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|Title:||Design of a High Efficiency GaN-HEMT RF Power Amplifier|
José Machado da Silva
|Abstract:||This paper presents the design and implementation of a GaN-HEMT, class-J power amplifier suitable for cognitive radio transceivers, i.e., which presents high-efficiency and wideband characteristics, being these maintained for large load variations. Simulation results are presented which show large-signal measurement results of 30 dB gain with 60%-76% power-added efficiency (PAE) over a band of 1.3-2.3 GHz. Adaptivity to load changes is being developed to ensure PAE above 70% for large load variations.|
|Appears in Collections:||CTM - Articles in International Conferences|
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