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Walsh 함수를 적용한 D/A 컨버터의 비선형 시험 (Non-linearity Testing of D/A Converters Applying Walsh Function)

  • 이해기;이춘모
    • 대한전기학회:학술대회논문집
    • /
    • 대한전기학회 2002년도 학술대회 논문집 전문대학교육위원
    • /
    • pp.161-165
    • /
    • 2002

  • The paper presents a diagnostic tool for analyzing the bit intermodulation in D/A converter. Bit intermodulation cause linearity errors which degrade the performance of the converter. A linear transformation of the Walsh transform of the integrated non-linearity diagram is shown to be sufficient to extract the bit intermodulation terms and their noise sensitivity. Practical applicability of the proposed method is shown by measurement.

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