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Digital Electronics - Multivibrators and 555 Timer

Exercise : Multivibrators and 555 Timer - General Questions
21.
What is the difference between a retriggerable one shot and a nonretriggerable one shot?
The nonretriggerable can only be triggered once.
The retriggerable can be triggered many times.
The output pulse can be stretched with a nonretriggerable.
The output pulse can be stretched with a retriggerable.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Triggering a retriggerable one shot during pulse generation will:
time out the original pulse
extend the pulse to this trigger width
have no effect
double the original pulse width
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.

What is the duty cycle of the waveform at the output of the circuit given below?

78%
56%
50%
44%
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
The monostable multivibrator circuit is not an oscillator because ________.
its output switches between two states
it requires a trigger to obtain an output signal
it requires a sine wave input signal
the circuit does not require a dc power supply
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
A retriggerable one shot has a pulse of 10 ms. 3 ms after being triggered, another trigger pulse is applied. The resulting output pulse will be ________ ms.
3
7
10
13
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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