when the comparing yields a first result indicating the test voltage output meets a pre determined criteria, providing the control input to the inverter circuit that is the same as {HEAD ~ the control input} being provided to {TAIL ~ the DUT}; and 
provided to
when the comparing yields a first result indicating the test voltage output meets a pre determined criteria , providing the control input to the inverter circuit that is the same as { HEAD ~ the control input } being provided to { TAIL ~ the DUT } ; and
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH