{HEAD ~ The capacitor voltage} is applied to the source of the first field effect transistor, the source of the second field effect transistor, and to {TAIL ~ a bottom} of the reference precision resistor acting as a virtual ground 
{ HEAD ~ The capacitor voltage } is applied to the source of the first field effect transistor , the source of the second field effect transistor , and to { TAIL ~ a bottom } of the reference precision resistor acting as a virtual ground
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH