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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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Single channel operation
Multimeter
Measuring a simple signal
Cathode ray oscilloscope
Features and controls
Digital storage oscilloscope
Ensuring the cro is calibrated correctly
Adjusting the trace position and appearance
Analog sampling oscilloscope
Trigger
Use of the ac dc function
Some simple oscilloscope experiments
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