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