A controllable oscillator output signal from {HEAD ~ a CO} in {TAIL ~ the PLL} is divided by an N divider in the PLL to provide a divided CO signal 
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A controllable oscillator output signal from { HEAD ~ a CO } in { TAIL ~ the PLL } is divided by an N divider in the PLL to provide a divided CO signal
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH