The Optical Receiver Circuit

Optical Communications

This set of Optical Communications Multiple Choice Questions & Answers (MCQs) focuses on “The Optical Receiver Circuit”.

1. ____________ limits receiver sensitivity.
a) Noise
b) Depletion layer
c) Avalanche
d) Current

2. A ____________ performs the linear conversion of the received optical signal into an electric current.
a) Receiver
b) Converter
c) Detector
d) Reflector

3. __________ are provided to reduce distortion and to provide a suitable signal shape for the filter.
a) Detector
b) Equalizer
c) Filters
d) Amplifier

4. A _________ maximizes the received signal-to-noise ratio in the receiver circuitry.
a) Filter
b) Equalizer
c) Detector
d) Reflector

5. ________ can be operated in three connections.
a) Reflectors
b) Diodes
c) LED’s
d) FET’s

6. How many structures of pre-amplifiers exist?
a) Two
b) Three
c) Four
d) One

7. What is the main factor contributing to the choice of the operational amplifier?
a) Gain
b) Impedance
c) Conductance
d) Gain-Bandwidth product

8. The multiplication factor for the APD varies with the device temperature.
a) True
b) False

9. How many categories of dynamic gain equalizers are available?
a) One
b) Two
c) Three
d) Four

10. How many simultaneous channels can be provided in a band DGE(Dynamic gain equalizer)?
a) Six
b) Two
c) Eight
d) Ten

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