{TAIL ~ Resistor R4} 512 is placed in series between {HEAD ~ the driver output terminal} 118 and signal path 516 
{ TAIL ~ Resistor R4 } 512 is placed in series between { HEAD ~ the driver output terminal } 118 and signal path 516
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH