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Virtual Oscilloscope

Description

This virtual oscilloscope simulation is a powerful tool for students studying electricity, electrical and electronics engineering students, and teachers presenting circuit concepts. It realistically replicates the behavior of a dual-channel oscilloscope connected to AC (alternating current) and DC (direct current) sources, and lets users display two signals simultaneously or add them together in real time to explore signal superposition.

Components

The simulation includes:

  • Two low-frequency function generators (LFG) with adjustable frequency, fine-tuning, amplitude, and offset, producing sine, triangular, and square waveforms
  • Two DC sources
  • Selectable channel modes: CH I, CH II, DUAL, and ADD (real-time sum of two signals)
  • Real-time waveform display, replicating how signals appear on actual oscilloscope screens
  • Screen magnifier for improved trace readability

Learning Outcomes

This hands-on tool provides a clear and visual introduction to waveforms, signal characteristics, signal superposition, and oscilloscope interpretation—ideal for physics and electronics instruction in a virtual lab setting. The ADD mode makes it especially useful for electrical and electronics engineering students exploring how signals combine.

Learn More

For more information about this simulation, see the Simulation Manual: Virtual Oscilloscope.

12 Comments

  1. This simulator is a great idea. It helps users understand the basic working principles of an oscilloscope, but it may be a bit too simple. If you developed a more advanced version with all the features and controls of a real analog oscilloscope, it would greatly help students who are learning about oscilloscopes in school.

    1. Thank you for your interest in the simulation.
      Regarding the Virtual Oscilloscope, it was meant to be educational, that’s why it is not cluttered with complicated technical controls related to electronic engineering. However, I plan to build a real-time virtual oscilloscope that can be used to measure real signals.
      Thank you again.

      1. Thank you very much for making this Virtual Oscilloscope
        I wish you best for development of real-time virtual oscilloscope that would be really Great!

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