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High Power Combining of Ka-Band TWTs for Deep Space Communications

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5 Author(s)
E. G. Wintucky ; Communications Division, NASA Glenn Research Center, 21000 Brookpark Rd, Cleveland, OH 44135, ; R. N. Simons ; K. R. Vaden ; G. G. Lesny
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This paper presents the results of a high efficiency power combining demonstration of two 100 W Ka-band space TWTs using a 4-port magic-T hybrid junction-based waveguide circuit. Power combining efficiencies of about 90% over a 1 GHz frequency band centered at 32.05 GHz and a high data transmission rate of 622 Mbps were successfully demonstrated

Published in:

2006 IEEE International Vacuum Electronics Conference held Jointly with 2006 IEEE International Vacuum Electron Sources

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