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Digital SiGe-chips for data transmission up to 85 Gbit/s

Publication Date
  • Ing-Inf/01 Elettronica


Design and performance of a 2:1 multiplexer and 1:2 demultiplexer IC up to 85.4 Gbit/s are presented. The chips are fabricated in an advanced SiGe technology with a cutoff frequency ft of 200 GHz and a maximum oscillation frequency fmax of 275 GHz. With these two chips electrical data transmission at 80 and 85.4 Gbit/s could be achieved. In addition a pseudo random bit sequence (PRBS) generator IC is shown operating up to 80 Gbit/s and generating a 231-1 or a 27-1 pattern.

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