基于DAQ数据采集卡的虚拟仪器通用硬件平台设计

Design of the General Hardware Platform of Virtual Instrument Based on DAQ Data-Acquisition Card

简介了虚拟仪器的基本概念和构成 ,讨论了虚拟仪器通用硬件平台的组成 ,详述了基于PCI总线的虚拟示波器的硬件设计思想 ,重点介绍了信号调理电路和数据采集电路的设计。

This paper briefly introduces the basic concept and composition of virtual device, discusses the composition of the general hardware platform of virtual device, expatiates on the hardware-designing thoughts of PCI bus-based virtual oscillograph, and mainly introduces the design of signal-regulating circuit and data acquisition circuit.