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《Journal of Daqing Petroleum Institute》 2006-01
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Application of node voltage method to the operational circuit analysis

AI Qing-hui,GAO Wei,LI Meng-da(College of Electrical and Information engineering,Daqing Petroleum Institute, Daqing,Heilongjiang 163318,China)  
Node voltage method is of very great significance in the theoretical lecturing of electrical engineering.By using the node voltage method,the analysis of several kinds of actual circuits composed of the operational amplifier is introduced in this paper.These actual circuits include the adding circuit,the integrated circuit,the high-pass filter and the low-pass filter.By using the method introduced in the paper,the circuit diagram composed of operational amplifier can be changed into the equivalent map of electrical engineering,and then the operational amplifier circuit can be easily analyzed by using this equivalent map.It is shown that the method is of great reference value in theoretical lecturing.
【CateGory Index】: TM133
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