A Highly Efficient and Compact 6kW GaN Solid-State Microwave Generator for CW 2.45GHz Applications

This paper describes a 2.45GHz 6kW CW GaN solid state microwave generator development which was mainly focused on it's compact size (507 × 392.4 × 192mm (L × W × H)) with 56% of high SSPA head efficiency. The core part of this microwave generator, GaN on SiC transistor operates as a class B amp...

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Bibliographic Details
Published in2019 IEEE MTT-S International Microwave Symposium (IMS) pp. 572 - 575
Main Authors Haesoo Jeong, Taesan Yoon, Hojoon Yoo, Hyeonsuk Jung, Cho, Samuel
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.06.2019
Subjects
Electromagnetic heating
GaN
Generators
High power amplifiers
Magnetic heads
Microwave amplifiers
Microwave energy
Microwave generator
Microwave transistors
Power amplifiers
RF energy
Transistors
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Summary:This paper describes a 2.45GHz 6kW CW GaN solid state microwave generator development which was mainly focused on it's compact size (507 × 392.4 × 192mm (L × W × H)) with 56% of high SSPA head efficiency. The core part of this microwave generator, GaN on SiC transistor operates as a class B amplifier to maximize efficiency, 74%. Entire design process of this microwave generator, packaging of a transistor, SSPA design, output power combining, exterior design and software control is optimized to generate a stable 6kW continuous wave signal.
ISSN:2576-7216
DOI:10.1109/MWSYM.2019.8700740