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Conference Paper
40GHz Clock Generation using Clock Component Enhancement Modulation and Band Pass Filtering
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- Authors
- WangJoo Lee, Hyunwoo Cho, Sang Kyu Lim, Ki Ho Han, Je Soo Ko
- Issue Date
- 2004-02
- Citation
- International Conference on Advanced Communication Technplogy (ICACT) 2004, pp.291-293
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- The applicability of clock and data superposed modulation for clock component enhancement in 40Gb/s NRZ signal was experimentally demonstrated. From this signal 40GHz clock was easily extracted by band-pass filtering. The result showed 0.5dB power penalty improvement with respect to a conventional clock extraction method of using non-linear circuits. It is also pointed out that relative amplitude and phase of the two superposed modulation signals are very important for good BER characteristics.
- KSP Keywords
- BER characteristics, Clock component enhancement, Clock extraction, Clock generation, Extraction method, Nonlinear circuit, bandpass filtering, power penalty