This conversion is accomplished while substantially isolating the second device from the effects of the first device that could influence the outputs of {HEAD ~ the second device} that represent {TAIL ~ the converted logic level voltages} 
This conversion is accomplished while substantially isolating the second device from the effects of the first device that could influence the outputs of { HEAD ~ the second device } that represent { TAIL ~ the converted logic level voltages }
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 OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL