MCQOPTIONS
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MCQOPTIONS
This section includes 4 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. |
A differential amplifier has a transistor with 0= 100, is biased at ICQ = 0.48mA. Determine the value of CMRR and ACM, if RE =7.89k and RC = 5k . |
| A. | 49.54 db |
| B. | 49.65 d |
| C. | 49.77 db |
| D. | 49.60 db |
| Answer» C. 49.77 db | |
| 2. |
Change in value of common mode input signal in differential pair amplifier make |
| A. | Change in voltage across collector |
| B. | Slight change in collector voltage |
| C. | Collector voltage decreases to zero |
| D. | None of the mentioned |
| Answer» B. Slight change in collector voltage | |
| 3. |
For Vd >l 4VT, the function of differential amplifier will be |
| A. | Switch |
| B. | Limiter |
| C. | Automatic gain control |
| D. | Linear Amplifier |
| Answer» C. Automatic gain control | |
| 4. |
At what condition differential amplifier function as a switch |
| A. | 4V<sub>T</sub> < V<sub>d</sub> < -4V<sub>T</sub> |
| B. | -2V<sub>T</sub> V<sub>d</sub> 2V<sub>T</sub> |
| C. | 0 V<sub>d</sub> < -4V<sub>T</sub> |
| D. | 0 V<sub>d</sub> 2V<sub>T</sub> |
| Answer» B. -2V<sub>T</sub> V<sub>d</sub> 2V<sub>T</sub> | |