Receiver Fundamentals
The chapter then introduces the concept of noise bandwidth and applies it to calculate the total input-referred noise. It defines the required optical signal-to-noise ratio (OSNR), which is
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Optical Receivers
-A The TIA is the most widely used optical receiver preamplifier because of its wide dynamic range. The value of the feedback resistor influences the the bandwidth,
978-3-540-11348-5_Book_PrintPDF.pdf
The common emitter configuration for the input amplifier is shown in Fig. 4.23, where the resistor RL represents the parallel combination of resistors used to bias the base of the transistor as well as the
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The value of the bias resistor, in conjunction with the amplifier input capacitance C, is such that the preamplifier bandwidth is equal to or greater than the signal bandwidth.
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transimpedance ampli-fiers (TIAs) serve in the front end of optical communication receivers (RXs). Despite or because of their simple topologies, TIAs pose rigid tradeoffs among their gain, noise, and