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