MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Analog Circuits knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Neglecting Channel Length Modulation, if the transconductance of a MOSFET increases, the output impedance of the follower stage can _________ |
| A. | increase |
| B. | decrease |
| C. | increase linearly |
| D. | decrease non-linearly |
| Answer» C. increase linearly | |
| 2. |
Neglecting Channel Length Modulation, if the transconductance increases, the input impedance of a follower stage ___________ |
| A. | Remans the same |
| B. | Increases |
| C. | Decreases |
| D. | Doubles |
| Answer» B. Increases | |
| 3. |
Neglecting Channel Length Modulation, if the aspect ratio of the MOSFET increases, the gain of the follower stage will _________ |
| A. | increase |
| B. | decrease |
| C. | increases proportionately |
| D. | doesn t get affected |
| Answer» B. decrease | |
| 4. |
Neglecting Channel Length Modulation, if the transconductance of the MOSFET increases, the gain of the follower stage will _________ |
| A. | decreases |
| B. | increases |
| C. | doesn t get affected |
| D. | doubles |
| Answer» C. doesn t get affected | |
| 5. |
Assume nCox = 100 A/V2 and supply current is 5mA, what should be the aspect ratio so that a 50 load can be used to give a voltage gain of .25 in C.D. configuration? |
| A. | 32.6 |
| B. | 50 |
| C. | 40 |
| D. | 41 |
| Answer» B. 50 | |
| 6. |
The follower stage is mostly used as a ____________ |
| A. | Current source |
| B. | Buffer stage |
| C. | Amplifier |
| D. | Switch |
| Answer» C. Amplifier | |
| 7. |
The output impedance of the follower is _____________ |
| A. | Low |
| B. | Very low |
| C. | Depends on it s transconductance and low |
| D. | High |
| Answer» D. High | |
| 8. |
The follower stage provides _____ input impedance. |
| A. | low |
| B. | equal |
| C. | very high |
| D. | very low |
| Answer» D. very low | |