Emulation of Non-Reciprocity applied in Load-Modulated Power Amplifier Architectures using Single Amplifier Load-Pull Measurements
Paper in proceeding, 2021

An active load-pull measurement technique is exploited to test the performance of novel high-efficiency power amplifier (PA) concepts based on non-reciprocity. This technique allows new PA architectures, including its load-modulation, to be evaluated before any construction is necessary. Merely active
load-pull measurements of a single representative device or PA, in combination with knowledge of the S-parameters of the output combiner, are needed. As a result of the technique, the load modulation on the branch PAs are exposed, thereby allowing PA designers to optimize PA performance. The technique is demonstrated by emulating a load-modulation PA, consisting of two branch PAs with their outputs combined using a non-reciprocal circulator. The resulting PA concept is designed and evaluated at 2.14 GHz.

measurement technique

Active load–pull

circulator

emulation

power amplifier (PA)

non-reciprocal

Author

Jose-Ramon Perez-Cisneros

Chalmers, Microtechnology and Nanoscience (MC2), Microwave Electronics

Han Zhou

Chalmers, Microtechnology and Nanoscience (MC2), Microwave Electronics

Christian Fager

Chalmers, Microtechnology and Nanoscience (MC2), Microwave Electronics

Koen Buisman

Chalmers, Microtechnology and Nanoscience (MC2), Microwave Electronics

University of Surrey

2021 51st European Microwave Conference, EuMC 2021

647-650
978-2-87487-063-7 (ISBN)

2021 51th European Microwave Conference, EuMC 2021
London, United Kingdom,

Subject Categories

Telecommunications

Other Electrical Engineering, Electronic Engineering, Information Engineering

DOI

10.23919/EuMC50147.2022.9784379

More information

Latest update

5/1/2024 1