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Digital Electronics - Digital Design

Exercise : Digital Design - General Questions
1.
The ________ circuit overcomes the problem of switching caused by jitter on the inputs.
astable multivibrator
monostable multivibrator
bistable multivibrator
Schmitt trigger
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
Why would a delay gate be needed for a digital circuit?
A delay gate is never needed.
to provide for setup times
to provide for hold times
to provide for setup times and hold times
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
An optocoupler is an integrated circuit with an LED and a zener diode encased in the same package.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
A Schmitt trigger has VT+ = 2.0 V and VT– = 1.2 V. What is the hysteresis voltage of the Schmitt trigger?
0.4 volt
0.6 volt
0.8 volt
1.2 volts
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Which of the following circuit parameters would be most likely to limit the maximum operating frequency of a flip-flop?
setup and hold time
clock pulse HIGH and LOW time
propagation delay time
clock transition time
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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