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