A capacitor is coupled to {TAIL ~ the source} of current to receive current therefrom, thereby forming {HEAD ~ an integrating circuit} 
A capacitor is coupled to { TAIL ~ the source } of current to receive current therefrom , thereby forming { HEAD ~ an integrating circuit }
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