whereby the capacitive means and inductive means operate cooperatively to supply {TAIL ~ a quasi sinewave voltage} at the control electrode and the control means is operative for varying a frequency of operation of the converter to control {HEAD ~ a signal amplitude} at the output means 
whereby the capacitive means and inductive means operate cooperatively to supply { TAIL ~ a quasi sinewave voltage } at the control electrode and the control means is operative for varying a frequency of operation of the converter to control { HEAD ~ a signal amplitude } at the output means
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH