10-Gbit/s optical receiver using ICs with low-capacitance HBT technology |
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| Authors: | K Ishikawa H Nakano H Masuda C Kusano Y Takahashi T Hamagishi N Endo |
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| Institution: |
a Central Research Laboratory Hitachi Ltd., Tokyo, Japan
b Hitachi Communication Systems Totsuka-ku, Kanagawa, Japan
c Hitachi VLSI Engineering, Tokyo, Japan |
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| Abstract: | A 10-Gbit/s optical receiver is developed using low-capacitance HBT IC technology. The HBT allows a cutoff frequency of 45 GHz and a maximum oscillation frequency of 70 GHz. The receiver contains an automatic gain-control amplifier IC with a gain of 16 dB, a bandwidth of 10.7 GHz, and a decision-circuit IC with an ambiguity of 66 mVp-p at a data rate of 10 Gbit/s. The sensitivity of this receiver is -26.5 dBm at a bit error rate of 10-9. Transmission over a 140-km fiber was achieved successfully. |
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