EPCOS has extended its 3-line EMC filter offerings with a high-performance series for frequency converters. Its attenuation properties of the B84143D*R127 series offer decisive advantages especially with long motor leads. Cable-based measurements of commercial frequency converters showed that the EN 55011 limits were observed for class A up to 300 m and class B up to 200 m as … [Read more...]
RFID Tags with Ferrite Cores Operate Attached to Metallic Objects
Ferroxtag is a new family of RFID tags from Ferroxcube suitable for operation attached to metallic items. Operatiing frequency is 13.56 MHz. A key product feature is the direction of the field activating the device. It is not perpendicular to the identified item but parallel to it. This feature facilitates performance is almost independent of the material of the item … [Read more...]
RF Filters Available in Both Standard and Custom Models.
The µFilter™ line of RF filters from NuWaves Ltd. are offered in both standard and custom frequency models offering a wide frequency range and housed in a small, rugged aluminum case that measures a compact 1.0 x 0.75 x 0.5 inch. These filters use SMA connectors to provide design versatility as modules can be changed easily as filtering needs change. The custom designed models … [Read more...]
Online Catalog Details EMI Suppression Ferrite Cores
An online catalog posted by MuRata features that company’s line of Ferrite Cores for EMI suppression. Included are thin-type sandwich cores, cores for flat panels, plate cores, bead cores, and multi-hold cores. All listing include product specifications and unique features, schematics, dimensions, possible applications, and ordering information. All of the listed products are … [Read more...]
Schaffner's New Power Quality Brochure Highlights ECOsine Advanced Passive Harmonic Filters
Schaffner EMC has just released a new brochure featuring its latest advancement in power quality, the new ECOsine load-applied passive harmonic filters. Schaffner's latest filter series helps reduce harmonic waves and represents the ideal solution for three-phase power electronics with six-phase rectifier front ends, such as AC and motor drives.The 16-page brochure outlines … [Read more...]
KEMET Recognizes Employee for EMC Filter Patent
KEMET Corporation honored its 2008 United States patent recipients at its annual Patent Awards Luncheon on May 22, 2008, including Mike Randall for his Valve Metal Electromagnetic Interference Filter, U.S. Patent Number 7,211,740.KEMET employees received patents in areas such as low Equivalent Series Resistance (ESR) and Equivalent Series Inductance (ESL) capacitor design, … [Read more...]
Cavity Filter Targets WiMAX Applications
A new cavity filter series from MtronPTI has been developed especially for WiMAX applications and other wireless metro area network systems. The WiMAX cavity filter series covers the 2.3- to 2.7-GHz frequency range with emphasis on low-loss narrowband systems. A re-configurable design platform fully modeled in electromagnetic simulation software and tested with a stringent … [Read more...]
Tantatalum Chip Capacitors Offer Ultra-Low ESR Values
The new TR8 series of Molded MicroTan™ tantalum chip capacitors from Vishay Intertechnology provides ultra-low ESR values of 0.8 Ω (at 100 kHz and 47 µF) in the 0805 case size and an industry-low 1.5 Ω in the 0603 case size. Low ESR values combined with small footprints allows for greater efficiency in audio filtering and signal processing applications where PCB real estate is … [Read more...]
EPCOS Introduces New EMC filters for Long Motor Leads
EPCOS has extended its 3-line EMC filters by a high-performance series for frequency converters. It is distinguished by outstanding attenuation properties that offer decisive advantages especially with long motor leads. Cable-based measurements of commercial frequency converters showed that the EN 55011 limits were observed for class A up to 300 m and class B up to 200 m as … [Read more...]
Philadelphia EMC Chapter Briefed on AIRchitect Project for Navy
A City of (Brotherly) Love for EMCIEEE EMC Society Philadelphia Chapter Meeting IEEE EMC Society Mike Violette [Note: Mike’s journals of his trips through Asia and South America are, no doubt, familiar to our readers. This time he tackles the less exotic but hospitable territory of suburban Philadelphia.]It really was a dark and stormy night when we gathered at the LCR … [Read more...]
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