{HEAD ~ The circuit} 3, wherein the first transconductor and {TAIL ~ the second transconductor} are N Channel Metal Oxide Semiconductor transistors 
wherein
{ HEAD ~ The circuit } 3 , wherein the first transconductor and { TAIL ~ the second transconductor } are N Channel Metal Oxide Semiconductor transistors
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH