A 50.6-Gb/s 7.8-mW/Gb/s -7.4-dBm sensitivity optical receiver based on 0.18-µm SiGe BiCMOS technology.
Symposium on VLSI Circuits-Digest of Papers(2016)
摘要
A 50.6-Gb/s optical receiver (RX) based on the 0.18-mu m SiGe BiCMOS technology was fabricated and evaluated. To improve phase margin and sensitivity of the RX without degrading its power efficiency, it was configured with a two-stage pre-amplifier (preamp) with high gain (56 dB Omega) and power-supply-variation (PSV) canceller for improving sensitivity. The RX achieves sensitivity of -7.4 dBm and phase margin of 0.51 UI at 50.6 Gb/s, while its power consumption is 7.8 mW/Gb/s.
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关键词
optical receiver,BiCMOS,two-stage pre-amplifier,preamp,power-supply-variation canceller,power consumption,bit rate 50.6 Gbit/s,size 0.18 mum,power 7.8 mW,SiGe
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