A circuit for supplying {HEAD ~ selected currents} to {TAIL ~ a charge pump} without harmful effects arising from operation of current switches in the charge pump 
to
A circuit for supplying { HEAD ~ selected currents } to { TAIL ~ a charge pump } without harmful effects arising from operation of current switches in the charge pump
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH