基于AD7896的瞬时峰值电压测量仪  

Instantaneous peak voltage measuring instrument based on the AD7896

作　　者：袁开鸿[1] 陈新喜[1] 

机构地区：[1]湖南铁道职业技术学院,湖南株洲412001

出　　处：《电子设计工程》2014年第6期169-171,174,共4页Electronic Design Engineering

摘　　要：文中介绍了一款基于AD7896的瞬时峰值电压测量仪的设计。峰值检测是示波器中数据采集的重要方法,优于取样方式和平均方式。采用单片机控制方式,通过对峰值检测仪电路的整体框架的设计,给出了硬件电路各个单元模块的设计原理图,结合硬件设计,得到了软件设计的整体流程图以及中断函数流程图,仪器通过测试,简单易行,测试精度较高。This article describes an AD7896-based instantaneous peak voltage meter design.Peak detection is an important oscilloscope data collection methods,sampling methods and better than average way.Using SCM control,through the peak detector circuit design of the overall framework,given the hardware circuit design of each unit modules chematics,combined with hardware design,software design has been the overall flowchart flowchart and interrupt functions,the instrument through testing,simple testaccuracy.

关 键 词：峰值检测 AD7896 取样保持 单片机系统 

分 类 号：TN710[电子电信—电路与系统]