generating {HEAD ~ a multiphase signal} from {TAIL ~ the distributed digital differential signal}, wherein generating the multiphase signal comprises phase shifting the distributed differential signal with a plurality of controllable delay stages; and 
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generating { HEAD ~ a multiphase signal } from { TAIL ~ the distributed digital differential signal } , wherein generating the multiphase signal comprises phase shifting the distributed differential signal with a plurality of controllable delay stages ; and
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD 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