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该简易实验模拟机(简称模拟机)是以线性集成运算放大器为主要器件的教学实验装置。 台式结构,整机共计十二块功能组件板,以插件方式置于正面的两侧,中间部分是输出显示。操作部分和排题板全部置于前平面上。为了提高整机的精度减少故障率,电源取外附式高精度的稳压电源。 本文对该模拟机的设计思想、结构原理、实验操作作了介绍。特别是对通用运算放大器8FC2A在应用中的一些问题,例如提高其输入阻抗、减少漂移、调零、消振等问题亦作了说明。最后概述了模拟机的功能和特点。
The simple experiment simulator (referred to as simulator) is a linear integrated operational amplifier as the main device of the experimental teaching device. Desktop structure, the machine a total of twelve functional components board, plug-in placed on both sides of the front, the middle part is the output display. The operating part and the platoon are all placed on the front plane. In order to improve the accuracy of the whole machine to reduce the failure rate, the power supply should be attached with a high-precision regulated power supply. This paper introduces the design idea, structure principle and experiment operation of the simulator. In particular, the general operational amplifier 8FC2A in the application of some of the problems, such as improving its input impedance, reduce drift, zero adjustment, vibration suppression and other issues have also been described. Finally, the functions and features of the simulator are summarized.