{HEAD ~ The emitter circuit} of the first parasitic NPN transistor includes {TAIL ~ a resistor}, whereby the base emitter junction current densities of the parasitic NPN transistors are maintained at a preselected ratio 
includes
{ HEAD ~ The emitter circuit } of the first parasitic NPN transistor includes { TAIL ~ a resistor } , whereby the base emitter junction current densities of the parasitic NPN transistors are maintained at a preselected ratio
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL 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