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