A compact planar power combiner with complex impedance matching

ABSTRACT This article presents a compact power combiner/divider for solid‐state amplifier applications inspired by spatial combiner. The proposed “one‐stage” combining structure is realized by a single port tapered to an oversized microstrip connecting to parallel multiport microstrip sections. By a...

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Veröffentlicht in:Microwave and optical technology letters 2016-05, Vol.58 (5), p.1121-1125
Hauptverfasser: Chen, Te-Chuan, Yu, Xiaoju, Xin, Hao
Format: Artikel
Sprache:eng
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Zusammenfassung:ABSTRACT This article presents a compact power combiner/divider for solid‐state amplifier applications inspired by spatial combiner. The proposed “one‐stage” combining structure is realized by a single port tapered to an oversized microstrip connecting to parallel multiport microstrip sections. By adjusting the geometries of the structure, uniform amplitude/phase, and complex impedance matching at the multiport outputs can be achieved. A prototype 1‐to‐4 divider/combiner is designed and characterized at 5 GHz. Measured and simulated results showed similar trend and decent agreement. The measured combining efficiency of the circuit is 82.44% at 5 GHz. © 2016 Wiley Periodicals, Inc. Microwave Opt Technol Lett 58:1121–1125, 2016
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.29752