Explore topic-wise MCQs in Optical Communications.

This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Optical Communications 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 m
D. 0.5 to 3 m
Answer» C. 0.1 to 0.3 m
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 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
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