S. Nishihara, M. Nakamura, T. Ito, T. Kurosaki, Y. Ohtomo, A. Okada
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引用次数: 5
Abstract
This paper describes a 10G burst-mode transimpedance amplifier (TIA) featuring fast gain switching and accurate automatic offset compensation (AOC) with a feed-forward configuration. We successfully improved the AOC accuracy by expanding the linear operation region of the control circuit, which resulted in suppressed waveform distortion. We built an optical receiver using the developed TIA IC, which we fabricated with a 0.25-μm SiGe BiCMOS process. The main receiver specifications for burst-mode inputs at 10.3 Gbit/s include a sensitivity of −28.7 dBm, a dynamic range of over 23.7 dB and a response time of 230 ns.
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