Instead, the AC signal is effectively sampled and converted to {HEAD ~ digital form} at {TAIL ~ a multitude} of points in a cycle, say 360 points, one degree apart 
at
Instead , the AC signal is effectively sampled and converted to { HEAD ~ digital form } at { TAIL ~ a multitude } of points in a cycle , say 360 points , one degree apart
OTH OTH OTH OTH OTH 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