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DC25_SLIDES_Track02_EffectiveContinuousTimeLinearEqualizer_LIU.pdf

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1、Information Classification:GeneralWelcome to ConferenceJanuary 2830,2025Santa Clara Convention Center1ExpoJanuary 2930,2025Information Classification:GeneralEffective Continuous Time Linear Equalizer Modeling using Dual-Transfer FunctionsPeter Krotnev(Huawei Canada)Siqi Liu(Huawei Technologies),Tian

2、yu Liang(Huawei Technologies),Xusheng Liu(Huawei Technologies),Honggang Tang(Huawei Technologies),Wenquan Yang(Huawei Technologies)2Information Classification:GeneralImageSPEAKERS3Peter KrotnevSenior Principle Engineer,Huawei CanadaPA Sr.Principal Engineer at Huawei Technologies,signal integrity exp

3、ert and a member of the High Speed I/O System Development Team.Peter is responsible for SerDes architecture improvements,electrical specifications,test planning,measurements,as well as leading the development of the SerDes tuning and optimization strategies for power and performance.Information Clas

4、sification:General1.Challenges in High-Speed I/O Interface Modeling2.CTLE Modeling in Statistical Domain3.Dual-Transfer Function Modeling Method4.Experimental Results5.SummaryTopics4Information Classification:General1.Challenges in High-Speed I/O Interface Modeling2.CTLE Modeling in Statistical Doma

5、in3.Dual-Transfer Function Modeling Method4.Experimental Results5.SummaryTopics5Information Classification:GeneralSI Performance Degradation with I/O Data rate Growing6Standard MemoryExample:Memory and Buffer Interface Demands Growing Expectation.IL&RL degradation with I/O speed.The data rate increa

6、se of I/O interface brings challenges to SI design.Information Classification:GeneralSI Electrical Model of High-Speed I/O 7SoC PHY PLL/CLK Common Path/CLK Local Path/P2S Jitter IO TX Pre-Driver/Post Driver Jitter&Noise IO RX CIO/CTLE/DFE VDDQ&VDD Power Supply NoiseChannel T-Coil SoC Package Mother

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1. **研究背景**:高速I/O接口数据率提升(如DDR5 5600Mbps)导致信号完整性(SI)性能下降,CTLE建模面临非线性挑战。 2. **STF模型局限**:单传递函数模型高估ISI(眼高误差90.2mV)和ICI(误差31mV),无法覆盖不同共模电压下的非线性放大效应。 3. **DTF方法创新**:结合参考电压(Vref)与高/低电压的双传递函数,通过权重参数(关联上升/下降时间)平衡CTLE能力与过放大问题。 4. **实验结果**:DTF模型显著提升精度(眼高误差降至3.6mV,眼宽误差7.5ps),测试与仿真偏差<10mV/10ps,适用于多CTLE设置场景。
**CTLE建模挑战?** **DTF方法优势?** **实验结果如何?**
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