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Interference Technology

For EMI / EMC Engineers

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Shielding

Electromagnetic Pulse: The Myths and Reality

 

Introduction Some 10-15 years ago this topic was irrelevant for the civil sector, and the issue of protection of electrical and electronic equipment from high altitude electromagnetic pulse (HEMP) solely belonged to military specialists. Today, much of the mass media discusses HEMP danger for civil infrastructure at the global level in all possible ways; and thus, this topic … [Read more...]

Toyochem Develops Highly Flexible EMI Shielding Film for High-speed FPCs

 

Toyochem Co., Ltd., a member of the Toyo Ink Group, has launched a highly flexible electromagnetic interference (EMI) shielding film, the LIOELM™ TSS510-HF, designed to meet the demanding performance requirements of 5G flexible printed circuits (FPCs). The newly developed TSS510-HF addresses the needs of today’s electronics designers for improved shielding performance for the … [Read more...]

The Emerging Threat of Tactical Electromagnetic Interference & Its Spread into Non-Defense Sectors

 

During the last five years intentional electromagnetic interference (IEMI) has emerged as a credible and increasingly likely threat to commercial and defence facilities alike, with a potentially crippling cost to individual organizations of such a localized attack. Hollywood has long used electromagnetic interference (EMI) and electromagnetic pulse (EMP) phenomena as the de … [Read more...]

The Top Five Reasons Products Fail EMI Testing

 

Introduction  The three top product failures I see constantly in my consulting practice are (1) radiated emissions, (2) radiated susceptibility, and (3) electrostatic discharge. After reviewing and testing hundreds of products over the years, I’ve come to the conclusion that products fail these tests for five common reasons (somewhat in order of incidence);  PC Board … [Read more...]

Harwin Adds to Unique & Highly Adaptable Board Level Shielding

 

Assisting engineers dealing with EMI/RFI issues in their PCB designs, Harwin has just announced the introduction of three new shielding cans. Supplied in a tape-and-reel format, these cans increase the company’s existing range of EMC products. The new can dimensions are 10 mm x 10 mm, 15 mm x 10 mm, and 30 mm x 10 mm, all with a 3 mm profile height and 0.15 mm thickness … [Read more...]

Transtector Expands NEMA-Rated Weatherproof Enclosure Line with Lightweight Polycarbonate Cabinets

 

Transtector Systems, an Infinite Electronics brand and an industry-leading provider of end-to-end power and signal integrity solutions, has expanded its comprehensive line of NEMA-rated equipment enclosures with a new line of polycarbonate-based cabinets that provide weatherproof protection in an ultra-lightweight design. The new TEPC-series enclosure family includes 44 … [Read more...]

Review of Space Applications EMC Requirements

 

The Contract Having been a long-time manufacturer of oxygen concentrator equipment, when I saw an opportunity to bid on a job to provide an oxygen concentrator system (OCS) for a satellite project I jumped at the chance. The specifications were normal for this type of system and of course electromagnetic compatibility (EMC) requirements were included. Having experience with … [Read more...]

HEMP Protection Strategy for Power System’s Electronic Equipment

 

Annotation The issue of protecting electronic equipment from the electromagnetic pulse of a high-altitude nuclear explosion is very relevant and important for the power industry. Current knowledge about individual HEMP protection elements, their specifications and application features is very important, but, at the same time, limited to ensure efficient protection of power … [Read more...]

Software-Defined Analog Filters to Modernize and Improve Radio Filters

 

Filters are some of the most common components found in wireless system designs. They are typically used to block interference from various sources. As limited spectrum resources are allocated to ever increasing number of users, more conflicts between these users arise and more filters are constantly needed. Nowadays, interference is quite common between cellular base stations, … [Read more...]

Cable Discharge Event (CDE)

 

Abstract Worst-case Cable Discharge Events (CDE) are poorly understood by most of the product developers as the definition of what is about to happen when you plug in a cable into an appliance’s socket. It is NOT the electro-static charge which could be expected on the cable: outer/inner shield(s) + internal wires, while the cable is fully floating prior to the cable … [Read more...]

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