![]() The displayed waveform can then be analyzed for properties such as amplitude, frequency, rise time, time interval, distortion, and others. The main purposes are to display repetitive or single waveforms on the screen that would otherwise occur too briefly to be perceived by the human eye. Modern digital oscilloscopes automatically set the measurement parameters and calculate/display the signal values automatically.Īn oscilloscope (informally a scope) is a type of electronic test instrument that graphically displays varying electrical voltages as a two-dimensional plot of one or more signals as a function of time. From the grid inherent to the screen together with the user-set parameters of the device shown at the upper display rim, the user may calculate the frequency and the voltage of the measured signal. ![]() ![]() Typical display of an analog oscilloscope measuring a sine wave signal with 10 kHz.
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