Digital Electronics - Multivibrators and 555 Timer - Discussion

Discussion Forum : Multivibrators and 555 Timer - General Questions (Q.No. 35)
35.
The pulse width out of a one-shot multivibrator increases when the:
supply voltage increases
timing resistor decreases
UTP decreases
timing capacitance increases
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
5 comments Page 1 of 1.

Yguguvu said:   4 years ago
D is the right answer.

Athira said:   5 years ago
Correct answer is D.

Shams said:   6 years ago
The answer is D, the pulse width = 0.69RC.

Mikki said:   1 decade ago
I thought so it was the capacitor. But there is also an equation related with time. Vc= Vm(1-e^-t/RC) i guess its because of this equation?

Manu M. said:   1 decade ago
Is this the right answer? What if the timing capacitance increased? The equation is T = 1.1 RC.

That means pulse width is proportional to the resistance and Capacitance only.

Hence if the value of capacitor increased, pulse width increases and supply voltage has no relation with it.

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