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Interference Technology

For EMI / EMC Engineers

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The Use of Surge Protection Devices in IEEE 802.3at (PoE+) Applications

 

The ratification of IEEE Standard 802.3at, also known as Power over Ethernet+ (PoE+), increases the power available to Ethernet ports. Outdoor applications, especially in open-air, unshielded environments, need to be protected from surge events using a surge protective device (SPD). Outdoor environments increase the devices' susceptibility to electromagnetic interference (EMI). … [Read more...]

Some Interesting Twists about Ethernet Cabling

 

A recent TechRepublic.com blog explains why Ethernet cable is built the way it is and discusses how electromagnetic interference comes into play from crosstalk from pairs of wire within the same cable. Shielded Twisted Pair cabling, which uses metal-foil shielding that directs any external noise to ground, is used if there is an abnormal amount of electromagnetic … [Read more...]

High-Voltage Measurement Subsystem Wins Safety Award

 

HBM’s high-speed instrumentation development team in The Netherlands has won a CE Design Award for work on its ISOBE7600 high-voltage measurement subsystem. The award was presented by DARE!!, a Dutch company which specializes in product certification for electromagnetic compatibility and electrical product safety. In its citation, DARE!! praised the quality of the ISOBE7600’s … [Read more...]

Firm Wins $4.6M Air Force Global Strike Command Contract

 

Transtector Systems, part of Smiths Interconnect’s Protection Technology Group, has been awarded a $4.6 million contract from the US Air Force Global Strike Command.  Transtector’s advanced SREMP ESA (Source Region Electromagnetic Pulse Electrical Surge Arrestor) hardened technology will be used to protect Minuteman Weapon Systems. Transtector’s Hayden, Idaho engineering labs … [Read more...]

U.S. Agencies Tying Up ‘Loose Ends’ on Toyota Review

 

A review of unintended acceleration incidents in Toyota Motor Corp. vehicles by two U.S. agencies may not be released this fall in the U.S. NASA is studying whether electromagnetic interference may cause unintended acceleration, which may be linked to 89 deaths in 71 crashes since 2000, according to the auto-safety agency. The National Research Council, part of the … [Read more...]

New M12 Cables Feature Braided Shield

 

Weidmuller has extended its M12 connector family to include fully shielded M12 cables with a braided shield connected to the coupling nut. The assembly’s design provides 360-degree protection of the connector and the cable against electromagnetic interference, and gives users fully shielded and secure signal connections.Get more product information from Weidmuller. … [Read more...]

New Broadband Gain Blocks Deliver High Linearity and ESD Robustness

 

Avago Technologies recently announced two new high-linearity gain block amplifiers that feature low current consumption and robust electrostatic discharge (ESD) protection. The AVT-55689 and AVT-54689 are housed in an industry standard SOT-89 package. The new devices operate in frequency bands from DC to 6000 MHz. They are well suited for use in cellular and WiMAX wireless base … [Read more...]

Interconnect Solutions for Digital Product Applications

 

Interconnect distributor Heilind Electronics has partnered with Molex Incorporated to provide a complete menu of interconnect solutions for digital product applications: Micro-Fit 3.0™, Micro-USB, and MicroSD memory card connectors.Micro-USB sets the flexibility and compactness standard for ultra-thin portable devices, offering a volumetric space reduction greater than 50% … [Read more...]

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