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L-3 Communications Electron Technologies, Inc. (L-3 ETI) continues its development of high efficiency traveling-wave tubes (TWTs) for space communications with the 2006 development of a 250 W - 300 W S-band TWT and a 100 W K-band TWT. These TWTs will enhance L-3 ETI's TWT product line and cover important emerging applications. For TWTs placed in orbit since 1987 (when L-3 ETI, then Hughes EDD, switched...
Latest capability in millimeter-wave helix-TWTs demonstrated at L-3 Communications Electron Technologies (L-3 ETI), Inc. (formally Boeing Electron Dynamic Devices, Inc. and originally Hughes Electron Dynamics Division) in CW output power and the overall efficiency of Ka-band and Q-band devices are presented. The 8921HP, L-3 ETI's standard high power communications Ka-band TWT model, produces 250 W...
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