Cutting-edge data rates have received much well-deserved press in the electronics media. New 56 and 112 Gbps PAM4 systems are in operation with verified, sustainable performance, and we’re on the doorstep of 224 Gbps PAM4. Having said that, the majority of Samtec customers don’t need these extreme data rates. For many designers and many applications, high speed, if it’s needed at all, is 10 Gbps or less. They need a reliable connector system capable of handling those slightly higher data … [Read more...]
Cutting Edge High-Speed Cable Performance Measured By The World’s First 53 GHz Scalable VNA
In this live demonstration from DesignCon 2023, the performance of a Samtec high-speed cable system is measured by the world’s first scalable VNA. Matt Burns (Technical Marketing Manager, Samtec), and Mike Resso (Signal Integrity Application Scientist, Keysight) explain the demo and equipment. The scalable VNA is Keysight's Digital Interconnect Test System, with 16 ports that are expandable to 32 ports at 53 GHz. In this demonstration, Mike has calibrated all 16 ports of the Keysight PXI-VNA … [Read more...]
Improve Power Integrity and Signal Integrity With New Interconnects
A new connector system improves signal integrity by improving power integrity. Optimizing power integrity provides greater signal integrity margin and improves power and thermal efficiency. The design of a high-speed connector system's breakout region, or BOR, impacts signal integrity. The BOR of a power connector also impacts signal integrity. How do we create a BOR that minimizes parasitic inductance? PI + SI: A New Connector In this video from DesignCon 2023, Alex Wroten, … [Read more...]
New Alignment Features Ensure Precision Alignment in Test & Measurement Applications
Samtec has developed an innovative, yet easy-to-use alignment technique for ensuring peak connector performance of precision, high-frequency compression mount connectors in test and measurement applications. The following explains the trend we were seeing and outlines the solution we developed to the common alignment challenge that was occurring. The Problem As data rates continue to push upward (224 Gbps PAM4) the need for precision, higher frequency compression mount test … [Read more...]
Samtec’s First 224 Gbps PAM4 Live Product Demonstration
There’s no end to the demand for bandwidth. Everything from 5G networks, streaming video, social media, augmented and virtual reality, and artificial intelligence and machine learning, are all pushing current-bandwidth limits. The next level is 224 Gbps PAM4. Visitors at DesignCon 23 saw promises and glimpses of 224 Gbps equipment and components. We are excited that we debuted our first 224 Gbps PAM4 live product demonstration. In this video, Ralph Page, Systems Architect at … [Read more...]
The Future of High-Speed Interconnections
How fast is too fast? In the world of high-performance computing, data centers, artificial intelligence and related topics, the answer is always the same. How fast can we go? Theoretically, I guess the fastest is the speed of light. In reality, data can travel at about 112 Gbps PAM4 right now with 224 Gbps data rates coming. This topic was all the rage at DesignCon 2023 last week in Santa Clara, CA. A quick search of the technical papers submitted shows at least six technical sessions … [Read more...]
Why Did PCIe 6.0 Adopt PAM4? There Are Many Reasons.
Samtec is a proud member of the PCI-SIG® community, and we have been for many years. In conjunction with our friends at PCI-SIG, Jignesh Shah, Senior System Architect at Samtec, discusses PAM4 encoding, which is a new feature of the PCIe® 6.0 specification. New: The PCIe® 6.0 Specification In early 2022, PCI-SIG® released the full version of the PCI Express® (PCIe®) 6.0 specification. As with previous versions, the latest version doubles the data rate of the PCIe 5.0 specification and … [Read more...]
The Best Connector Blogs Of 2022
From the top plays in sports to the top news stories, to the best of new electronic equipment and technologies, I love end-of-the-year lists. But compiling one of these lists can be easier said than done. Samtec published 142 blogs in 2022, and it's challenging to select the best connector blogs with so many good options to choose from. Several of us reviewed all of the options, and here's our list of Samtec's best connector blogs of 2022, based on our subjective definitions of "best." BTW, … [Read more...]
How Does Solder Reflow Affect RF Connectors?
Solder reflow plays an important role in the success and performance of high-bandwidth RF connectors. Sometimes, when a high-bandwidth RF connector is soldered together with an optimized PCB launch, the results can be unpredictable. It is important to investigate the root causes of solder reflow variation and analyze what techniques can deliver consistent performance across frequencies. In a new white paper from Samtec, “Impacts of Solder Reflow on High Bandwidth RF Connectors,” authors … [Read more...]
Characterizing High-Speed Digital Interfaces: Reflecting on Reflections
Today’s high-speed digital interfaces have become more sensitive to signal reflections. The result is a need to characterize and suppress channel and component discontinuities. How do you select a characterization method between those called out in standards such as PCIe, IEEE 802.3, and USB? In a DesignCon 2022 paper, Steve Krooswyk, Hansel Dsilva, Richard Mellitz, Stephen Hall, Adam Gregory, Beomtaek Lee, and John Riley aim to explain each reflection standard in regard to its history, use … [Read more...]
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