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“Cursor measurements” is the mode in which an oscilloscope determines the cursors positions on Y- or X-axes and calculates the difference between these cursors positions.
Pair markers used for measurement by two data points (in an oscilloscope or logic analyzer). Vertical cursors are two movable vertical lines used for the measurement of temporary oscillogram parameters (e.g. signal T period). Horizontal cursors are two horizontal movable lines used to measure the signal level parameters.
One of the auto measurement types in digital oscilloscopes, relating to a derivative measurement type of amplitude and time, is the definition of an area under one (e.g. the first one) waveform cycle.
Delay A→B means time delay measurement between the edges of two signals. Meanwhile the edges should be both falling or rising.
Delay A→B¯ means time delay measurement between the edges of two signals. The first edge should be rising and the second one – falling or vice versa.
Edge triggering is performed when the signal level of synchronization source passes through the specified voltage level in the prescribed direction.
An edge trigger occurs when the input signal crosses the specified voltage level in the chosen direction. Depending on the functionality of oscilloscope capabilities the trigger can occur on rising, falling or rising & falling edge.
Effective number of bits is the feature which reflects the signal quality (or its quality reduction) of analog-digital system in some frequency range. ENOB is defined by IEEE1057 specifications. Besides that IEEE1057 specifications describe the ENOB measurement methods. ENOB is generally acknowledged quality index of ADC, Oscilloscopes and some other discretization systems.
ETS allows a digital oscilloscope to capture high–frequency signals with a much higher effective sampling rate.
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