MCQOPTIONS
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MCQOPTIONS
This section includes 11 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. |
DIODE_IN_SMALL_SIGNAL_POSITIVE_HALFWAVE_RECTIFIER_CIRCUIT_ACTS_AS?$ |
| A. | Ideal diode |
| B. | Clipper diode |
| C. | Clamper diode |
| D. | Rectifier diode |
| Answer» B. Clipper diode | |
| 2. |
Why a voltage follower stage is connected at the output of the negative small signal half wave rectifier?$ |
| A. | Due to Non-uniform input resistance |
| B. | Due to Non-uniform output resistance |
| C. | Due to Uniform output voltage |
| D. | None of the mentioned |
| Answer» C. Due to Uniform output voltage | |
| 3. |
How_to_minimize_the_response_time_and_increase_the_operating_frequency_range_of_the_op-amp?$ |
| A. | Positive halfwave rectifier with two diodes |
| B. | Positive halfwave rectifier with one diode |
| C. | Negative halfwave rectifier with two diodes |
| D. | Negative halfwave rectifier with one diode |
| Answer» D. Negative halfwave rectifier with one diode | |
| 4. |
At what values of Ci and Rd a precision clamping can obtained in peak clamper when the time period of the input waveform is 0.4s? |
| A. | C<sub>i</sub>=0.1µF and R<sub>d</sub>=10kΩ |
| B. | C<sub>i</sub>=0.47µF and R<sub>d</sub>=10kΩ |
| C. | C<sub>i</sub>=33µF and R<sub>d</sub>=10kΩ |
| D. | C<sub>i</sub>=2.5µF and R<sub>d</sub>=10kΩ |
| Answer» B. C<sub>i</sub>=0.47¬¨¬®¬¨¬µF and R<sub>d</sub>=10k‚âà√≠¬¨¬© | |
| 5. |
An op-amp clamper circuit is also referred as |
| A. | DC cutter |
| B. | DC inserter |
| C. | DC lifter |
| D. | DC leveller |
| Answer» C. DC lifter | |
| 6. |
A_circuit_with_a_predetermined_dc_level_is_added_to_the_output_voltage_of_the_op-amp_is_called |
| A. | Clamper |
| B. | Positive clipper |
| C. | Halfwave rectifier |
| D. | None of the mentioned |
| Answer» B. Positive clipper | |
| 7. |
A positive small signal halfwave rectifier can |
| A. | Rectify signals with peak value only |
| B. | Rectify signals with value of few millivolts only |
| C. | Rectify signals with both peak value and down to few millivolts |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 8. |
What happens if the input voltage is higher than reference voltage in a positive clipper? |
| A. | Output voltage = Reference voltage |
| B. | Output voltage = DC Positive voltage |
| C. | Output voltage = Input voltage |
| D. | All of the mentioned |
| Answer» B. Output voltage = DC Positive voltage | |
| 9. |
In a positive clipper, the diode conducts when |
| A. | V<sub>in</sub> < V<sub>ref</sub> |
| B. | V<sub>in</sub> = V<sub>ref</sub> |
| C. | V<sub>in</sub> > V<sub>ref</sub> |
| D. | None of the mentioned |
| Answer» C. V<sub>in</sub> > V<sub>ref</sub> | |
| 10. |
The clipping level in op-amp is determined by |
| A. | AC supply voltage |
| B. | Control voltage |
| C. | Reference voltage |
| D. | Input voltage |
| Answer» D. Input voltage | |
| 11. |
Which circuit is used for obtaining desired output waveform in operational amplifier? |
| A. | Clipper |
| B. | Clamper |
| C. | Peak amplifier |
| D. | Sample and hold |
| Answer» B. Clamper | |