In a CMOS bandgap reference circuit, {HEAD ~ the respective collectors} of two lateral parasitic NPN transistors are connected to {TAIL ~ the two nodes} of a current mirror 
are connected to
In a CMOS bandgap reference circuit , { HEAD ~ the respective collectors } of two lateral parasitic NPN transistors are connected to { TAIL ~ the two nodes } of a current mirror
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH