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There is sometimes a design guideline seen in high-speed PCB design stating that vias should be avoided on signal traces, both for single-ended signals and differential pairs. This is not totally incorrect, but it does require a bit of context. When signal bandwidths are very broad, reaching well into the GHz range, the via transition must be carefully designed to provide low return loss at the input of the via. In addition, once considering the...

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Reduce Design Cycle Risk and Improve Reliability With Easy and Frequent Power Network Analysis Industry Fact: “In the early days of Printed Circuit Board (PCB) design, power delivery was not a prominent consideration. With a high-speed design prevalent in the present context…performance should be anticipated early in the PCB design and tailored to satisfy the device specification with lower voltage, higher current, and tighter noise margins...

In April 2021, I published an article in Printed Circuit Design & Fab, where I proclaimed the future of AI is embedded. In short, my view is that embedded systems will leverage greater usage of AI on the end device, meaning they will rely less on cloud platforms or data centers for inference. Without a doubt, I believe the future of AI is still embedded, but not with the chipset or system architecture I would have thought. At the time of writing...

The packaging revolution continues to charge ahead and PCB designers are uniquely positioned to benefit from this revolution. There is one type of packaging that will be much more familiar to PCB designers and that does not require any special packaging software to implement. This packaging technique is chip-on-board, where a semiconductor die is attached directly to a circuit board. Like any unique design approach, there are some rules to follow...

Whenever we say something to the effect of “components can’t work without a correctly designed PCB,” we only have to look at component packaging for evidence. It is true that component packages come with parasitics that affect signal integrity, but there is one area that we don’t often look at in terms of component packaging: power integrity. Every component package and semiconductor die has its own PDN, and when the on-chip structure is...

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Young blood in the PCB industry, Christopher Bonsell talks about process engineering–the chemical involved in the PCB, etching and encouraging the young generation to the “cool-tech” aspects of PCB design and manufacturing. Watch this episode through the end, and check the show notes and additional below. Listen to Podcasts: Download this episode (right-click and save) Watch the Video: Show Highlights: Chris Bonsell published articles...

Get ready to speed up your design process with new Altium Designer collaboration capabilities. Designing a PCB is a team effort. Engineers must work with customers, manufacturers, and other stakeholders to get the best results. You need help to bring your design to life, even if you're a one-person team. Join us this month's webinar, where we'll discuss what's new in Altium Designer 23, focusing on how you can collaborate like a pro. This...