As previously noted, {HEAD ~ the final circuit} will have the same impulse response as the initial circuit, but will ensure {TAIL ~ a constant direct current gain} and reduce hardware requirements 
ensure
As previously noted , { HEAD ~ the final circuit } will have the same impulse response as the initial circuit , but will ensure { TAIL ~ a constant direct current gain } and reduce hardware requirements
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH