Electronics - Operational Amplifiers
Exercise :: Operational Amplifiers - General Questions
| 6. |
What is this circuit?
 |
| A. |
a low-pass filter | | B. |
a high-pass filter | | C. |
a bandpass filter | | D. |
a band-stop filter |
Answer: Option D
Explanation:
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| 7. |
A noninverting closed-loop op-amp circuit generally has a gain factor: |
| A. |
less than one | | B. |
greater than one | | C. |
of zero | | D. |
equal to one |
Answer: Option B
Explanation:
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| 8. |
In order for an output to swing above and below a zero reference, the op-amp circuit requires: |
| A. |
a resistive feedback network | | B. |
zero offset | | C. |
a wide bandwidth | | D. |
a negative and positive supply |
Answer: Option D
Explanation:
|
| 9. |
Op-amps used as high- and low-pass filter circuits employ which configuration? |
| A. |
noninverting | | B. |
comparator | | C. |
open-loop | | D. |
inverting |
Answer: Option D
Explanation:
|
| 10. |
Decreasing the gain in the given circuit could be achieved by |
| A. |
reducing the amplitude of the input voltage | | B. |
increasing the value of the feedback resistor | | C. |
increasing the value of the input resistor | | D. |
removing the feedback resistor |
Answer: Option C
Explanation:
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