A source electrode s of {TAIL ~ the transistor} 12 is connected to a grounded terminal 19 having {HEAD ~ a ground potential} equal to OV 
A source electrode s of { TAIL ~ the transistor } 12 is connected to a grounded terminal 19 having { HEAD ~ a ground potential } equal to OV
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH