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