Title :
20 watt spatial power combiner in waveguide
Author :
Nai-Shuo Cheng ; Alexanian, A. ; Case, M.G. ; York, R.A.
Author_Institution :
Dept. of Electr. & Comput. Eng., California Univ., Santa Barbara, CA, USA
Abstract :
In this paper, we present the continued effort in the development of broadband waveguide-based spatial combiners. A 20 W result at X-band is reported. The combiner was implemented by using eight commercial GaAs MMIC amplifiers in a rectangular waveguide environment. A new combiner design is proposed to alleviate, if not eliminate, various technical problems and further improve the power performance. Resulting simplification in analysis also enable us to better characterize the combining circuits. The preliminary result suggests promising outlook in performance improvement.
Keywords :
MMIC power amplifiers; power combiners; rectangular waveguides; slot line components; 20 W; GaAs; X-band; broadband waveguide-based combiners; commercial GaAs MMIC amplifiers; power performance; rectangular waveguide environment; spatial power combiner; Broadband amplifiers; Circuits; Cogeneration; High power amplifiers; MMICs; Power amplifiers; Power combiners; Power generation; Rectangular waveguides; Topology;
Conference_Titel :
Microwave Symposium Digest, 1998 IEEE MTT-S International
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
0-7803-4471-5
DOI :
10.1109/MWSYM.1998.700649
