Each quantized integrator includes {HEAD ~ an analog to digital converter} that preferably includes {TAIL ~ a sigma delta converter} that generates one of the binary signals 
Each quantized integrator includes { HEAD ~ an analog to digital converter } that preferably includes { TAIL ~ a sigma delta converter } that generates one of the binary signals
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH