Chris Shelly, Samtec’s RF/SI Modeling Engineer, walks us through a live 12G-SDI transmission line demonstration at NAB 2019. This demo showcases the signal processing capabilities of the Phabrix® QX UHDTV 12G-SDI generator/analyzer and the transmission of those signals through several other Samtec 75 ohm PCB connectors and cable assemblies. The Phabrix QX is generating a 12G-SDI signal, through two Samtec right-angle BNC connectors, and back into the Phabrix QX for analysis. We get a good … [Read more...]
Live Return Loss Demonstration Of 12G-SDI Connectors At NAB 2019
This live demonstration from NAB 2019 compares return loss performance of Samtec 12G SDI RF connectors per SMPTE ST-2082-1 12G-SDI requirements. In this video, Chris Shelly, Samtec’s RF/SI Modeling Engineer, compares the performance of Samtec's industry standard edge mount BNC connectors to a 75 Ω right-angle BNC, an HDBNC and a DIN 1.0/2.3, and he shows how optimized launches improve performance. The standard edge mount BNC connector has excellent performance of approximately -20 dB … [Read more...]
An Eye Catching High Performance Test Point System
Samtec Bulls Eye® test point systems are ideal for high-performance test applications because of their compression interfaces, small footprint, and high cycle count capabilities. Bulls Eye is now available in 50 GHz and 20 GHz designs, with a system up to 70 GHz in development. Bulls Eye is a popular product because: The grid design and smaller footprint enables smaller evaluation boards and shorter trace lengths. The high-density array design significantly saves PCB space compared to … [Read more...]
Creepage and Clearance and Why We Care About It
Every day Samtec’s Application Support Group answers questions about a connector's mechanical, thermal, and electrical performance. One frequently discussed topic is connector creepage and clearance. Creepage and clearance is ultimately about safety and meeting regulatory standards, regardless of the system design. The ongoing trends to reduce PCB size and increase density become a design challenge when these smaller, denser PCBs incorporate high voltage circuits. Dave Scopelliti, President … [Read more...]
Solder 0.15 mm Coplanarity Connectors With a 0.10 mm Stencil
COPLANARITY AND STENCIL THICKNESS STUDY Samtec and Phoenix Contact recently completed dual studies that show when PCB processing requirements dictate using a 0.10 mm (.004”) stencil, the coplanarity requirements for most connectors can be relaxed to a maximum of 0.15 mm (.006”). In other words, Samtec and Phoenix Contact both successfully soldered PCB connectors with 0.15 mm coplanarity using a 0.10 mm thickness stencil with optimized apertures. CHALLENGE FOR DESIGNERS Designers know … [Read more...]
Rugged Interconnects For Industrial Applications
Many industrial electronics OEM designers use the word "rugged" to describe their board-level interconnect needs. While rugged can mean different things to different people, it usually includes the ability to withstand high shock and vibration applications, maintain mechanical and electrical integrity after exposure to both harsh environments and high mating cycles, and provide EMI shielding attributes, to name a few. Designers in the mil/aero, high-performance computing, telecom, and datacom … [Read more...]
Rugged, High Bandwidth Interconnects Save Space On PCB
Edge Rate®, one of Samtec’s most popular high speed, high bandwidth interconnect systems, also saves space on your PCB. Edge Rate is both the name of the contact system and the product family. The contact system is designed for high speed, high cycle, rugged applications. With some connectors, the mating edge of the contact is the cut edge of the pin (but not Edge Rate!). If you look at the edge of the pin under a microscope you may see micro burrs and edges. This reduces the life of … [Read more...]
5 Meter, 56 Gbps Long Reach Backplane Cable Assembly For Rack to Rack Applications
Long Reach Backplane Cable This live demonstration from DesignCon 2019 shows how Samtec's ExaMAX® backplane connector, combined with Samtec Flyover® technology, achieves high density and very long reach. Here, the reach is five meters for a rack-to-rack interconnect system. In this video, Samtec's Gustavo Blando walks us through the topology and discusses system performance. Samtec Flyover systems can be used in mid-board applications to achieve next gen speeds with longer reach … [Read more...]
112 Gbps Interconnect Increases Reach Between the ASIC and the Front Panel
In this demonstration at DesignCon 2019, J.R. Bonnefoy (a Systems Engineer at Samtec) explains how Samtec Flyover® offers a 112 Gbps high-density escape from the system ASIC to the front panel. Signal Path A Credo Pelican II SERDES generates 31-bit PRBS data at 112 Gbps PAM4 data rates. Signals travel from the Credo test board, through precision RF cable assemblies, to a Samtec NovaRay cable assembly SI evaluation board. The signals then route through the NovaRay board, to the … [Read more...]
English Guy (Who Thinks He’s James Bond) Demos 56 Gbps System With 5.8 Tbps Throughput
Samtec’s Active Product Demonstrator proves 56 Gbps PAM4 based systems are fully realizable today. It’s a state-of-the-art prototype combining high-performance interconnects from Samtec and bleeding edge Credo silicon. All interconnect and silicon shown are available. The Demonstrator internally generates over 100 independent channels of signal data using Credo mixed-signal 56 Gbps PAM4 SERDES Bald Eagle silicon. Each signal generated is QPRBS 31, 56 Gbps PAM4 data, equivalent to 5.8 Tbps of … [Read more...]
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