EMI Absorber Sheets from 3M Electrical Markets Division provide enhanced absorption of electromagnetic interference at frequencies below 1 GHz. The 3M™ EMI AB5000S reduce EMI noise and harmonic coupling in electric equipment, cables, or circuits, including any portion covered by a shielded can. They reduce the EMI susceptibility of sensitive components, including RFID or Hall … [Read more...]
EMI Suppressant Tubing Guards Against Both Conducted and Radiated Interference
EMI suppressant tubing from CAPCON, Inc. provides a simple, low cost efficient means for suppressing unwanted EMI. This product can be slipped over standard wires and cables (insulated or uninsulated) and suppresses both conducted and radiated interference. Completely flexible and lightweight, this tubing can be used in temperatures from -55 degrees to +250 degrees C without … [Read more...]
Crucial RF Shielding Selection Considerations
Gary Fenical Laird Technologies INTRODUCTION Designers must attenuate RF signals for various reasons. Since a product cannot be legally marketed unless it meets EMC requirements, designers must curtail RF signals above a certain limit. It is important to consider RF shielding materials at the beginning of a design project because choosing the correct kind of shielding upfront … [Read more...]
Power Filter Line Expands with Addition of RAST 5 Option
The WG Power Filter Line family from Tyco Electronics has been expanded a new power line filter with a RAST style connector for ease of installation and the elimination of potential wiring errors. This tubular filter is now available with an un-keyed two-position RAST 5 header that mates with Tyco Electronics’ stand connectors or with the RAST 5 Positive Lock Mark III … [Read more...]
Oxley & Turbo Power Systems Partner to Produce Filtered Connector
Filtered connectors manufactured by Oxley Developments Company Ltdwill soon be flying high on a new commercial aircraft, thanks to aneffective partnership with Turbo Power Systems (TPS).TPS supply the rack-mounted liquid-cooled controller for the aircraft’sjettison fuel pump and required a high performance filtered connector thatwould not only remove electromagnetic … [Read more...]
Connectors Conundrum
Shielded connectors and the effective use of connectors can be vital to achieving EMC. An impressive variety of shielded connectors, shielded cables, and shielded conduits can be found in the Interference TechnologyBuyers Guide. And any questions about design, connector choice, or effective use can be posted to the new Connectors Forum, a venue that lets you swap ideas with the … [Read more...]
Filtered Connectors Provide EMI or ESD Protection for USB
A new series of connectors from Spectrum Control incorporates EMI or ESD protection in an industry standard USB package. These connectors satisfy the requirements of the USB 2.0 spec, which calls for EMI and ESD protection according to industry specifications. Locating the EMI or ESD protection in the connector frees up increasingly precious PCB real estate. These devices are … [Read more...]
Filter Connectors Designed With Multilayer Varistor Arrays
Affordable transient protection is now available within electronic connectors Chris Noade, Syfer Technology Limited Arminghall, Norwich UK "Connectors contribute nothing to electronic equipment" is an old and contentious statement that raised a few hackles when written, but is now undisputedly outdated and wrong! A modern connector, in isolation, can fulfill the equipment … [Read more...]
ZERO GROUND Technology Receives Approval for Mining Industry Use
Illinois-based ZERO GROUND, well known maker of wiring and shielded conduit systems, has announced that it High Frequency Extraction System (HFES™) that reduces high frequency ground currents, has been formally approved by the U.S. Department of Labor, Mining Safety and Health Administration (MSHA) for use in underground and surface mines located in the United States. This ZERO … [Read more...]
IEC Issues Technical Report on EMC Testing of Metallic Communication Cables
IEC 62153-2-1 Ed. 1.0 (2007-11) is a 52-page Technical Report from the International Electrotechnical Commission (IEC) entitled "Metallic communication cable test methods - Part 4-1: Electromagnetic compatibility (EMC) - screening measurements." It gives a brief introduction to basic concepts and terms that reveal the common features of test methods. For more … [Read more...]
