Further, positive going pulses are be produced during a portion of the first half of each cycle, or period P, for transistor Q1 while positive going pulses for transistor Q2 are produced during a portion of {HEAD ~ the second half} of {TAIL ~ such cycle} 
of
Further , positive going pulses are be produced during a portion of the first half of each cycle , or period P , for transistor Q1 while positive going pulses for transistor Q2 are produced during a portion of { HEAD ~ the second half } of { TAIL ~ such cycle }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 REL TAIL TAIL TAIL TAIL TAIL TAIL