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Engineering LibreTexts

12: Analog-to-Digital-to-Analog Conversion

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  • Learning Objectives

    After completing this chapter, you should be able to:

    • Outline the concept of pulse code modulation.
    • Detail the advantages and disadvantages of signal processing in the digital domain.
    • Define the terms resolution, quantization, and Nyquist frequency.
    • Define an alias, and detail how it is produced and subsequently avoided.
    • Explain the operation of an \(R/2R\) digital-to-analog converter.
    • Explain the need for anti-alias and reconstruction filters.
    • Explain the operation of a successive approximation analog-to-digital converter.
    • Detail the need for and operation of a track-and-hold amplifier.
    • Explain the operation of a flash analog-to-digital converter.
    • Compare the different analog-to-digital converters in terms of speed, size and complexity, and detail typical applications for each.

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