Modifying {HEAD ~ loop filter data}, such as {TAIL ~ 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 duty cycles of the pulse width modulator output 
such as
Modifying { HEAD ~ loop filter data } , such as { TAIL ~ 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 duty cycles of the pulse width modulator output
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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