Online video
Articles of the Year
HFSS update to the last version with correct setting, speed-up 2.5~20x times
HFSS 3D Layout end-to-end solution (Package+PCB+Connector)
2023
This article started in 2023 (with examples), using HFSS 3D Layout to demonstrate four kinds of end-to-end simulation methods from the package through the PCB to the connector, compare the simulation differences and ... more
What should you know before going into SI/PI...
2022
Some people think that the industry does not pay much attention to SI/PI simulation, but others think that SI/PI simulation is very important. In fact, both views are correct. The point is ... more
SIwave-Icepak Electrothermal Analyses (including MTTF)
2021
This article started in 2021 (with examples), to introduce how to do SIwave-Icepak two-way coupling by SIwave. ... more
Q3D Online Basic/Advanced Course
2020
Many users who learn HFSS first and then Q3D think that Q3D is simple, but may have had some misconceptions for many years. In order to make everyone to use ANSYS Q3D more correctly, I started planning a complete training vedio from basic to advanced in early 2020. Hope this is helpful to you. Basic, Advanced
Power Integrity optimized design with defined target impedance
2019
This article started in 2019 (with examples), and it is intended to discuss PI optimized design flow with different definations of target impedance. .... more
IC EMC
2018
The article started in 2018, and demonstrated IC EMC simulation with SIwave and HFSS (with examples). It intended to introduce the IC EMC measurement and test defined by IEC, how to do IC EMC simulation (CPM+IBIS), and in case you can't get CPM model from IC vender ... more
DDR4 and Compliance Test
2017
The article started in 2017.07. It is intended to introduce DDR4 design and simulation challenges. It demonstrates DDR4 transient EYE, SSN, on-die de-cap effect，DBI power consumption analysis and compliance test with R18.2 SIwave (with examples). ... more
EMI Analysis using Push Excitation
2016
This article started in 2009, and was revised in 2012, 2014, 2016, 2018 (with examples). Even this case has been a SIwave training workshop for a long time, in this article, it is intended to introduce more important points about EMI simulation with this example. ... more
Surface Roughness Effect
2015
This article started in 2014 and was revised in the middle of 2015 and 2020 (with examples). It is intended to introduce the surface roughness effect and different roughness models with ANSYS R16 SIwave and HFSS. "Surface roughness" is a very hot topic recently, and there are six papers to talk about this on DesignCon 2014 and DesignCon 2015. ... more
EYE Analysis including IBIS-AMI
2014
This article started in 2011, and it was revised on 2014, 2016 and 2022 (with examples). It is intended to introduce different eye analysis methods, IBIS over clocking issue, and how does FFE work with 2020R2.. ... more
ESD Gun and ESD System Simulation
2013
This article started in 2011 and was revised in 2013 and 2019 (with examples). It introduces three methods to implement ESD Gun model using Designer circuit level and HFSS field level, and demonstrates the indirect discharge according to IEC61000-4-2 regulation. It should be the first time you see such subject showed with some discussions in detail. ... more
HFSS vs Q3D for Rdc, and Layered Impedance for Cu-Ni-Au Coating
2012
This article started in 2012, and was revised (with examples) in 2018 to add the discussion about Cu-Ni-Au coating structure. It is intended to verify the DC accuracy of HFSS, and introduce the surface impedance boundary condition (SIBC) and solver inside technology in HFSS. R19.2 HFSS enhances DC and low frequency interpolating further. ... more