The minimum circuit provides the minimum of inputs from the control system and a limit circuit to the current control stages, thereby controlling {HEAD ~ the current} that is drawn through {TAIL ~ the load} 
is drawn through
The minimum circuit provides the minimum of inputs from the control system and a limit circuit to the current control stages , thereby controlling { HEAD ~ the current } that is drawn through { TAIL ~ the load }
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 OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL