Oscilloscope Display
Oscilloscope Display
Oscilloscope trigger problem. The settings of the "trigger" to when the trace. Suppose you have ...?
sample a sine wave with V = Vosin (weight) on the screen, where Vo = 5V yw/2pi = 5 kHz. Assume further that the signal triggers the scope where V = 2.5V and weight = 30 degrees. Example: Suppose you double the amplitude of the wave without changing any settings of the oscilloscope. What are V and weight now, when the field of application has been shot? [Answer: The level has not changed so the scope is still active when V = 2.5V. V = 2.5 = 10sin (weight) = weight sin ^ (-1) (2.5/10) = 14.4775121851511 degrees.] QUESTION: Suppose you Vo reduces back to 5 V and change the slope of activation polarity '+' a '-' without changing the trigger level line. What are V and weight, when the scope is triggered now? Graphic Link: https: / / homework.ps.uci.edu/webwork_course_files/2010Winter_Physics_3LB_47110/tmp/gif/Phys3LB_Week2-prob4-graph.gif Go! Heres the chart: http://twitpic.com/xqyb6
V = 2.5, weight = 180-30 = 150 reason: sin (180-x) = sin (x), but the slope is the opposite.
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