Patent ID: 6801145
Filing Date: 2004-10-05
Classification: G01R,H03M

Abstract:
A digitizer module for converting an analog signal outputted by an electronic device into a digital signal, comprising:at least two A/D converters for converting an analog signal outputted by said electronic device into a digital signal, each of said A/D converters operating with different sampling timing; a Fourier-transform unit for performing Fourier-transform on each of said digital signals converted by said at least two A/D converters and outputting a transformed signal; and an interleaving unit for generating a data sequence in which said transformed signal outputted by said Fourier-transform unit is comprised, wherein said interleaving unit comprises a spurious elimination means for eliminating a spurious component in said transformed signal resulting from a phase error between an ideal sampling timing, with which each of said at least two A/D converters should perform sampling on each of said analog signals, and said sampling timing, with which each of said at least two A/D converters performs sampling on each of said analog signals.