Waveform data generating apparatus

Details Waveform data generating apparatus Waveform data generating apparatus

1995-05-30

1997-10-07

Mai, Tan V.

Boots, shoes, and leggings

G06J 100

Patent

active

056755236

ABSTRACT:
By using only a template of a step response waveform when the waveform changes from "0" level to "1" level, a filter coefficient representing nature of voltage noises, such as reflection and rounding, in terms of polynomial of exponential function is generated by a filter coefficient generator. Respective logic data from a test pattern generator are divided by a filter order, and thus divided logic data are produced. The filter order corresponding to a number of taps. By operating the filter coefficient and the divided logic data by a filter arithmetic unit, data of an analog waveform is generated. The data of the analog waveform is skipped by a data skipping apparatus, the result is applied to an analog waveform generating apparatus, and an analog waveform is generated.

REFERENCES:
patent: 5495202 (1996-02-01), Hsu

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