Shinya Tanimura, A. Tsuchiya, Toshiyuki Inoue, K. Kishine
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Abstract
This paper presents a supply noise reduction in transimpedance amplifier (TIA) for optical interconnection. TIAs integrated in parallel suffer from inter-channel interference via the supply and the ground lines. We employ an RC filter to reduce the supply noise. The filter is inserted to the first stage of TIA and does not need extra power. The proposed circuit was fabricated in an 180-nm CMOS. The measurement results verify 38% noise reduction at 5 Gbps operation.
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