A Sigma-Delta Modulator System Design with 2-2 Mash Structure

Yang Yang; Guo Dong Sun; Ming Xin Song; Zhi Ming Wang

doi:10.4028/www.scientific.net/AMR.981.121

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Design of a Three-Stage Amplifier with Single Miller Capacitor Feedforward Compensation
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The Design of the Sinusoidal Signal Generator
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A Sigma-Delta Modulator System Design with 2-2 Mash Structure
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The Nonlinear Analysis of Readout Circuit for Microgyroscope
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The Research of Noise Figure for EDFA Performance Impact
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 981A Sigma-Delta Modulator System Design with 2-2...

A Sigma-Delta Modulator System Design with 2-2 Mash Structure

Abstract:

Σ-Δ modulator structure is increasingly becoming complex, it is very necessary to improve the design efficiency by the level of behavior model in the simulation. The paper discussed several important Σ-Δ modulators with ideal factors, and gives corresponding behavior model. Then, the paper shows a behavior level design with non-ideal factors. Under the condition that sample rate is 256 and input signal frequency is 250 KHz, the SNR can get 105 dB, the effective bit can get 16 bit. It can be used in audio and electronic equipment.

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Periodical:

Advanced Materials Research (Volume 981)

Pages:

121-124

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.981.121

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Online since:

July 2014

Authors:

Yang Yang, Guo Dong Sun, Ming Xin Song*, Zhi Ming Wang

Keywords:

2-2 Mash, ADC, Cascade Structure, Non-Ideal Factors, Σ-Δ Modulator

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