Summer is winding down and many students are headed back to school. Is your social media feed blowing up with all the back-to-school pictures? This time of year may be a bit emotional for some and may cause your eyes to tear up a bit. Here are a few reasons I have seen; Sending off your own kids for the first time.Your kids have outgrown those back-to-school pictures, or are headed away for college. When looking at some of the outfits you see kids wearing to school these days.Your home … [Read more...]
Maximizing RF Launch Performance: The Impact Of GND Vias
(This is the third in a series of blogs, from Sandeep Sankararaman, Samtec’s Principal RF and Signal Integrity Engineer, discussing design strategies for high-bandwidth RF launches. The first is entitled “What Is An RF Connector Launch?” The second is "Via Stubs: Practical Strategies To Mitigate Return Loss.") A wide bandwidth RF launch requires a good ground ring structure around the signal via to maintain the impedance while the signal travels down the via. Figure 1 shows the ground ring … [Read more...]
Modular Design Reduces Supply Chain Risks
"Supply chain." Who knew that business term would become part of everyday conversation. Supply chain issues are everywhere. Key shipping ports and shipping lanes are finally becoming unclogged. Retailers have too much clothing, but not enough household supplies. Consumers can't find their favorite personal brands. Construction projects are being delayed. In the electronic components industry, raw materials are hard to come by. Fab closures in some geographies are affecting lead times. … [Read more...]
Via Stubs: Practical Strategies To Mitigate Return Loss
(This is the second in a series of blogs, from Sandeep Sankararaman, Samtec’s Principal RF and Signal Integrity Engineer, discussing design strategies for high-bandwidth RF launches. The first is entitled "What Is An RF Connector Launch?" The third is "Maximizing RF Launch Performance: The Impact of GND Vias." coming next week, discusses GND rings.) When using a through via to transition to an internal layer, there is a stub created by the part of the via that extends below the transition … [Read more...]
What is an RF Launch?
As signal speeds increase, each part of the signal path getting to and from the device needs to work to higher frequencies. Strategies that worked in the past no longer suffice and cheaper connectors no longer make the cut. Cable lengths and trace lengths need to get shorter to reduce losses. This makes intuitive sense. However, what needs to be done with connectors to get them to perform better is not as straightforward. The selection and implementation of RF PCB … [Read more...]
AI HW Summit: Samtec Accelerates 112 Gbps PAM4 Adoption
Something occurred to me recently. AI hardware system architectures are really applications-specific. Computing platforms from laptops, desktops, workstations and servers follow classical architectures. Inputs, outputs, a central processing unit, busses (control, data and memory), data memory and program or instruction memory all balance in harmony in so many facets of our daily lives. Granted, accelerators using FPGAs and GPUs are affecting system architectures. Distributed memory and … [Read more...]
Compact Components Enable Compact Drones
According to the Drones Industry Insights Report 2020, the worldwide drone industry is predicted to increase at a 13.8% CAGR to $42.8 billion by 2025. Advancements in sensor technology are fueling innovation in the drone industry. In addition, increased embedded Ethernet speeds (2.5 Gbps, 5 Gbps, and 10 Gbps) enable faster throughput for the multitude of sensors found in drones. However, for this technology to work, new innovations must be compact and light because extra weight on a drone … [Read more...]
RF Connector Tree: From MCX to 110 GHz
Samtec's RF Connector Tree is a display of Samtec’s RF products and their evolution into high frequency for microwave and millimeter wave applications. It is divided into six categories, or levels. This display was recently presented at DesignCon, IMS, and Embedded World tradeshows and conferences. In this video, Steve McGeary, Director of RF Business Development and Product Management at Samtec, walks us through the six levels, with an emphasis on precision RF and millimeter wave … [Read more...]
The Design Challenges of Temperature
As I write this article, Europe is recovering from its latest heatwave. Here in the UK, we saw record-breaking temperatures of 40°C or 104°F, sparking fears of rails buckling in the heat or road surfaces melting. What does this have to do with electronics? Thermal management and temperature derating have always been something that designers have had to plan for to keep their products safe. Temperature and power are closely linked, especially when it comes to connectors. The … [Read more...]
Samtec Powers Future EVSE Infrastructure
Summertime brings family vacations (holidays) and driving or flying long distances. Gas (petrol) prices are on the rise, so many people are rethinking the economies of personal electrical vehicles. Additionally, global logistics companies are adopting electric vans and trucks for local deliveries. More EVs are driving the need for increased EV charging infrastructure. It's common to see EV chargers in homes, shopping centers, gas or petrol stations or if office parks around the world. Yet, a … [Read more...]
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