{HEAD ~ The low frequency signal path} has {TAIL ~ an operational amplifier} powered to provide a low frequency, high bandwidth buffering operation 
{ HEAD ~ The low frequency signal path } has { TAIL ~ an operational amplifier } powered to provide a low frequency , high bandwidth buffering operation
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH