The feedback signal arrangement generates a discrete time feedback signal at {HEAD ~ the input} of the forward signal arrangement based on one or more continuous time analog signals from {TAIL ~ the forward signal arrangement} 
The feedback signal arrangement generates a discrete time feedback signal at { HEAD ~ the input } of the forward signal arrangement based on one or more continuous time analog signals from { TAIL ~ the forward signal arrangement }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL