{TAIL ~ An interpolation circuit} generates a plurality of {HEAD ~ intermediate amplitude values} linearly related to two consecutive signal amplitude values using a system of adders and memory elements 
{ TAIL ~ An interpolation circuit } generates a plurality of { HEAD ~ intermediate amplitude values } linearly related to two consecutive signal amplitude values using a system of adders and memory elements
TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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