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Electronics - Basic Op-Amp Circuits

Exercise : Basic Op-Amp Circuits - True or False
6.
To operate properly, an oscillator requires an external ac input signal.
True
False
Answer: Option
Explanation:
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7.
For a Wien-bridge oscillator to produce a sustained sine-wave output, the phase shift around the positive feedback loop must be greater than 0°.
True
False
Answer: Option
Explanation:
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8.
The effectiveness of a filter in rejecting signals beyond cutoff frequency is a function of the filter roll-off rating.
True
False
Answer: Option
Explanation:
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9.
A two-pole active filter produces a roll-off rate of –20 dB/decade.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
A zero-level detector is a type of comparator circuit.
True
False
Answer: Option
Explanation:
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