Modifying loop filter data, such as a loop filter output signal, of the delta sigma modulator modifies a delta sigma modulator quantizer output signal, which in turn changes the frame to frame {HEAD ~ duty cycles} of {TAIL ~ the pulse width modulator output} 
Modifying loop filter data , such as a loop filter output signal , of the delta sigma modulator modifies a delta sigma modulator quantizer output signal , which in turn changes the frame to frame { HEAD ~ duty cycles } of { TAIL ~ the pulse width modulator output }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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