The control circuit includes a plurality of current control stages , a minimum circuit , and {HEAD ~ a control system} which provides feedback from {TAIL ~ the load} 
The control circuit includes a plurality of current control stages , a minimum circuit , and { HEAD ~ a control system } which provides feedback from { TAIL ~ the load }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL