Design and fabrication of a GaN HEMT power amplifier based on hidden Markov model for wireless applications

Improvement of power amplifier’s performance is the desired topic in communication systems. There are many efforts are made to provide good input and output matching, high efficiency, sufficient power gain and appropriate output power. This paper presents a power amplifier with optimized input and o...

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Vydáno v:PloS one Ročník 18; číslo 5; s. e0285186
Hlavní autoři: Soruri, Mohammad, Razavi, S. Mohammad, Forouzanfar, Mehdi, Colantonio, Paolo
Médium: Journal Article
Jazyk:angličtina
Vydáno: United States Public Library of Science 05.05.2023
Public Library of Science (PLoS)
Témata:
Algorithms
Amplification
Amplifiers, Electronic
Communications systems
Design and construction
Efficiency
Electronic warfare
Engineering and Technology
Fabrication
Frequency ranges
High electron mobility transistors
Liquors
Markov chains
Markov processes
Matching
Methods
Microstrip transmission lines
Modelling
Optimization
Physical sciences
Power amplifiers
Power gain
Probability
Radar
Radar equipment
Wireless telephone software
Iran
ISSN:1932-6203, 1932-6203
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Popis
Shrnutí:Improvement of power amplifier’s performance is the desired topic in communication systems. There are many efforts are made to provide good input and output matching, high efficiency, sufficient power gain and appropriate output power. This paper presents a power amplifier with optimized input and output matching networks. In the proposed approach, a new structure of the Hidden Markov Model with 20 hidden states is used for modeling the power amplifier. The widths and lengths of the microstrip lines in the input and output matching networks are defined as the parameters that the Hidden Markov Model should optimize. For validating our algorithm, a power amplifier has been realized based on a 10W GaN HEMT with part number CG2H40010F from the Cree corporation. Measurement results have shown a PAE higher than 50%, a Gain of about 14 dB, and input and output return losses lower than -10 dB over the frequency range of 1.8–2.5 GHz. The proposed PA can be used in wireless applications such as radar systems.
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Competing Interests: The authors have declared that no competing interests exist.
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0285186