Testing and Troubleshooting Questions

• The use of triggered sweep when using an oscilloscope provides more accuracy in which area?
• What is the next step after discovering a faulty gate within an IC?
• A +5 V PCB power source that has been "pulled down" to a +3.4 V level may be due to:
• Measurement of pulse width should be taken at a 50% mean of the:
• 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?
• The duty cycle of a pulse is determined by which formula?
• The time needed for a pulse to increase from 10% to 90% of its amplitude defines:
• The determination of a digital signal's frequency and waveshape is best accomplished with which test equipment?
• The use of a multimeter with digital circuits allows the measurement of:
• Which device would best aid in shorted track detection?
• Which test equipment best allows a comparison between input and output signals?
• A series of gradually decreasing sine wave oscillations is called:
• The ideal test equipment to use for locating shorts in digital circuitry is the ________ and _______.
• The control of digital circuits is usually achieved with _________.
• Erratic or unexplained digital circuit activity is often due to _________.
• "Train" and "single" is the mode selection for a _______.
• The device that would best aid in open track detection is a(n) ________.
• In order for a logic probe to operate, its red and black leads must first be connected to a ________.
• The use of a logic probe may be improved through the use of a(n) ________.
• The results of internal IC failures will usually be noticed during the ______ phase of troubleshooting.