Year: 2025

Simulation Design and Circuit Implementation of Function Generators

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Simulation Design and Circuit Implementation of Function Generators

Abstract in Chinese: Taking the design of multi-waveform function generator as an example, the design method of electronic circuit which combines theoretical analysis, simulation design and hardware implementation is described. The scheme demonstration and unit circuit design were made for the function generator. With Multisim simulation software, the simulation model was established, the simulation analysis … Read more

6 Essential Tips for PCB Layout Design

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6 Essential Tips for PCB Layout Design

When passing the PCB schematic to the layout design, there are six key considerations. All examples mentioned are developed using the Multisim design environment, but the same concepts apply when using different EDA tools! Initial Schematic Transfer When transferring the schematic to the layout environment via the netlist file, device information, netlist, layout information, and … Read more

Analysis of a Low-Cost 220V to 5V Circuit

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Analysis of a Low-Cost 220V to 5V Circuit

Hello everyone, I am a beginner in electronics. Today we will analyze an AC 220V to DC 5V resistive-capacitive voltage reduction circuit. The resistive-capacitive voltage reduction is a circuit that can convert AC mains power to low DC voltage with very few components and at a very low cost. It is often used in devices … Read more

How to Draw a Switch Potentiometer Symbol

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How to Draw a Switch Potentiometer Symbol

Common Symbols for Potentiometers The resistance of a potentiometer, also known as its nominal value, refers to the resistance between its two fixed ends. The common symbols for potentiometers are shown in Figure 3. Switch Potentiometer Symbol 1. Enter the main interface of Multisim and directly select the icon button. 2. Next, click on BASIC_VIRTUAL. … Read more

Exploration of Online Experiment Teaching with Self-Developed Circuit Analysis Software

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Exploration of Online Experiment Teaching with Self-Developed Circuit Analysis Software

We Are Together Due to the impact of the pandemic, how to conduct practical teaching, which is crucial for science and engineering courses, online has become the biggest difficulty in online teaching. Teacher Yu Xiaoming from the School of Information Engineering has conducted a new exploration. In the online teaching of the “Circuit Analysis” experimental … Read more

Virtual-Real Combined Teaching Mode for Electric Experiments Using Common Devices and Multisim

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Virtual-Real Combined Teaching Mode for Electric Experiments Using Common Devices and Multisim

Virtual simulation experiments are an important direction in the reform of physics experimental teaching. Since their official use in university physics laboratory courses in the 1990s, they have greatly promoted the development of physics laboratory teaching across the country. However, as the reform of experimental teaching deepens and the demand for university physics laboratory teaching … Read more

Protel 99 SE and Multisim 8 Circuit Design Tutorial

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Protel 99 SE and Multisim 8 Circuit Design Tutorial

1 Introduction Using Electronic Design Automation (EDA) software to design electronic circuits is the mainstream method in today’s electronic design. Currently, commonly used EDA tools in China include Multisim, Protel, Matlab, Spice, Maxplus II, etc. Among these, Protel 99 SE is a circuit design software that runs in a Windows environment, mainly consisting of schematic … Read more

How to Simulate Operational Amplifier Noise Frequency Curve in Multisim? Calculate Noise RMS with Just 3 Formulas!

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▼ Follow our WeChat public account: Engineer Looks at the Sea ▼ ​ Hello everyone, I am Engineer Looks at the Sea. Original articles are welcome to like and share! What are the noise sources of operational amplifiers? What is the noise frequency curve? What is equivalent input noise? What is the relationship between noise … Read more

Introduction to Multisim: A Practical Guide

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Introduction to Multisim: A Practical Guide

Multisim is a simulation tool developed by National Instruments (NI) based on Windows, suitable for the design of board-level analog/digital circuit boards. It includes graphical input for circuit schematics and circuit hardware description language input methods, with rich simulation and analysis capabilities. Engineers can use Multisim to interactively build circuit schematics and simulate circuits. 01 … Read more