Electronics - Basic Op-Amp Circuits

Exercise :: Basic Op-Amp Circuits - General Questions

11. 

A triangular-wave oscillator can consist of an op-amp comparator, followed by a(n)

A. differentiator
B. amplifier
C. integrator
D. multivibrator

Answer: Option C

Explanation:

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12. 

The ramp voltage at the output of an op-amp integrator

A. increases or decreases at a linear rate
B. increases or decreases exponentially
C. is always increasing and never decreasing
D. is constant

Answer: Option A

Explanation:

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13. 

A two-pole high-pass active filter would have a roll-off rate of

A. 40 dB/decade
B. –40 dB/decade
C. 20 dB/decade
D. –20 dB/decade

Answer: Option B

Explanation:

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