MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
Voltage to frequency conversion factor for VCO is$ |
| A. | K<sub>v</sub> = ‚ñ≥V<sub>c</sub>/ ‚ñ≥f<sub>o</sub> |
| B. | K<sub>v</sub> = ‚ñ≥f<sub>o</sub>/‚ñ≥V<sub>c</sub> |
| C. | K<sub>v</sub> = ‚ñ≥f<sub>o</sub> √ó ‚ñ≥V<sub>c</sub> |
| D. | K<sub>v</sub> = 1/(‚ñ≥f<sub>o</sub>√ó‚ñ≥V<sub>c</sub>) |
| Answer» C. K<sub>v</sub> = ‚Äö√Ñ√∂‚àö¬±‚Äö√¢‚Ä¢f<sub>o</sub> ‚Äö√†√∂‚àö‚â• ‚Äö√Ñ√∂‚àö¬±‚Äö√¢‚Ä¢V<sub>c</sub> | |
| 2. |
Choose_the_VCO_for_attaining_higher_output_frequency.$ |
| A. | NE566 |
| B. | SE566 |
| C. | MC4024 |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 3. |
Find the equation for change in frequency of VCO? |
| A. | ‚ñ≥f<sub>o</sub> = (2√ó‚ñ≥V<sub>c</sub>)/(R<sub>T</sub>√óC<sub>T</sub>√óV<sub>cc</sub>) |
| B. | ‚ñ≥f<sub>o</sub> = ‚ñ≥V<sub>c</sub>/(4√óR<sub>T</sub>√óC<sub>T</sub>√óV<sub>cc</sub>) |
| C. | ‚ñ≥f<sub>o</sub> = ‚ñ≥V<sub>c</sub>/(2√óR<sub>T</sub>√óC<sub>T</sub>√óV<sub>cc</sub>) |
| D. | ‚ñ≥f<sub>o</sub> = (4√ó‚ñ≥V<sub>c</sub>)/(R<sub>T</sub>√óC<sub>T</sub>√óV<sub>cc</sub>) |
| Answer» B. ‚Äö√Ñ√∂‚àö¬±‚Äö√¢‚Ä¢f<sub>o</sub> = ‚Äö√Ñ√∂‚àö¬±‚Äö√¢‚Ä¢V<sub>c</sub>/(4‚Äö√†√∂‚àö‚â•R<sub>T</sub>‚Äö√†√∂‚àö‚â•C<sub>T</sub>‚Äö√†√∂‚àö‚â•V<sub>cc</sub>) | |
| 4. |
Calculate_the_voltage_to_frequency_conversion_factor,_where_fo=155Hz_and_Vcc=10V. |
| A. | 130 |
| B. | 124 |
| C. | 134 |
| D. | 116 |
| Answer» C. 134 | |
| 5. |
What is the advantage of using filter? |
| A. | High noise immunity |
| B. | Reduce the bandwidth of PLL |
| C. | Provides dynamic range of frequencies |
| D. | None of the mentioned |
| Answer» B. Reduce the bandwidth of PLL | |
| 6. |
Calculate the value of external timing capacitor, if no modulating input signal is applied to VCO. Consider fo=25 kHz and RT=5 kΩ.$ |
| A. | 6nF |
| B. | 100µF |
| C. | 2nF |
| D. | 10nF |
| Answer» D. 10nF | |
| 7. |
The output frequency of the VCO can be changed by changing |
| A. | External tuning resistor |
| B. | External tuning capacitor |
| C. | Modulating input voltage |
| D. | All of the mentioned |
| Answer» E. | |
| 8. |
Determine the value of current flow in VCO, when the NE566 VCO external timing resistor RT =250Ω and the modulating input voltage Vc=3.25V.(Assume Vcc=+5v).$ |
| A. | 3mA |
| B. | 12mA |
| C. | 7mA |
| D. | 10mA |
| Answer» D. 10mA | |
| 9. |
Write the equation for time period of VCO? |
| A. | (2√óV<sub>cc</sub>√óC<sub>T</sub>)/i |
| B. | (V<sub>cc</sub> C<sub>T</sub>)/(2√ói) |
| C. | (V<sub>cc</sub>√óC<sub>T</sub>√ói)/2 |
| D. | (2√óV<sub>cc</sub>)/(i√óC<sub>T</sub>) |
| Answer» C. (V<sub>cc</sub>‚Äö√†√∂‚àö‚â•C<sub>T</sub>‚Äö√†√∂‚àö‚â•i)/2 | |
| 10. |
Which device is used for diagnostic purposes and for recording? |
| A. | Low pass filter |
| B. | Monolithic PLL |
| C. | Voltage Controlled Oscillator |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |