Klystron Phase Shifting Question: Maximizing Output with Parallel Connection

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SUMMARY

The discussion centers on the feasibility of connecting ten 200 kW klystrons in parallel to achieve a 2 MW RF pulse output. It is established that phase shifting the inputs of nine klystrons is necessary to synchronize their outputs effectively. Continuous operation is not recommended due to potential drift, necessitating phase shift corrections for each pulse. The maximum number of klystrons that can be connected in this manner depends on the specific design and operational parameters, and the concept is compared to multi-beam klystron technology.

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  • Basic principles of power combining in RF applications
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RF engineers, klystron designers, and anyone involved in high-power RF pulse applications will benefit from this discussion.

klystronman
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i have a simple question about klystrons.
okay if i need say a 2 Mw rf pulse but i only have 10 200kw klystrons. assuming no regular losses. Can I connect these 10 klystrons in parallel. Do I need to phase shift the inputs of 9 to syncronize the outputs? Can I operate them continuously or will there be drift and phase shift correction needed on every pulse? what would be the maximum number of klystrons i could do this? Would this be the same as a multi beam klystron?
my desired output would be a flat top square wave pulse.
I wish I was smart like everyone here.
thanks
 
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