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2016•IEEE Solid-State Circuits MagazineRequires access

The Delta-Sigma Modulator [A Circuit for All Seasons]

Behzad Razavi

Open publisher page 19 citations

Abstract

Delta-Sigma modulators (DSMs) are a class of oversampling analog-to-digital converters (ADCs) that perform "quantization noise shaping," thus achieving a high signal-to-noise ratio (SNR). An efficient solution for resolutions above approximately 12 b, DSMs are extensively used in analog and RF applications. In this article, we study the fundamentals of this vast field.

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What this paper is about

Delta-Sigma modulators (DSMs) are a class of oversampling analog-to-digital converters (ADCs) that perform "quantization noise shaping," thus achieving a high signal-to-noise ratio (SNR). An efficient solution for resolutions above approximately 12 b, DSMs are extensively used in analog and RF applications. In this article, we study the fundamentals of this vast field.

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OpenAlex reports 19 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

Delta-Sigma modulators (DSMs) are a class of oversampling analog-to-digital converters (ADCs) that perform "quantization noise shaping," thus achieving a high signal-to-noise ratio (SNR). An efficient solution for resolutions above approximately 12 b, DSMs are extensively used in analog and RF applications. In this article, we study the fundamentals of this vast field.

Key concepts: Oversampling, Delta-sigma modulation, Noise shaping, Converters, Quantization (signal processing), Electronic engineering, Delta modulation, Noise (video)

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