4. How do you know when an oscilloscope is triggered? this is the missing part i

Question

4. How do you know when an oscilloscope is triggered? this is the missing part in the pic

wave ror canbration purpose the votage across the capacitor in an RC cire Volts / division and 10 microseconds / division settings. is an oscilloscope display, which represents the exponential increase and decay of e the scope is set to the 05 Below he display is similar to what you will be seeing in lab on settings. Assume the scope ys s suare The voltage across the capacitor increases during the positive half cycle of the square wave. What is the frequency of the square wave? 11) 12) You measure the RC time constant through a two step procedure. First, locate the point on the up-slope half of the "shark-fin" which is 63% of the total height of the trace. Mark this point on the above display with an arrow. 3) Measure the number of time divisions across the display starting from the bottom of the wave to the point where you marked the arrow. Record that number of time divisions below and convert it to time in microseconds. This time is the RC time constant of the circuit. It is the amount of time that passes as the voltage rises to 63% of its peak value. 4) What is the detinition of triggering and visually, how do you know when an oscilloscope

Explanation / Answer

Oscilloscope triggering function allows us to see a repetative waveform in a steady fashion.This means a continuous moving waveform on the screen in a steady fashion.This can be done by choosing voltage at which we want triggering.This Voltage can be choosen by using triggering nobe on oscilloscope.Comparator compares the voltage and accordingly triggering starts.This is the voltage at which waveform display starts on screen.

Hence by seeing steady fashion dislpay we can say wave is triggered and corresponding starting voltage of the wave on display screen is its triggering voltage.

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