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This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Linear Integrated Circuit knowledge and support exam preparation. Choose a topic below to get started.
1. |
Which value remain the same regardless of whether it is computed from the change in low dc supply or change in +Vcc or -Vee ? |
A. | ‚ñ≥V |
B. | ‚ñ≥V<sub>io</sub> |
C. | ‚ñ≥V<sub>oo</sub> |
D. | None of the mentioned |
Answer» E. | |
2. |
A LM307 amplifier has SVRR of 92dB, express it in terms of microvolts per volts? |
A. | 65µV/V |
B. | 37.98µV/V |
C. | 25.12µV/V |
D. | 101.4µV/V |
Answer» D. 101.4¬¨¬®¬¨¬µV/V | |
3. |
Write the equation for change in the output offset voltage? |
A. | ‚ñ≥V<sub>oo</sub> = [-R<sub>F</sub>/R<sub>1</sub>)]√ó [‚ñ≥V<sub>io</sub>/‚ñ≥V] √ó‚ñ≥V |
B. | ‚ñ≥V<sub>oo</sub> = [1+(R<sub>F</sub>/R<sub>1</sub>)]√ó [‚ñ≥V<sub>io</sub>/‚ñ≥V] √ó‚ñ≥V |
C. | ‚ñ≥V<sub>oo</sub> = [1+(R<sub>F</sub>/R<sub>1</sub>)]√ó [‚ñ≥V<sub>io</sub>/‚ñ≥V]. |
D. | None of the mentioned |
Answer» C. ‚Äö√Ñ√∂‚àö¬±‚Äö√¢‚Ä¢V<sub>oo</sub> = [1+(R<sub>F</sub>/R<sub>1</sub>)]‚Äö√†√∂‚àö‚â• [‚Äö√Ñ√∂‚àö¬±‚Äö√¢‚Ä¢V<sub>io</sub>/‚Äö√Ñ√∂‚àö¬±‚Äö√¢‚Ä¢V]. | |
4. |
When does the op-amp perform better? |
A. | Low value of SVRR in µV/V |
B. | High value if SVRR in µV/V |
C. | Low value of SVRR in dB |
D. | High value of SVRR in dB |
Answer» B. High value if SVRR in ¬¨¬®¬¨¬µV/V | |
5. |
A supply voltage rejection ratio of 15µv/v is given for an op-amp. Find its equivalent value in decibels$ |
A. | 74db |
B. | 77dB |
C. | 76.48dB |
D. | 76dB |
Answer» D. 76dB | |
6. |
Change in the input bias current does not affect? |
A. | Input offset voltage |
B. | Output offset voltage |
C. | Input offset current |
D. | Output offset current |
Answer» D. Output offset current | |
7. |
Which factor affects the power supply voltages in amplifier? |
A. | Poor regulation and filtering |
B. | Resistive network connected to amplifier |
C. | Change in temperature |
D. | All of the mentioned |
Answer» B. Resistive network connected to amplifier | |