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In this paper a new shunt-shunt feedback transimpedance amplifier (TIA), followed by a 4 stages limiting amplifier (LA), proves to be suitable as receiver front-end for a 2.5 Gb/s communications over fiber optic is presented. This work is realized in 90nm CMOS technology. Presented TIA is consisted of three cascaded stages of common source amplifiers which utilizes inductive peaking and capacitive...