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This paper reported the design and implementation of a bit rate adaptive Optical Electronic Optical (O/E/O) transponder accomplishing almost full data rate transparency up to 2.5 Gb/s with 3R (Reamplifying, Reshaping and Retiming) processing in electronic domain. Based on the chipsets performing clock recovery in several continuous bit rate ranges, a clock and data regenerating circuit self adaptive to the bit rate of input signal was developed. Key design issues were presented, laying stress on the functional building blocks and scheme for the bit rate adaptive retiming circuit. The experimental results show a good scalability performance.
This paper reported the design and implementation of a bit rate adaptive Optical Electronic Optical (O / E / O) transponder accomplishing almost full data rate transparency up to 2.5 Gb / s with 3R (Reamplifying, Reshaping and Retiming) processing in electronic domain. on the chipset performing clock recovery in several continuous bit rate ranges, a clock and data regenerating circuit self adaptive to the bit rate of input signal was developed. Key design issues were presented, laying stress on the functional building blocks and scheme for the bit rate adaptive retiming circuit. The experimental results show a good scalability performance.