Transmission Characteristics of Optical Fiber » Exercise - 1 8. Which of the cable length has the highest attenuation ? (a) 1 km (b) 2 km (c) 95 ft (d) 5500 ft
Transmission Characteristics of Optical Fiber » Exercise - 1 6. ………. dispersion is caused by the difference in the propagation times of light rays that take different paths down a fiber. & (a) material dispersion (b) wavelength dispersion (c) modal dispersion (d) delay dispersion
Transmission Characteristics of Optical Fiber » Exercise - 14. Which of the following is used as an optical transmitter on the Fiber Optical Communications ? (a) APD (b) LSA diode (c) PIN diode (d) LED
Transmission Characteristics of Optical Fiber » Exercise - 1 9. Which of the following is used as an optical receiver in fiber optics communications ? (a) APD (b) Tunnel diode (c) Laser diode (d) LED
Transmission Characteristics of Optical Fiber » Exercise - 1 10. Cable attenuation is usually expressed in terms of : (a) loss/foot (b) dB/km (c) intensity/mile (d) voltage drop/inch