus Gavell

Gotmic AB

Christian Fager

Chalmers, Microtechnology and Nanoscience (MC2), Microwave Electronics

2022 International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits, INMMiC 2022 - Proceedings


9781665478458 (ISBN)

2022 International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits, INMMiC 2022
Cardiff, United Kingdom,

Eureka CELTIC: Energy-Efficient Radio Systems at 100 GHz and beyond: Antennas, Transceivers and Waveforms

VINNOVA (2020-02889), 2021-01-01 -- 2024-02-07.

Subject Categories

Telecommunications

Signal Processing

Other Electrical Engineering, Electronic Engineering, Information Engineering

DOI

10.1109/INMMIC54248.2022.9762192

More information

Latest update

11/13/2024