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timwanglee
Welcome to Tim’s Blackboard! This is the place to find discussions on interesting topics related to signal integrity and power integrity.   This week on Tim’s Blackboard is the “melting trace paradox.”   IntroductionUnlike other famous paradoxes such as the Zeno’s paradox, where Achilles and the Tortoise are involved, the melting trace paradox is… (Show more)
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vandduff
You successfully created a Low Pass Filter in ADS by following my example in the last blog post.  Let’s build off what you know from the Low Pass Filter exercise and learn how to add flexibility to your design, including PDKS and compare an ideal schematic to a schematic with external vendor’s components.   What’s a PDK? You now want to design a… (Show more)
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KeysightEEsofEDA
In the past, the pre-manufacture design could be simulated and tested using compliance tools from an EDA vendor. And the post-manufacture prototype could be bench tested using compliance tools from test and measurement instrument vendors. However, because of subtle differences between the two vendor’s independent approaches to compliance, it was… (Show more)
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kaelly_farnham
Accurate and efficient modeling is critical to successful design, especially when it comes to the Static Random Access Memory (SRAM) cell, the minimum geometry devices in integrated circuit technology. Modeling such circuits has grown increasingly complex with the advent of nanometer scale process geometries. That’s because increasing process… (Show more)
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kaelly_farnham
There’s a saying around the industry that goes something like “everyone trusts a measurement, except the person who made it, and no one trusts a simulation, except for the person who did the simulation”.  Either way, both have lots of nuances which can impact the end result. Comparing simulation to measurement can be a very difficult task.    For… (Show more)
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Colin Warwick
Calling all power electronics engineers! Can you please help me by completing this short survey?   https://colinwarwick.typeform.com/to/ynBcYy
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vandduff
I was excited and intimidated when I took the opportunity to write this blog post for Keysight EEsof EDA.  I had some exposure to what Keysight ADS is and what you can use it for in college – but to write tutorial blogs to assist engineers who design the next satellite that will be launched into space?  That seemed like a daunting task.    I… (Show more)
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kaelly_farnham
If you’re looking for help designing a broadband Power Amplifier (PA), the 3D Smith Chart may be just the answer for you. 3D Smith Charts can be easily generated from Keysight’s Advanced Design System (ADS) software using Python scripts. You don’t even need to know Python. A Data Link with Python in ADS provides a simple way for you to call… (Show more)
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KeysightEEsofEDA
You are designing a power amplifier and have a nonlinear device model. You may want to know what load gives the maximum power-added efficiency (PAE) while the device is delivering a specified output power and while it is operating below some maximum allowable gain compression. How do you do this? Andy Howard, a Senior Application Engineer at… (Show more)
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kaelly_farnham
Go straight to the Knowledge Center article (login required): How to Create your own 3D Smith Chart Plots --------------------------------------- Engineers surround themselves with the best tools they can find. For the RF engineer, a new tool discussed in the literature recently is the Cylindrical 3D Smith Chart (also called the “Smith Tube”). … (Show more)
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