Novel 4-way combiner for Ka-band AlGaN/GaN power MMIC

Novel 4-way combiner for Ka-band AlGaN/GaN power MMIC

A Ka-band GaN MMIC power amplifier (PA) with a novel 4-way combiner/divider is presented. The on-chip balanced 4-way combiner results in improved input and output return loss, and increased bandwidth. The 32 - 38 GHz two-stage PA produces a maximum power of 6 watts under class-A operation. This is t...

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Hauptverfasser: Darwish, Ali M., Qiu, Joe X., Viveiros, Edward A., Hung, H. Alfred
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Gallium nitride
GaN MMIC
HEMTs
Microwave amplifiers
Microwave communication
MMICs
power combiner
power splitter
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Beschreibung
Zusammenfassung:A Ka-band GaN MMIC power amplifier (PA) with a novel 4-way combiner/divider is presented. The on-chip balanced 4-way combiner results in improved input and output return loss, and increased bandwidth. The 32 - 38 GHz two-stage PA produces a maximum power of 6 watts under class-A operation. This is the first report of this novel compact, combiner concept.
ISSN:0149-645X
2576-7216
DOI:10.1109/MWSYM.2012.6259623