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