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Design of an Inverter-Base, Active-Feedback, Low-Power Transimpedance Amplifier Operating at 10 Gbps

    https://doi.org/10.1142/S0218126621501103Cited by:3 (Source: Crossref)

    In this paper, a low-power structure as an inverter-base circuit is reported for broadband applications. The focus in this study is in obtaining a low-power structure. By applying cascoded structure to an inverter as a feedforward network in the structure, the DC current and hence the power dissipation are decreased. Also, by adding a two-stage active feedback, which yields no miller capacitance, to the cascoded inverter, the structure of the TIA is completed. Simulation results in HSPICE using 90nm CMOS technology parameters show 41dBΩΩ transimpedance gain, 6.5GHz frequency bandwidth and 2.7μμArms input referred noise, which consumes only 1.67mw power at 1V supply. Results and analysis indicate that the proposed TIA is suitable to work as a low-power 10 Gbps transimpedance amplifier in an optical receiver.

    This paper was recommended by Regional Editor Piero Malcovati.