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A low-power 20-GHz 52-dBΩ transimpedance amplifier in 80-nm CMOS

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7 Author(s)
Kromer, C. ; Electron. Lab., Swiss Fed. Inst. of Technol., Zurich, Switzerland ; Sialm, G. ; Morf, T. ; Schmatz, M.L.
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This paper describes the design of a transimpedance amplifier (TIA) for a low-power, short-distance, high-density fiber-optic interconnect communication system. The single-ended circuit has been designed in an 80-nm digital CMOS process and consumes only 2.2 mW from a 1-V supply. The measured results show a transimpedance gain of 52 dBΩ and a large bandwidth of 20 GHz. This work presents the highest bandwidth at the lowest power consumption for CMOS transimpedance amplifiers reported to date.

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Solid-State Circuits, IEEE Journal of  (Volume:39 ,  Issue: 6 )