Digital Electronics - Multivibrators and 555 Timer
Exercise :: Multivibrators and 555 Timer - True or False
1. |
When extremely critical timing is required, a quartz crystal can be used. |
Answer: Option A
Explanation:
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2. |
In the 74121, which is nonretriggerable, any triggers that come in before the end of the timing cycle are ignored. |
Answer: Option A
Explanation:
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3. |
A comparator simply outputs a HIGH or LOW based on a comparison of the voltage levels at its input. |
Answer: Option A
Explanation:
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4. |
The 74S124 TTL chip is a voltage-controlled oscillator that will generate a specific frequency at Vout. |
Answer: Option B
Explanation:
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5. |
A single Schmitt trigger inverter is all that is needed to build a simple astable multivibrator. |
Answer: Option B
Explanation:
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