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