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A single-channel 50 Gbps transimpedance amplifier (TIA) in 130nm SiGe BiCMOS process is presented. The proposed TIA is comprised of a gm-boosted dual-feedback common-base, an RC-degenerated common-emitter and an inductively degenerated emitter-follower. Accounting for 100 fF photodiode's input capacitance, the TIA achieves a measured transimpedance gain of 41 dBÍÍ and a measured RMS input-referred...
This paper studies the jitter performance at the input of the transimpedance amplifier (TIA) in a communication system based on multimode optical fibers. A method is shown to analyze and effectively reduce data-dependent jitter by proper choice of the TIA input resistance and the use of multiple feedback techniques. A 40-Gbit/s TIA in 0.25-μm BiCMOS with fT of up to 180 GHz is presented to demonstrate...
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