Q. How many structures of pre-amplifiers exist?

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Q. What is the main factor contributing to the choice of the operational amplifier?

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Q. The multiplication factor for the APD varies with the device temperature.

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Q. How many categories of dynamic gain equalizers are available?

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Q. How many simultaneous channels can be provided in a band DGE(Dynamic gain equalizer)?

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Q. __________ is the unique property of the glass fiber.

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Q. __________ limits the maximum distance between the optical fiber transmitter and receiver.

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Q. The ___________ incorporates a line receiver in order to convert the optical signal into the electrical regime.

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Q. A regenerative repeater is called as ____________

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Q. The wavelength range of __________ will be fruitful for the operating wavelength of the system referring to the system performance.

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Q. How many encoding schemes are used in optical fiber communication system design requirements?

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Q. In ________ the optical channel bandwidth is divided into non-overlapping frequency bands.

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Q. A multiplexing technique which does not involve the application of several message signals onto a single fiber is called as _________

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Q. Which of the following is not an optical fiber component?

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Q. ________technique involves an increase in the number of components required.

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Q. Time division multiplexing is inverse to that of frequency division multiplexing.

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Q. Sampling rate for each speech channel on 32-channel PCM is 8 KHz each encoded into 8 bits. Determine number of bits in a frame.

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Q. Sampling rate for each speech channel on 32-channel PCM is 8 KHz each encoded into 8 bits. Determine the transmission rate for system with 256 bits in a frame.

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Q. Sampling rate for each speech channel on 32-channel PCM is 8 KHz each encoded into 8 bits. Determine the bit duration with transmission rate of 2.048 Mbits/s.

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Q. The bit duration is 488 ns. Sampling rate for each channel on 32-channel PCM is 8 KHz encoded into 8 bits. Determine the time slot duration.

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