The signal processing system includes a pulse width modulator that receives {HEAD ~ input signals} from {TAIL ~ a delta sigma modulator} 
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The signal processing system includes a pulse width modulator that receives { HEAD ~ input signals } from { TAIL ~ a delta sigma modulator }
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