The minimum circuit responds to {TAIL ~ the first input signal} from the feedback circuit and to the second input signal from the limit circuit to provide the control signal present at {HEAD ~ the third terminal} of each current control stage 
The minimum circuit responds to { TAIL ~ the first input signal } from the feedback circuit and to the second input signal from the limit circuit to provide the control signal present at { HEAD ~ the third terminal } of each current control stage
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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 HEAD OTH OTH OTH OTH OTH