{HEAD ~ The temperature independent voltage} across the common resistor and the base emitter junction of the second transistor is buffered by {TAIL ~ a unity gain amplifier} 
is buffered by
{ HEAD ~ The temperature independent voltage } across the common resistor and the base emitter junction of the second transistor is buffered by { TAIL ~ a unity gain amplifier }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL