用噪声整形和数字滤波技术改进双斜率A/D转换器

2019 MIXDES - 26th International Conference "Mixed Design of Integrated Circuits and Systems" Pub Date : 2019-06-27 DOI:10.23919/MIXDES.2019.8787142

P. Sniatala, D. Makowski, J. Goes, W. Machowski, Sergio Salas Arriarán

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引用次数: 0

摘要

本文介绍了利用过采样、噪声整形和数字滤波技术对双斜率模数转换器(ADC)进行的改进。利用MATLAB/SIMULINK模型对所提出的方案进行了验证。仿真结果表明，采用4位双斜率ADC等改进可以达到与10位兼容的有效分辨率。将所提出的CIC滤波器的物理实现合成到FPGA Artix-7平台上。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Improving Dual-Slope A/D Converter with Noise-Shaping and Digital Filtering Techniques

The paper describes a modification of a dual-slope ADC (Analog to Digital Converter) by using oversampling, noise-shaping and digital filtering techniques. Elaborated MATLAB/SIMULINK models were used to verify the proposed solution. The simulation results show the improvement such as 4-bit dual-slope ADC can be used to reach an effective resolution compatible with 10 bits. The physical implementation of the proposed CIC filter was synthesized into FPGA Artix-7 platform.

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2019 MIXDES - 26th International Conference "Mixed Design of Integrated Circuits and Systems"

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