The DUT consists of {HEAD ~ one branch} of parallel transistors in {TAIL ~ series} with a resistor 
in
The DUT consists of { HEAD ~ one branch } of parallel transistors in { TAIL ~ series } with a resistor
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH