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Electronics - Testing and Troubleshooting

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Exercise : Testing and Troubleshooting - General Questions
1.
A series of gradually decreasing sine wave oscillations is called:
ringing
slew
overshooting
undershooting
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
The determination of a digital signal's frequency and waveshape is best accomplished with which test equipment?
an oscilloscope
a multimeter
a spectrum analyzer
a frequency generator
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
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 dim indication on the logic probe indicates that the supply voltage is probably low.
The output of the gate appears to be open.
The LOW indication is the result of a bad ground connection on the logic probe.
The gate is a tri-state device.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
A +5 V PCB power source that has been "pulled down" to a +3.4 V level may be due to:
a circuit open
a faulty regulator
the half-split method
a circuit short
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Measurement of pulse width should be taken at a 50% mean of the:
overshoot and undershoot
rise and fall
damping and ringing
leading and trailing amplitude
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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