Bringing Opportunities to Developers in Spain. What, exactly, is the triggering function doing that makes an AC waveform appear to stand still? The amount of time represented by each horizontal division is indicated at the bottom of the screen and is the same for all traces on the graph. Hopefully, discussing scenarios such as this will help students avoid this problem in their labwork. If possible, demonstrate this scenario using a real oscilloscope and function generator, and have students adjust the controls to get the waveform to display optimally.
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Select the More menu item to see other options. Note also that the probes are measuring voltages away from the common point so the waveforms will be inverted relative to each other. Sometimes, you would like to look at a signal that doesn't happen often, so you would like to capture the event when it does happen and then be able to view the waveform on the screen. Explain what sort of problem would be caused by connecting a dual-trace oscilloscope to a circuit in the following manner:. Challenge your students to think of ways the signal source function generator may be adjusted to produce the display, then have them think of ways the oscilloscope controls could be adjusted to fit.