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This site is the longest-standing (over ten years), covering the widest range (SI/PI/EMC/touch/ power electronics/thermal-electrical coupling), and deeply connected to industries (IC design/system/packaging/testing) ... personal professional website.
Not only to share simulation knowhow but relevant engineering domain knowledge as well. You can choose the content of your interest from the top menu's categories, and there's an on-site search in the upper right corner.
Update Q3D Terminal Type：Constant Voltage vs. Uniform Current
2024.04.16 
Update 2.4 For correct results when using both 'Uniform Current' and 'Pin group' simultaneously in Q3D, versions after 24R1 are required. ... more
Update PAM4 and MIPI
2024.03.30
Add MLT-3 and PAM-16 waveform, and update 24R1 MIPI source waveform (with examples) ... more
Update Designer Lesson 03
2023.11.31
This article, starting in 2011 ... was updated in 2023 (with examples). Analyze the causes of high-speed signal oscillation in T-line (contributed by both reflection and cross-talk) and observe the effects of adding series termination resistors ... more
Update Designer Lesson 01
2023.10.05
This article, starting in 2008 ... was updated in 2023 (with examples). It demonstrates to simulate the DDR T-type design of 1000+1500 mils length by the existing T-line models in Designer before layout is available. ... more
Update SIwave Lesson 03
2023.09.07
This article, which started in 2009 and was updated in 2011, 2013, and 2023 (with examples), introduces how to import a PCB into SIwave and configure the stackup/materials. ... It simulates the USB2.0 (480Mbps) with Quick-Eye Analysis. ... more
Update SIwave Home Page and Lesson 01
2023.08.30
Over time, SIwave has evolved. It now includes CPA and PSI solvers alongside the original SYZ and DC solvers. This expansion extends its application from PCB to packag analysis (RLCG extraction). ... more
Advanced Study for Q3D Capacitance：A distant conductor still contributes mutual capacitance, is it correct?
2023.07.27 
This article begins in 2023 (with an example), using 2023R2 to study (explain) why the conductor at infinity still contributes mutual capacitance to the local objects? ... more