Thus {HEAD ~ the currents} supplied to the charge pump and to the replica charge pump are complementary in the sense that they always add to a constant total current drawn from {TAIL ~ a common power supply} 
Thus { HEAD ~ the currents } supplied to the charge pump and to the replica charge pump are complementary in the sense that they always add to a constant total current drawn from { TAIL ~ a common power supply }
OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL