{HEAD ~ The self oscillating drive arrangement} for {TAIL ~ the power switch} has an inherent narrow bandwidth that is tuneable over a wide frequency range 
for
{ HEAD ~ The self oscillating drive arrangement } for { TAIL ~ the power switch } has an inherent narrow bandwidth that is tuneable over a wide frequency range
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH