本文对虚拟仪器技术进行概要的介绍，对集成运算放大器的分类和测试原理

进行了说明，并重点对辅助运算放大器测试法进行了深入研究。根掘辅助运算放

大器测试法设计了测试单元电路，利用计算机和数据采集卡PCI-6221实现了测

试所需的正弦波信号源生成、丌关切换及电学量的数据采集，从而构造了集成运

算放大器的综合参数测试平台的硬件基础。-The virtual instrument technology, a brief introduction to the principles of classification and testing of integrated operational amplifiers, and focus on the the auxiliary operational amplifier test method conducted in-depth research. Root dig auxiliary op amp test method designed test unit circuit tests required to generate a sine wave signal source, the use of computer and data acquisition card PCI-6221, Ji switch off data acquisition and electrical quantities, so as to construct an integrated operational amplifier parametric test platform hardware foundation.