The source is grounded, and {HEAD ~ the gate} is attached to the drain or to {TAIL ~ the source} 
is attached to
The source is grounded , and { HEAD ~ the gate } is attached to the drain or to { TAIL ~ the source }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL