Electronic Devices - Op-Amp Applications

Exercise :: Op-Amp Applications - General Questions

11. 

Calculate the output of the first-stage op-amp when V1 = 25 mV.

A. –1.05 V
B. 0.075 V
C. 0.06 V
D. 4.2 V

Answer: Option B

Explanation:

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12. 

How many op-amps are required to implement this equation?

A. 2
B. 3
C. 4
D. 1

Answer: Option D

Explanation:

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13. 

Calculate the output voltage if V1 = V2 = 700 mV.

A. 0 V
B. –12 V
C. 12 V
D. –8 V

Answer: Option A

Explanation:

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14. 

Calculate the cutoff frequencies of a bandpass filter with R1 = R2 = 5 k and C1 = C2 = 0.1 F.

A. fOL = 318.3 Hz, fOH = 318.3 Hz
B. fOL = 636.6 Hz, fOH = 636.6 Hz
C. fOL = 318.3 Hz, fOH = 636.6 Hz
D. fOL = 636.6 Hz, fOH = 318.3 Hz

Answer: Option A

Explanation:

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15. 

Calculate the output voltage if V1 = 300 mV and V2 = 700 mV.

A. 0 V
B. –12 V
C. 12 V
D. –4 V

Answer: Option D

Explanation:

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