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Phase measurement using lissajous patterns

Precautions while using Cathode Ray Oscilloscope

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Phase measurement using lissajous patterns

To Measure the phase difference of two sine waves their frequencies must be equal.
1. Connect a 1Volt peak peak, 1KHz sine wave signal from the function generator to the horizontal input of the CRO.
2. Connect the output of phase shift network to the vertical input as shown in figure.
3. Adjust the vertical and horizontal gains properly for good display.
4. Observe Lissajous Patterns for different combinations of R and C values.


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Cro controls
Trigger
Warning
Single channel operation
Function generator
Checking that the cro is triggered correctly
How do you use an oscilloscope
Cathode ray tube
Adjusting the trace position and appearance
Horizontal sweep section
Measuring a simple signal
Two channel operation
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