I have been using solid state Tesla coils for high voltage static field experiments. However, their output is constrained by their resonant frequency. I need a wider, "manually sweepable", frequency range.
What are the proven design options for self-constructed circuit that would take a 10KHz to 100KHz square wave from a bench signal generator and output 10KV over that entire range?
An output amplitude variation over that range of 20-30% would be acceptable. Only a few microamps are required. Wave shape is non-critical.
I have seen lab quality equipment that does this ("HV amplifiers"), possibly with chained HV switching transistors, but I cannot find a cheap and dirty circuit to work from, if there is one.
Thanks for any suggestions.