When FET 108 conducts, {TAIL ~ line} 114 which connects to the gate input of FET 116 connects to {HEAD ~ ground} 112 
When FET 108 conducts , { TAIL ~ line } 114 which connects to the gate input of FET 116 connects to { HEAD ~ ground } 112
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH