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