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