62 of 78 LAMINI. 4.4 Draw a block diagram of a digital optical receiver showing its...

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62 of 78 LAMINI. 4.4 Draw a block diagram of a digital optical receiver showing its various compo- nents. Explain the function of each component. How is the signal used by the decision circuit related to the incident optical power? Solution: Optical signal Photodiode Voltage supply Front end Preamplifier Amplifier Automatic gain control Linear channel Filter Decision circuit Clock recovery Data recovery Data Figure 4.11: Diagram of a digital optical receiver showing various components. Vertical dashed lines group receiver components into three sections. 62 of 78 LAMINI. 4.4 Draw a block diagram of a digital optical receiver showing its various compo- nents. Explain the function of each component. How is the signal used by the decision circuit related to the incident optical power? Solution: Optical signal Photodiode Voltage supply Front end Preamplifier Amplifier Automatic gain control Linear channel Filter Decision circuit Clock recovery Data recovery Data Figure 4.11: Diagram of a digital optical receiver showing various components. Vertical dashed lines group receiver components into three sections.

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An optical receiver consists of a photodetector and electronics for amplifying and processing the signal In the process of converting the optical sign... View the full answer