frequency measurement using cro

Learn how to perform frequency measurement using CRO (Cathode Ray Oscilloscope) with this detailed guide. Our article explains the process step-by-step, utilizing Lissajou’s patterns to accurately measure frequency. With clear diagrams and an easy-to-understand approach, this resource is ideal for students and electronics enthusiasts looking to master frequency measurement techniques using a CRO.

How to measure frequency & phase using Lissajou’s patterns on CRO? Explain with diagrams

Applied Electronics

Prof. Dattaraj Vidyasagar
February 23, 2022
January 4, 2024

To measure the phase different between two waveforms, their frequencies must be same. Connect the two waveforms randomly at x-input and y-input of CRO. Keep time/div knob in x-y mode. Now a Lissajou’s pattern of an ellipse is obtained.