means for sampling {HEAD ~ the n outputs} at a specified time relative to {TAIL ~ the sample clock pulse} to produce the n samples 
means for sampling { HEAD ~ the n outputs } at a specified time relative to { TAIL ~ the sample clock pulse } to produce the n samples
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH