The forward signal arrangement generates the continuous time analog output signal at the output node based on {HEAD ~ a difference} between {TAIL ~ the discrete time analog signal} and the discrete time feedback signal 
between
The forward signal arrangement generates the continuous time analog output signal at the output node based on { HEAD ~ a difference } between { TAIL ~ the discrete time analog signal } and the discrete time feedback signal
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH