{TAIL ~ The operational amplifiers} are a pre drive to {HEAD ~ the pass transistors} to allow smaller sense resistors to be used 
{ TAIL ~ The operational amplifiers } are a pre drive to { HEAD ~ the pass transistors } to allow smaller sense resistors to be used
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH