There is provided an analog-to-digital conversion apparatus that corrects digital data output from a plurality of analog-to-digital conversion units. The analog-to-digital conversion apparatus includes an interleaving unit operable to align the digital data respectively output from the plurality of analog-to-digital conversion units and to generate a data sequence; and a correction arithmetic unit operable to correct a data value error caused by a phase error of the sampling timing of the plural...

An analog-to-digital conversion apparatus includes an interleaving section that aligns the digital data respectively output from a plurality of analog-to-digital conversion sections and generates a data sequence, and a correction arithmetic section that corrects a data value error caused by errors of frequency characteristics of the plurality of analog-to-digital conversion sections, in which the correction arithmetic section includes: a data partitioning section that generates a plurality of pa...

An interleaving A/D conversion type waveform digitizer module comprising a means for eliminating spurious components resulting from phase errors according to N A/D converters, wherein the digitizer samples signals continually with a predetermined timing corresponding to a interleaving configuration of the A/D converters, receives signals outputted by a tested device to be tested, converts the signals into digital signals, performs Fourier-transform of the digital signals and performs interleavin...

An interleaving A/D conversion type waveform digitizer module comprising a means for eliminating spurious components resulting from phase errors according to N A/D converters, wherein the digitizer samples signals continually with a predetermined timing corresponding to a interleaving configuration of the A/D converters, receives signals outputted by a tested device to be tested, converts the signals into digital signals, performs Fourier-transform of the digital signals and performs interleavin...

A digitizer module comprises an AD converter for sampling a pair of analog signals at a predetermined time interval and converting into a first and second digital signals respectively, a second signal frequency component calculating unit for calculating a second signal frequency component representing a component of each frequency of the second digital signal on the basis of the second digital signal, a skew frequency component calculating unit for calculating a skew frequency component represen...

A digitizer module comprises an AD converter for sampling a pair of analog signals at a predetermined time interval and converting into a first and second digital signals respectively, a second signal frequency component calculating unit for calculating a second signal frequency component representing a component of each frequency of the second digital signal on the basis of the second digital signal, a skew frequency component calculating unit for calculating a skew frequency component represen...

An analog-to-digital conversion apparatus includes an interleaving unit operable to align the digital data respectively output from the plurality of analog-to-digital conversion units; and a correction arithmetic unit operable to correct a data value error of a data sequence caused by an error of a frequency characteristic for each of the plurality of analog-to-digital conversion units. The correction arithmetic unit includes a data partitioning unit that partitions the data sequence into a plur...

A digitizer is provided which includes: N A/D converters for converting an analog signal output from an electronic device to digital signals at different sampling timings by turns (N is an integer equal to or larger than 2); and N digital filters for outputting corrected signals obtained by multiplying the digital signals output from the N A/D converters by correction coefficients, wherein the correction coefficients are based on phase errors between ideal sampling timings at which associated A/...

A digitizer module comprises an AD converter for sampling a pair of analog signals at a predetermined time interval and converting into a first and second digital signals respectively, a second signal frequency component calculating unit for calculating a second signal frequency component representing a component of each frequency of the second digital signal on the basis of the second digital signal, a skew frequency component calculating unit for calculating a skew frequency component represen...

A digitizer module comprises an AD converter for sampling a pair of analog signals at a predetermined time interval and converting into a first and second digital signals respectively, a second signal frequency component calculating unit for calculating a second signal frequency component representing a component of each frequency of the second digital signal on the basis of the second digital signal, a skew frequency component calculating unit for calculating a skew frequency component represen...