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