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Fiber Optic Circuitry Introduction

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Questions and Answers

Why are optical fiber links replacing co-axial trunks between telephone exchanges?

To reduce the number of repeaters required

Because of low maintenance cost

Due to low attenuation and high transmission bandwidth (correct)

Because of ease of installation

What is the advantage of using optical waveguide in urban broadband service networks?

It requires more repeaters

It is more costly than co-axial cable

It provides a higher transmission bandwidth (correct)

It provides a lower transmission bandwidth

What is the function of Q1 in the fiber optic transmitter circuit?

To amplify the signal

To convert the electrical signal to an optical signal

To receive the sound signal

To bias a transistor (correct)

What is the function of MIC1 in the fiber optic transmitter circuit?

To receive the sound signal (D) Signup and view all the answers

Why is Q2 used in the fiber optic transmitter circuit?

To amplify the signal further (D) Signup and view all the answers

What is the advantage of using NE555 in the fiber optic transmitter circuit?

It is low-cost and has a fairly good performance efficiency (A) Signup and view all the answers

What is the purpose of C1 in the fiber optic transmitter circuit?

To pass a fluctuating signal to bias a transistor (D) Signup and view all the answers

What is the function of the transmitter circuit in fiber optic transmission?

To transmit the signal (D) Signup and view all the answers

What is the advantage of using optical fiber links over co-axial trunks?

Higher transmission bandwidth and lower attenuation (A) Signup and view all the answers

What is the purpose of using repeaters in fiber optic transmission?

To amplify the signal (D) Signup and view all the answers

Fiber Optic Circuitry Introduction

Choose a study mode

Podcast

Questions and Answers

Why are optical fiber links replacing co-axial trunks between telephone exchanges?

What is the advantage of using optical waveguide in urban broadband service networks?

What is the function of Q1 in the fiber optic transmitter circuit?

What is the function of MIC1 in the fiber optic transmitter circuit?

Why is Q2 used in the fiber optic transmitter circuit?

What is the advantage of using NE555 in the fiber optic transmitter circuit?

What is the purpose of C1 in the fiber optic transmitter circuit?

What is the function of the transmitter circuit in fiber optic transmission?

What is the advantage of using optical fiber links over co-axial trunks?

What is the purpose of using repeaters in fiber optic transmission?

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