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