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1 Determine the maximum bit rate for RZ and NRZ encoding for the following pulse spreading constants and cable lengths 2 Determine the lowest light frequency that can be detected by a

1. Determine the maximum bit rate for RZ and NRZ encoding for the following pulse-spreading constants and cable lengths:

 

2. Determine the lowest light frequency that can be detected by a photodiode with an energy gap 1.25 eV.

3. Determine the optical power received in dBm and watts for a 24-km optical fiber link with the following parameters:

LED output power of 20 mW

Six 4-km sections of optical cable each with a loss of 0.6 dB/km

Three cable-to-cable connectors with a loss of 2.1 dB each

No cable splices

Light source-to-fiber interface loss of 2.2 dB

Fiber-to-light detector loss of 1.8 dB

No losses due to cable bends

Jul 28 2020 View more View Less

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