Interference Technology

For EMI / EMC Engineers

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Thermoplastic Faraday Cage: Specialty Polymers for Inherent EMI Shielding of Medical Devices

 

Co-Authors: Leen-Pieter Deurloo | Martin Sas, Ph.D. | Marnik Vaes Today's electronics can generate strong electromagnetic interference (EMI) that may affect electromagnetic compatibility (EMC) and, as a result, impact device performance. Polymer compounds with integrated electrical conductivity offer a potential solution to resolve EMI and electrostatic discharge … [Read more...]

Benefits for Test & Measurement Market from Using LabVIEW with Sentinel 3

 

PPM Test has announced a National Instruments certified LabVIEW driver for their world-leading EMP/EMC conformance test and measurement ‘Sentinel 3’ system. Laboratory Instrument Engineering Workbench (LabVIEW) is a system that helps users to visualize their applications from hardware configuration through to debugging via graphical programming. By being National Instruments … [Read more...]

Key Points to Remember While Choosing PCB Assembly Company

 

Once you have designed a PCB and have completed everything that needs to be done before the assembly process, you would require a PCB assembly company to assemble your PCB without any problems. After all, you've been working considerably hard to assemble the layout and the design of the PCB. You would want to be convinced that your PCB gets well-assembled. To ensure that the … [Read more...]

Don’t Rely on the Stability of the Mains Frequency

 

My old colleague and good friend Tim Williams sent me the story below for inclusion in EMI Stories/Banana Skins, and I found it so interesting in so many ways that I decided to publish it as a Blog. In so very many EMC standards and other meetings on EMC, we hear that the stability of the AC mains power frequency is either ‘not an EMC issue’ or is ‘never a real EMC … [Read more...]

IQD Presents New Low Phase Noise Oscillators

 

One of the world’s best performing oscillators available from IQD As application requirements drive the need for greater data rates, more oscillator devices with ultra-low phase noise are required. This type of application is especially prevalent in today's connected world. Applications include fibre transceivers, gigabit Ethernet and 5G base stations. IQD is pleased to … [Read more...]

Mains Harmonic Current Emissions are Always Bad – It is Risky to Rely on the Limits or Exclusions in the Standards

 

Many (perhaps all) of EMC standards that are listed under the EMC Directive, that set limits for mains harmonic emissions, have exclusions (‘let-outs’) for certain types of equipment, especially: (these examples are from IEC/EN 61000-3-2 Ed.5:2018) Lighting equipment with a rated power of less than but not equal to 5W Equipment with a rated power of 75W or less, e.g. … [Read more...]

EMC Confidence Checking

 

I was recently working with a manufacturer of stand-alone ticket machines, who had big problems with Ethernet-related emissions. Long story short – it was the Ethernet hub they had incorporated in their machine. They had assumed that all CE-marked Ethernet hubs would be equally good for EMC, and they had several different types lying around their design department. We tested … [Read more...]

Sentinel 3 System Enhances QinetiQ’s Aircraft EMC Testing Capability

 

PPM Test has been working with QinetiQ Ltd to improve their EMC testing services. QinetiQ is a globally recognised leader in aircraft EMC certification testing and has been using the previous Sentinel II fibre optic link system for over 20 years. The upgrade to Sentinel 3 will be a significant enhancement to QinetiQ’s EMC testing capability.  The new Sentinel 3 equipment, … [Read more...]

Amphenol Completes Acquisition of MTS Systems

 

WALLINGFORD, Conn. -- Amphenol Corporation (NYSE: APH), a leading global provider of high-technology interconnect, antenna and sensor solutions, today announced that it has completed its acquisition of MTS Systems Corporation (“MTS”). In connection with the close of the transaction, MTS common stock will cease to trade on the NASDAQ. “We are excited to have completed our … [Read more...]

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