Implementation Method of High-Resolution DAC Using the MCU's PWM Interfaces

doi:10.3969/j.issn.0372-2112.2012.08.021

您当前的位置：

首页 >

文章列表页 >

Implementation Method of High-Resolution DAC Using the MCU's PWM Interfaces

更新时间：2025-07-08

- Implementation Method of High-Resolution DAC Using the MCU's PWM Interfaces
- Acta Electronica Sinica Vol. 40, Issue 8, Pages: 1631-1634(2012)
- 作者机构：
  
  1. 湖南大学电气与信息工程学院,湖南,长沙,410082
  2. 温州大学物理与电子信息工程学院,浙江,温州,325035
  3. 湖南大学电气与信息工程学院,湖南,长沙,410082
  4. 温州大学物理与电子信息工程学院,浙江,温州,325035
- 作者简介：
- 基金信息：
  
  Industry-university-research Integration program of Department of Education of Guangdong Province (No.2010B090400213)
- DOI：10.3969/j.issn.0372-2112.2012.08.021
  CLC： TP271
- Published：2012
- 稿件说明：
移动端阅览
Implementation Method of High-Resolution DAC Using the MCU's PWM Interfaces[J]. Acta Electronica Sinica, 2012, 40(8): 1631-1634.
DOI：

Implementation Method of High-Resolution DAC Using the MCU's PWM Interfaces[J]. Acta Electronica Sinica, 2012, 40(8): 1631-1634. DOI： 10.3969/j.issn.0372-2112.2012.08.021.

摘要

本文针对嵌入式应用中PWM(Pulse-Width Modulation)方式DAC(Digital-to-Analog Converter)和独立DAC芯片选择问题

提出了通过插值方式和多PWM组合方式提高PWM方式DAC分辨率的方法;分析了PWM信号频谱

提出了模拟滤波器设计原则与方法.以MCU(Micro Control Unit)的PWM通道方式实现DAC

经过数据分析证明此方法稳定可靠.

Abstract

A method that improving the resolution of PWM(Pulse-Width Modulation) mode DAC(Digital-To-Analog Converter) by interpolator was proposed for the problem that PWM mode DAC in embedded applications and how to choose DAC chip.The PWM signal spectrum was analyzed.The design principle and method of analog filter was proposed.The design of High-Resolution DAC using MCUs(Micro Control Unit) PWM proved that this method is stable and reliable by analysis of experiments.

关键词

Keywords

references

Views

下载量

CSCD

Alert me when the article has been cited

提交

Tools

Publicity Resources

Study on the Silicon Based Blocked-Impurity-Band Terahertz Detector and Its Application for Imaging

Neighborhood Definition for Catadioptric Omnidirectional Image Based on Resolution of Position

Statistical Feature Based Fast Color Image Interpolation

Algorithm on Extracting High-Resolution Image from Low-Resolution Image Sequence

Related Author

CHEN Yu-lu

ZHANG Chuan-sheng

ZANG Yuan-zang

PAN Ming

WANG Bing-bing

CAO Jun-cheng

WANG Xiao-dong

ZHANG Mao-jun

Related Institution

The 50th Research Institute of China Electronics Technology Group Corporation

Key Laboratory of Terahertz Solid State Technology, Shanghai Institute of Microsystem and Information Technology

Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences

College of Information Systems and Management, National University of Defense Technology

Biomedical Signal Detecting and Processing Laboratory,Tianjin University

⁰