said second rectifying means wherein {HEAD ~ its cathode} is connected to {TAIL ~ the output voltage} of the boost converter 
is connected to
said second rectifying means wherein { HEAD ~ its cathode } is connected to { TAIL ~ the output voltage } of the boost converter
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH