DC25_PAPER_Track12_ArbitraryWaveformGeneratorAssistedDigitalization _Yuan_V2.pdf

1、 Arbitrary Waveform Generator Assisted Digitalization of Physical Channels with Fractional Sampling Rate for SerDes High-Speed Evaluation Sijian Yuan,Ericsson AB Ning Ai,Tektronix AB Gabriel Lorentzson,Ericsson AB Nicke Svee,Ericsson AB Abstract SerDes is a fundamental component for modern telecommu

2、nications systems.Traditional BERT-channel methods in high-speed link analysis have made strides in understanding SerDes-channel performance limits.However,due to limitations like the physical channels feasibility,repeatability,and measurement errors,these methods often encounter challenges in BER p

3、rediction and may exhibit instability during verification such as interference tolerance test.To address these challenges,we have developed the AWG-SerDes RX verification system.By directly connecting the AWG to the SerDes RX and utilizing it to digitize the effects of SerDes TX and PCB channels,we

4、achieve a flexible and rapid BER design verification.Additionally,we have developed a fractional sampling algorithm that effectively extends the sampling rate frequency range of the AWG,enabling accurate injection of random/periodic jitter and noise.This innovative approach significantly enhances ou

5、r understanding of SerDes performance,accelerates the product design cycle,and ultimately contributes to the development of more robust and reliable SerDes/Link systems.Author(s)Biography Sijian Yuan,Signal integrity engineer at Ericsson AB,joined Ericsson in 2018,working with signal integrity analy

6、sis and SerDes evaluation.Sijian received his Ph.D.in microelectronic and solid state from Fudan University,Shanghai,China in 2018.His current areas of expertise and interest encompass SerDes modeling,evaluation,and timing analysis.Ning Ai,works as a field application engineer at Tektronix AB since