A German author published complete details for supplying a TWT at up to
7kV, with protection/sequencing, in VHF Communications some years ago.
Switch mode it was too.
I'll scratch it out if there is interest.
Cheers,
Ian Roberts ZS6BTE
>We (I guess some of us??) would love to find a design for a >voltage-regulated,
>current-limited power supply for use in the helix of a travelling wave >tube.
>The catches (I'm sure they are numerous) include some very high >voltages
>(1kv-10kv; at least 8100V is the helix on one tube I have!), strict >voltage
>regulation (1% or better), rapid start-up timing, current limiting (a >few
>mA is probably common), and the need for a fully DC isolated output >(TWTs
<often have collector as ground).
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