Measurement of voltage,frequency and phase using cro pdf

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line, types of Oscilloscopes. Measurement of: Signal voltage, Current, Phase &. Frequency using Lissajous patterns, Industrial applications of CRO.A simple method of determining the frequency of a signal is to estimate its periodic time from the trace on the screen of a CRT. However, this method has. Measurement of D.C.Voltage : - Deflection on a CRO screen is directly proportional to the voltage applied to the deflecting plates. Therefore, if the screen is It can be employed to measure such quantities as peak voltage, frequency or period, phase difference, pulse width, delay time, rise time and fall time. A more negative voltage results in less number of electrons 4. Measurement of Phase Example: Measurement of Frequency and a. c. voltage Using a CRO It is typically used to measure the time period and peak p.d. of repeated waveforms, and to determine the shape of the waveform. A CRO allows up to two inputs ( particular, you will measure frequency of an alternating signal and phase Fig.11.8: Peak-to-peak voltage measurement for ac-signal using CRO.