Design And Analysis Of Simulation Based On MULTISIM Circuit

This paper mainly validates the powerful function of Multisim software. Multisim is a multifunctional electronic simulated circuit software, which can design and simulate at the same time. The modification of the circuits is very convenient. By Multisim simulation, cost of experiments can be reduced since no real devices are wasted during the test.Moreover, so the rate of experiments is very fast. The success of circuit simulation can be directly used in the product.We firstly test several typical cell circuits by using Multisim, including basic amplifier circuit, the negative feedback of amplifier circuit, power amplifier circuit,waveform circuit and filter circuit, in which filter circuit is the main point. Based on theoretical calculation, the typical Multi-channel negative feedback two step low pass filter segment is simulated. Then we test the passband and draw the amplitude response using the software. Furthermore, schemat is drew, and according to the PCB we designed and test the performance of the board. The conclusion of the real experiment is mostly consistent with the simulation and there is only tiny difference between them. The simple explanation of the difference is also referred in this paper. Finally, we make some simulation on several simple circuits commonly used in daily life. And an actual circuit board about responder based on 51 mcu is introduced in this paper as a production of the Multisim simulation software. The difference between simulation and experiment is discussed again to show Multisim's widely use.All of our work proves that Multisim simulation software is worthy of being used in circuits research and design.