{HEAD ~ The multi path unity buffer} has a high frequency signal path and {TAIL ~ a low frequency signal path} 
has
{ HEAD ~ The multi path unity buffer } has a high frequency signal path and { TAIL ~ a low frequency signal path }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL