The first driver circuit drives a first load element formed of {HEAD ~ the first material} based on {TAIL ~ the first bias voltage} 
based on
The first driver circuit drives a first load element formed of { HEAD ~ the first material } based on { TAIL ~ the first bias voltage }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL