Digital Electronics - Multivibrators and 555 Timer

Exercise :: Multivibrators and 555 Timer - General Questions

36. 

If Vcc of a 555 timer circuit is set to +10 V what is the level of output voltage from the circuit?

A. VOH = 10 V, VOL = 0 V
B. VOH = 10 V, VOL = 0.1 V
C. VOH = 8.5 V, VOL = 0 V
D. VOH = 8.5 V, VOL = 0.1 V

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

37. 

If the resistor in the Schmitt trigger astable multivibrator is a variable resistor, what part of the output voltage waveform will change when the resistance is changed?

A. the shape of the waveform
B. the amplitude of the waveform
C. the period of the waveform
D. none of the above

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

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