Data receiver and equalizer adapter

摘要

A data receiver includes a plurality of reception circuits 32 each of which receives a data signal through a transmission line, and itself includes an equalizer having a function of performing waveform shaping of the data signal; and an equalizer adapter 34 arranged in correspondence with all or a predetermined number greater than one of the plurality of reception circuits. The adapter calculates equalization coefficients for the equalizer in each of the plurality of reception circuits corresponding to the equalizer adapter. This reduces component count.