{HEAD ~ a tuned network} coupling the first main conduction path electrode to the output means and operative for controlling a voltage waveform at the first main conduction path electrode to be continuous for a portion of a half cycle of operation of {TAIL ~ the semiconductor power switch} during its nonconducting state, 
{ HEAD ~ a tuned network } coupling the first main conduction path electrode to the output means and operative for controlling a voltage waveform at the first main conduction path electrode to be continuous for a portion of a half cycle of operation of { TAIL ~ the semiconductor power switch } during its nonconducting state ,
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH