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