Research of On-Chip Sine Stimulus Based on Sigma-Delta Modulation Techniques

PENG Zhi-cong; CHEN Lan; FENG Yan; LIU Zhen-chao

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Research of On-Chip Sine Stimulus Based on Sigma-Delta Modulation Techniques

更新时间：2026-09-04

- Research of On-Chip Sine Stimulus Based on Sigma-Delta Modulation Techniques
- Vol. 32, Issue 11, Pages: 137-141(2015)
- 作者机构：
  
  中国科学院机构微电子研究所,北京,100029
- 作者简介：
- 基金信息：
- DOI：
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- Published：2015
- 稿件说明：
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彭智聪, 陈岚, 冯燕, 柳臻朝. 基于Sigma-Delta调制技术的片内正弦激励生成方法[J]. 微电子学与计算机, 2015, 32(11): 137-141.

PENG Zhi-cong, CHEN Lan, FENG Yan, et al. Research of On-Chip Sine Stimulus Based on Sigma-Delta Modulation Techniques[J]. 2015, 32(11): 137-141.
彭智聪, 陈岚, 冯燕, 柳臻朝. 基于Sigma-Delta调制技术的片内正弦激励生成方法[J]. 微电子学与计算机, 2015, 32(11): 137-141. DOI：

PENG Zhi-cong, CHEN Lan, FENG Yan, et al. Research of On-Chip Sine Stimulus Based on Sigma-Delta Modulation Techniques[J]. 2015, 32(11): 137-141. DOI：

摘要

针对模拟混合信号ADC的内建自测试

研究了基于Sigma-Delta调制技术的片内正弦激励生成方法

着重对该方法软件部分的实现进行了阐述.通过设计Sigma-Delta调制器

并对输出的比特流特性进行分析

提出了满足信噪比要求的最短比特流长度选择方法

以及在该长度下的比特流序列优化方法.以12位待测ADC为例

采用该方法生成了最优比特流序列

满足了信噪比的设计要求

验证了方法的可行性.

Abstract

With reference to the built-in-self-test(BIST) of analog-mixed signal AD converters

on-chip sine stimulus based on sigma-delta modulated techniques was studied. The research was mainly focused on the software implementation. By designing Sigma-Delta modulator

and analyzing the attributes of output bitstreams

we provided a scheme for shortest bitstreams selection and their optimization. In this paper

a 12-bit ADC was chosen to be tested. The output bitstreams with the required signal-to-noise ratio(SNR) were generated

which verifies the feasibility of the method.

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