Introduction With the proliferation of embedded wireless systems in all imaginable products, comes the risk of increasing interference and resulting slowdown in data transfer. As we transition to a more mobile and connected society, the number of Wi-Fi (home appliances and control) and Bluetooth-enabled devices (speakers, headset, watches, etc.) is rapidly increasing. Add … [Read more...]
How to Choose Particle-Filled Silicones to Meet Multiple Design Requirements
Many electronic designs need shielding materials that combine resistance to electromagnetic interference (EMI) with other application-specific requirements. For example, the EMI gaskets that are used in military touchscreens need to attenuate EMI emissions, provide electrical conductivity, and ensure environmental sealing. These shielding gaskets also must also cushion the unit … [Read more...]
The Future of Shielding
THE FUTURE OF SHIELDING The future is not all that far off. With more electronic devices that are getting smaller, more portable and with continuing faster speeds, EMI or RF issues will continue to increase. There will be more integrated system-onchips (SoCs) where several functions will all be in one device that will need to be electromagnetically isolated. As an example, a … [Read more...]
Introduction to MIL-STD-464C
Responding to increasing criticism, Secretary of Defense William Perry issued a memorandum in 1994 that effectively eliminated the use of most defense standards. This has become known as the “Perry memo”. Many defense standards were canceled. In their place, the DOD encouraged the use of industry standards for quality assurance. MIL-STD-464 was developed as an “Interface … [Read more...]
The Industrialization of Satellites
Santa Rosa, California, December 28th, 2023 – The use of satellites in space has historically focused on the aspects of science, communication, and military. This will change massively in the future. Whole swarms of small satellites orbit the globe and supply mankind with Internet access. Modern day satellites are packed with state-of-the art electronics. They must be as small … [Read more...]
Design for EMC Compliance Essentials
Introduction While unrealistic to discuss all aspects of product design in a single article, I’ll try to describe the most common design issues I find in the hundreds of client products I’ve had a chance to work on. These issues generally include PC board design, cables, shielding, and filtering. More detailed information may be found in the Reference section below. As … [Read more...]
Using An Oscilloscope To Verify EMC Tests For Automotive Electronics
Consumer demand for more entertainment, safety, and communication options within automobiles has significantly increased both the density of electronic components and the number of on-board wired and wireless signals. The result: an ever-expanding range of signals contained within the same car-sized fixed space. USING AN OSCILLOSCOPE TO VERIFY EMC TESTS FOR AUTOMOTIVE … [Read more...]
SCHURTER Classic Power Entry Module with Circuit Breaker Gets Even Better
Santa Rosa, California, November 30th, 2023 – SCHURTER series DG11 and DG12 with and without main filters feature a first-of-its-kind ingress protection solution for IEC inlets, consisting of a seal gasket between the connector and mating V-Lock power cord. The blue colored latch of the V-Lock power cord and blue inlay of the appliance inlet indicate that the two have been … [Read more...]
Customized Wire Harness Solutions by SCHURTER
SCHURTER is pleased to announce its wire harness solutions with ready-to-connect cables, cable bundles and complete wire harnesses with connectors, contacts, or wire-end sleeves. Wire harnessing requires a special electrical engineering know-how to ensure end-to-end quality of product installation and performance. SCHURTER’s widespread offering of components and wire harness … [Read more...]
A Short Perspective On Our Industry: IoT, Wireless & Security
Introduction The term “The Internet of Things” is a concept that went from a novel (like Bitcoin or Streaming or something similar) to a phrase that is as household as a Spying Siri or an Alert Alexa. Way back, when I was a green engineer, the nominal upper frequency for testing PCs and the like was 1 GHz. System clocks ticked along at a blistering 25 MHz. Jump a generation … [Read more...]
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