MCQOPTIONS
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MCQOPTIONS
This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your Optical Communication knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The optimum filter bandwidth is typically in the range ________________ |
| A. | 0.1 to 0.3 nm |
| B. | 0.5 to 3 nm |
| C. | 0.1 to 0.3 μm |
| D. | 0.5 to 3 μm |
| Answer» C. 0.1 to 0.3 μm | |
| 2. |
How many types of optical amplifier technologies are available. |
| A. | One |
| B. | Three |
| C. | Four |
| D. | Two |
| Answer» E. | |
| 3. |
The optical feedback technique is useful at low transmission rates. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
The removal of the feedback resistor in the optical feedback technique allows reciever sensitivity of the order of _______________ |
| A. | -54 dBm at 2Mbit/sec |
| B. | -12 dBm at 2Mbit/sec |
| C. | -64 dBm at 2Mbit/sec |
| D. | -72 dBm at 2Mbit/sec |
| Answer» D. -72 dBm at 2Mbit/sec | |
| 5. |
The __________ technique eliminates the thermal noise associated with the feedback resistor in the trans-impedance front end design. |
| A. | Compensation |
| B. | Resonating impedance |
| C. | Electromagnetic |
| D. | Optical feedback |
| Answer» E. | |
| 6. |
FET preamplifiers provide higher sensitivity than the Si-bipolar device. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
THE_REMOVAL_OF_THE_FEEDBACK_RESISTOR_IN_THE_OPTICAL_FEEDBACK_TECHNIQUE_ALLOWS_RECIEVER_SENSITIVITY_OF_THE_ORDER_OF________________?$ |
| A. | -54 dB<sub>m</sub> at 2Mbit/sec |
| B. | -12 dB<sub>m</sub> at 2Mbit/sec |
| C. | -64 dB<sub>m</sub> at 2Mbit/sec |
| D. | -72 dB<sub>m</sub> at 2Mbit/sec |
| Answer» D. -72 dB<sub>m</sub> at 2Mbit/sec | |
| 8. |
How many types of optical amplifier technologies are available.$ |
| A. | One |
| B. | Three |
| C. | Four |
| D. | Two |
| Answer» E. | |
| 9. |
The_optical_feedback_technique_is_useful_at_low_transmission_rates._State_whether_the_given_statement_is_true_or_false.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
The_optimum_filter_bandwidth_is_typically_in_the_range_________________ |
| A. | 0.1 to 0.3 nm |
| B. | 0.5 to 3 nm |
| C. | 0.1 to 0.3 μm |
| D. | 0.5 to 3 μm |
| Answer» C. 0.1 to 0.3 ‚âà√≠¬¨‚à´m | |
| 11. |
The __________ technique eliminates the thermal noise associated with the feedback resistor in the trans-impedance front end design? |
| A. | Compensation |
| B. | Resonating impedance |
| C. | Electromagnetic |
| D. | Optical feedback |
| Answer» E. | |
| 12. |
What is generally used to determine the receiver performance characteristics? |
| A. | Noise |
| B. | Resistor |
| C. | Dynamic range & sensitivity characteristics |
| D. | Impedance |
| Answer» D. Impedance | |
| 13. |
The sensitivity of the low-impedance configuration is ____________ |
| A. | Good |
| B. | Poor |
| C. | Great |
| D. | Same as that of high-impedance configuration |
| Answer» C. Great | |
| 14. |
___________ circuits extends the dynamic range of the receiver. |
| A. | Monolithic |
| B. | Trans-impedance |
| C. | Automatic Error Control (AEC) |
| D. | Automatic Gain Control (AGC) |
| Answer» E. | |
| 15. |
What type of receivers are used to provide wideband operation, low-noise operation? |
| A. | APD optical receivers |
| B. | Optoelectronic integrated circuits (OEICs) |
| C. | MESFET receivers |
| D. | Trans-impedance front-end receivers |
| Answer» C. MESFET receivers | |
| 16. |
What is the abbreviation of HBT? |
| A. | Homo-junction unipolar transistor |
| B. | Homo-junction bipolar transistor |
| C. | Hetero-junction bipolar transistor |
| D. | Hetero-Bandwidth transcendence |
| Answer» D. Hetero-Bandwidth transcendence | |
| 17. |
FET preamplifiers provide higher sensitivity than the Si-bipolar device. State whether the given statement is true or false. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 18. |
How many design considerations are considered while determining the receiver performance? |
| A. | Three |
| B. | Two |
| C. | One |
| D. | Four |
| Answer» B. Two | |