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