Furthermore, the output circuit of the transistor is also connected, via {HEAD ~ a current source} and a second capacitor, to {TAIL ~ a first reference potential} 
Furthermore , the output circuit of the transistor is also connected , via { HEAD ~ a current source } and a second capacitor , to { TAIL ~ a first reference potential }
OTH 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 TAIL TAIL TAIL