The DUT is part of a source series terminated {TAIL ~ serial link transmitter}, in which two branches of parallel transistors {HEAD ~ each} provide an impedance value when particular transistors of the parallel branch are turned on 
The DUT is part of a source series terminated { TAIL ~ serial link transmitter } , in which two branches of parallel transistors { HEAD ~ each } provide an impedance value when particular transistors of the parallel branch are turned on
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH