For example, the detection circuit 26 may detect a rising edge on {HEAD ~ the digital signal} by comparing an amplitude value corresponding to the sample N+1 with the threshold value 32 and determining that the amplitude value is greater than {TAIL ~ the threshold value} 32 
For example , the detection circuit 26 may detect a rising edge on { HEAD ~ the digital signal } by comparing an amplitude value corresponding to the sample N+1 with the threshold value 32 and determining that the amplitude value is greater than { TAIL ~ the threshold value } 32
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH