a fourth element processed to generate a functional computer executable representation of {HEAD ~ a filter capacitor} connected to the first field effect {TAIL ~ transistor} for producing a capacitor voltage, 
a fourth element processed to generate a functional computer executable representation of { HEAD ~ a filter capacitor } connected to the first field effect { TAIL ~ transistor } for producing a capacitor voltage ,
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH