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32 GS/s Soft Decision LSI in 0.13 µm SiGe BiCMOS for Forward Error Correction in Optical Communications

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5 Author(s)
Kobayashi, T. ; Inf. Technol. R&D Center, Mitsubishi Electr. Corp., Kamakura, Japan ; Kametani, S. ; Tagami, H. ; Koguchi, K.
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We have developed a 2-bit 32 GS/s soft decision LSI in 0.13 μm SiGe-BiCMOS. The LSI includes a flash type Analogue-to-Digital converter and an encoder which outputs the soft decision results, which are a hard decision bit and a confidence bit for strong Forward Error Correction. We have confirmed that the LSI has 25 mVpp sensitivity and the LSI enables 2 dB better FEC coding gain than hard decision.

Published in:

Compound Semiconductor Integrated Circuit Symposium (CSICS), 2010 IEEE

Date of Conference:

3-6 Oct. 2010