basic concepts in differential amplifier
11
1. Calculate the output voltage if V 1 = –0.2 V and V 2 = 0 V. A. 0 V B. –6.6 V C. –4 V D. 2 V 2. A number of op-amp stages can be used to provide separate gains. A. True B. False 3. Determine the output voltage when V 1 = –V 2 = 1 V. A. 0 V B. –2 V C. 1 V D. 2 V 4. How man y op-a mps ar e requi red to implement this equation? V o = V 1 A. 2 B. 3 C. 4 D. 1
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Transcript of basic concepts in differential amplifier
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C. 1 V
D. 2 V
8. How many op-amps are required to implement this equation?
A. 2 B. 3
C. 4 D. 1
9. Calculate the input voltage if the final output is 10.08 V.
A. –1.05 V
B. 0.525 V
C. 0.168 V
D. 4.2 V
10. Calculate the output of the first-stage op-amp when V1 = 25 mV.
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A. –
1.05 V
B. 0.075 V
C. 0.06 V
D. 4.2 V
11. How many op-amps are required to implement this equation?
A. 2 B. 3
C. 4 D. 1
12. Calculate the output voltage if V1 = V2 = 700 mV.
A. 0 V
B. –12 V
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C. 12 V
D. –8 V
13. Calculate the output voltage if V1 = 300 mV and V2 = 700 mV.
A. 0 V
B. –12 V
C. 12 V
D. –4 V
14. Calculate the output voltage.
A. –6.00 mV
B. 6.0 mV
C. 6.12 mV
D. –6.12 mV
15. Determine the value of Rf (assuming that all have the same value).
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A. 1.1 V
B. –1.1 V
C. –1 V
D. 1 V
18. Calculate the output voltage.
A. 3.02 V
B. 2.03 V
C. 1.78 V
D. 1.50 V
19. Calculate the output of the second stage op-amp if V1 = 25 mV.
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A. –
0.075 V
B. 0.525 V
C. 0.06 V
D. 4.2 V
20. Refer to Example 11.7. Calculate the output voltage Vo if V1 = –V2 = 300 mV.
A. 0 V
B. –12 V
C. 12 V
D. –8 V
21. Calculate the output voltage if V1 = –3.3 V and V2 = 0.8 V.
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A. 0 V
B. 6.6 V
C. –4 V
D. 2 V
22. When a number of stages are connected in parallel, the overall gain is the product of the individual stage gains.
A. True B. False
23. Calculate the output voltage if V1 = 0 V and V2 = 0.2 V.
A. 0 V
B. –6.6 V
C.–4 V
D. 2 V
24. Determine the output voltage when V1 = –V2 = –1 V.
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A. 0 V
B. –2 V
C. 1 V
D. 2 V
25. Determine the output voltage.
A. 10(V2 – Vi)
B. –10(V2 – V1)
C. –10(V1 – V2)
D. None of the above
26. How many op-amps are required to implement this equation?
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A. 2 B. 3
C. 4 D. 1
27. Calculate the output voltage if V1 = 33 mV and V2 = 2 mV.
A. 0 V
B.
–6.6 V
C. –0.4 V
D. 2 V
