{HEAD ~ PWM patterns} corresponding to substantially similar delta sigma modulator input signal levels have {TAIL ~ substantially identical pulse widths} 
have
{ HEAD ~ PWM patterns } corresponding to substantially similar delta sigma modulator input signal levels have { TAIL ~ substantially identical pulse widths }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL