The injection of {HEAD ~ the analog model} into {TAIL ~ the feedback} improves the noise transfer function associated with the ΔΣM 
into
The injection of { HEAD ~ the analog model } into { TAIL ~ the feedback } improves the noise transfer function associated with the ΔΣM
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH