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DC25_SLIDES_Track13_TutorialCOMFieldGuideSerial_ Banas.pdf

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1、Information Classification:GeneralWelcome to ConferenceJanuary 2830,2025Santa Clara Convention Center1ExpoJanuary 2930,2025 Information Classification:GeneralTutorial COM:A Field Guide for Serial Communication Link DesignersDavid Banas,(Keysight)David Banas(Keysight)2Information Classification:Gener

2、alImageSPEAKERSDavid BanasSolutions Engineer-Expert,Keysight Technologies,Inc.David.BanasK|David Banas is a 30+-year veteran of the semiconductor industry currently employed by Keysight Technologies,Inc.,as a high-speed digital solutions engineer.David specializes in high-speed serial communication

3、link design and is an IBIS-AMI modeling expert.3Information Classification:GeneralCOM Tutorial OutlineYour roadmap to the next 2.5 hours.(You did your downloading/setup beforehand,right?)Period Topic Description1.Introduction to COM,its purpose,history,pros,cons,and status.2.Demonstration of and com

4、parison between COMs two most popular implementations.3.Review of the COM configuration spreadsheet.4.Understanding whats new to COM with IEEE 802.3dj.5.Hands-on practice using either MATLAB or Python.4Periods will last approximately 30 min.each.Information Classification:GeneralPeriod 1 Introductio

5、n to COM5Information Classification:GeneralWhat is COM?COM stands for:Channel Operating Margin.COM intends to validate your channel design without requiring a channel simulation.COM uses a“reference”Tx/Rx pair in place of the normal models youd use.It then performs its own“simulation”,which is of a

6、statistical nature.It uses the results of that simulation to give you a simple“pass/fail”determination for your channel design.You might care about COM because:o The industry is gradually shifting towards it.o It is standardized as part of the IEEE Ethernet specification.o It works without requiring

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1. **会议与教程**:2025年1月28-30日于圣克拉拉会议中心举办,David Banas(Keysight)主讲COM(Channel Operating Margin)串行通信链路设计教程。 2. **COM核心功能**:无需通道仿真即可验证设计,通过统计模拟给出“通过/失败”判定,标准化于IEEE以太网规范。 3. **工具对比**: - MATLAB(默认/标准实现,支持802.3dj D1.3)。 - PyChOpMarg(开源Python替代工具,需Jupyter notebook)。 4. **新进展**:IEEE 802.3dj引入Rx FFE(14+抽头),优化方法从PRZF(最小二乘)转向MMSE(最小均方误差),后者更优但可能引发极端滤波器增益。 5. **实践资源**:提供MATLAB/Python代码下载、通道数据及配置表示例(如COM通过阈值3 dB)。
**COM是什么?** **如何配置COM?** **COM有何新进展?**
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