As a general rule, {TAIL ~ the circuit designer} would want to set the number of delay periods for the reference delay unit 205 in {HEAD ~ the final circuit} equal to the tap number of the initial circuit whose multiplication operation is the most hardware intensive 
As a general rule , { TAIL ~ the circuit designer } would want to set the number of delay periods for the reference delay unit 205 in { HEAD ~ the final circuit } equal to the tap number of the initial circuit whose multiplication operation is the most hardware intensive
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH