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  • Question
  • The duty cycle of a pulse is determined by which formula?


  • Options
  • A. Duty Cycle = The duty cycle of a pulse is determined by which formula? Duty Cycle = Duty Cycle = Duty Cycle = Dut
  • B. Duty Cycle = The duty cycle of a pulse is determined by which formula? Duty Cycle = Duty Cycle = Duty Cycle = Dut
  • C. Duty Cycle = The duty cycle of a pulse is determined by which formula? Duty Cycle = Duty Cycle = Duty Cycle = Dut
  • D. Duty Cycle = The duty cycle of a pulse is determined by which formula? Duty Cycle = Duty Cycle = Duty Cycle = Dut

  • Correct Answer
  • Duty Cycle =  


  • Testing and Troubleshooting problems


    Search Results


    • 1. A logic probe is placed on the output of a gate and the display indicator is dim. A logic pulser is used on each of the input terminals, but the output indication does not change. What is wrong?

    • Options
    • A. The dim indication on the logic probe indicates that the supply voltage is probably low.
    • B. The output of the gate appears to be open.
    • C. The LOW indication is the result of a bad ground connection on the logic probe.
    • D. The gate is a tri-state device.
    • Discuss
    • 2. Measurement of pulse width should be taken at a 50% mean of the:

    • Options
    • A. overshoot and undershoot
    • B. rise and fall
    • C. damping and ringing
    • D. leading and trailing amplitude
    • Discuss
    • 3. A +5 V PCB power source that has been "pulled down" to a +3.4 V level may be due to:

    • Options
    • A. a circuit open
    • B. a faulty regulator
    • C. the half-split method
    • D. a circuit short
    • Discuss
    • 4. What is the next step after discovering a faulty gate within an IC?

    • Options
    • A. repair the gate
    • B. resolder the tracks
    • C. replace the IC involved
    • D. recheck the power source
    • Discuss
    • 5. The use of triggered sweep when using an oscilloscope provides more accuracy in which area?

    • Options
    • A. frequency
    • B. amplitude
    • C. graticule activity
    • D. timing
    • Discuss
    • 6. The time needed for a pulse to increase from 10% to 90% of its amplitude defines:

    • Options
    • A. pulse width
    • B. propagation delay
    • C. rise time
    • D. duty cycle
    • Discuss
    • 7. The determination of a digital signal's frequency and waveshape is best accomplished with which test equipment?

    • Options
    • A. an oscilloscope
    • B. a multimeter
    • C. a spectrum analyzer
    • D. a frequency generator
    • Discuss
    • 8. The use of a multimeter with digital circuits allows the measurement of:

    • Options
    • A. pulse width
    • B. voltage or resistance
    • C. current
    • D. pulse trains
    • Discuss
    • 9. Which device would best aid in shorted track detection?

    • Options
    • A. multimeter
    • B. current tracer
    • C. logic pulser
    • D. oscilloscope
    • Discuss
    • 10. Which test equipment best allows a comparison between input and output signals?

    • Options
    • A. an oscilloscope
    • B. a logic probe
    • C. a spectrum analyzer
    • D. a multitrace oscilloscope
    • Discuss


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