MCQOPTIONS
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MCQOPTIONS
This section includes 6 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 basic op-amp circuit has a zener and rectifier diode connected in the feedback path. Calculate the maximum positive voltage. Where, zener voltage = 5.1 v and voltage drop across the forward biased zener = 0.7v? |
| A. | V<sub>O</sub> = 5.8v |
| B. | V<sub>O</sub> = 9.9v |
| C. | V<sub>O</sub> = 4.7v |
| D. | V<sub>O</sub> = 7.1v |
| Answer» E. | |
| 2. |
How to limit the output voltage swing only to positive direction? |
| A. | Combination of two zener diodes |
| B. | Combination of zener and rectifier diode |
| C. | All of the mentioned |
| D. | Combination of two rectifier diodes |
| Answer» C. All of the mentioned | |
| 3. |
In which configuration a dead band condition occurs in schmitt trigger |
| A. | Differential amplifier with positive feedback |
| B. | Voltage follower with positive feedback |
| C. | Comparator with positive feedback |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 4. |
To a schmitt trigger in non-inverting configuration an input triangular wave of 1Vp is applied. What will be the output waveform, if the upper and lower threshold voltages are 0.25v? |
| A. | Square waveform |
| B. | Pulse waveform |
| C. | Sawtooth waveform |
| D. | Cannot be determined |
| Answer» B. Pulse waveform | |
| 5. |
What happens if the threshold voltages are made longer than the noise voltages in schmitt trigger? |
| A. | All the mentioned |
| B. | Enhance the output signal |
| C. | Reduce the transition effect |
| D. | Eliminate false output transition |
| Answer» E. | |
| 6. |
Which circuit converts irregularly shaped waveform to regular shaped waveforms? |
| A. | Schmitt trigger |
| B. | Voltage limiter |
| C. | Comparator |
| D. | None of the mentioned |
| Answer» B. Voltage limiter | |