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Increasing requirement of traveling-wave tubes (TWTs) with miniature size, less weight, high efficiency, high power, etc increases complexity of TWT packaging for thermal modeling. Two-third of the total power consumption of a typical TWT is dissipated in the collector. The rise in temperature due to the dissipated power in the collector has to be drained out efficiently without creating any hot spots...
Non-conventional 3-stage collector geometry has been designed using EGUN code for high efficiency applications deviating from typical 4-stage depressed collector. Efficiency of this collector is very much similar to 4-stage collector with reduced dimensions, weight, etc, which are very important if such collector is to be used for space applications. Such collector also reduces the complexity of electronic...
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