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Compensation of the dynamic error in burst-mode fibre optic receivers based on preamble filtering

Śliwczyński Ł.

Poznan University of Technology Academic Journals. Electrical Engineering

2007

No 54

189-196

In the paper the extension of the idea of the threshold generation circuitry based on preamble filtering, and dedicated for fibre-optic packet receivers, is presented. In such a circuit, during the phase of sweeping the time constant of the controlled filter some error arises. During further filter operation, this error diminishes, but the time necessary for this is quite long comparing to the bit period. This error is responsible for pulse width distortions of received bits and degrades bit error rate of the link. It is shown that this error may be compensated in the rceeiver what is proved by experimental data.