The control signal is processed by a FSM that individually turns on or off {HEAD ~ the transistors} within {TAIL ~ the parallel branch} until the DUT impedance value falls within the desired range 
within
The control signal is processed by a FSM that individually turns on or off { HEAD ~ the transistors } within { TAIL ~ the parallel branch } until the DUT impedance value falls within the desired range
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH