0.35 μm cmos optical sensor for an integrated transimpedance circuit

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Abstract

This paper presents an integrated optical receiver which consists of an integrated photodetector, and a transimpedance circuit. A series inductive peaking is used for enhancing the bandwidth. The proposed structure operates at a data rate of 10 Gb/s with a BER of 10-20 and was implemented in a 0.35 μm CMOS process. The integrated photodiode has a capacitance of 0.01 pF which permits to the structure to achieve a wide bandwidth (5.75 GHz) with only one inductor before the last stage; hence a smaller silicon area is maintained. The proposed TIA has a gain of 36.56 dBΩ (67.57 KΩ), and an input courant noise level of about 25.8 pA/Hz0.5. It consumes a DC power of 87.4 mW from 3.3 V supply voltage.

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Escid, H., Attari, M., Ait aidir, M., & Mechti, W. (2011). 0.35 μm cmos optical sensor for an integrated transimpedance circuit. International Journal on Smart Sensing and Intelligent Systems, 4(3), 467–481. https://doi.org/10.21307/ijssis-2017-451

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