EMI/RFI component manufacturer, Schaffner EMC, and electronics distributor have announced that the two companies have entered into a global distribution agreement for the distribution of Schaffner’s full line of EMC and power quality products, such as chokes, filters, pulse transformers, and feed-through components. Schaffner’s products, now available on Digi-Key’s website, … [Read more...]
Improving the Way We Measure Insertion Loss
A proposed set of new test methods may provide more accurate attenuation data Kermit O. Phipps, Philip F. Keebler, Bradford R. Connatser Many commercial and industrial electrical environments contain equipment that is sensitive to radio-frequency (RF) interference. Theft detectors, digital sensors, and medical-telemetry systems have all been known to malfunction in the … [Read more...]
Performing GR-1089-Core Lightning and Power Cross Test
A review of the test methodologies and equipment required to perform GR-1089-CORE lightning and power cross testing James Press, Jennifer Lawrence, Mark Betts, John Ngo ABSTRACT The pitfalls and difficulties in performing testing in accordance with GR-1089-CORE, Section 4 are discussed. A brief description of the GR-1089-CORE document is presented to familiarize the reader … [Read more...]
EMC in Space …
Successfully dealing with EMC in space systems requires strong EMC engineering Daryl Gerke, PE, and William Kimmel, PE Many of us in the EMC business came of age during the “space race” of the 1950s, 60s, and 70s. We well remember names like Sputnik, Mercury, Gemini, and of course, Apollo. Some of us in the EMC business have even been fortunate enough to spend some (or all) or … [Read more...]
Smaller Footprint Provides Excellent Chip Bead Solution for Portable / Handheld Electronic Applications
Laird Technologies, Inc. has announced its new line of EIA 0201 Ferrite Chip Beads that extends the existing 0402 to 3312 surface-mounted monolithic EMI suppression product families. The LI0201 chip beads’ smaller, miniature footprint make them ideal for advanced handheld electronic devices such as cellular phones, Bluetooth® handsets, PDAs, GPS, MP3 players, digital … [Read more...]
Lodestone Authorized Arnold Distributor of Crystal-XTM – Soft Magnetic Powder Cores
Arnold Magnetics has developed and is proud to release Crystal-XTM as a new addition to its soft magnetic powder core product line. Crystal-XTM alloy powder cores have low core loss and excellent DC bias characteristics, which contribute to highly efficient switching. Crystal-XTM also offers significant size & weight reduction compared with existing powder core materials such … [Read more...]
ComReg Issues New Frequency Plan for Ireland
ComReg, Ireland’s telecom watchdog, has posted the newest Radio Frequency Plan for the Republic of Ireland. The last complete revision took place in 2004 , with numerous lesser revisions taking place in the interim, reflecting all relevant amendments and updates on both a national and international level applicable to Ireland. The latest edition details several significant … [Read more...]
Teseq Partners with Italian EMC/RF/Calibration Firm
EMC test equipment manufacturer Teseq recently announced a partnership with Italian EMC/RF/calibration firm NARDA Safety Test Solutions. Throughout North America Teseq will now offer an expanded range of EMC components including field probes, measurement receivers, signal generators, and power meters to the consumer electronics, automotive, telecommunications, medical, … [Read more...]
Soft Molded Shielding Gasket Targets Handhelds, Infotainment Systems, and More
New CHO-SEAL® 1270 from Parker Chomerics is an ultra-soft gasket consisting of silver-plated copper particles within a silicone elastomer. It offers shielding effectiveness greater than 70 dB from 100 MHz through 10 GHz and 35 ±5 Shore A hardness and 9 percent compression set. Available forms include compression molded sheets, die-cut parts, and custom molded shapes with a … [Read more...]
GPS Module Includes Filters to Forestall Interference in New Mobile Telecom Apps
The new BGM681L11 from Germany’s Infineon Technologies AG is being debuted as “the world’s smallest GPS receive front-end module. The necessity of forestalling interference with cellular signals and the constraints of limited PCB space are two of the major design challenges encountered in designing the next generation of wireless, multi-function cell phones. The BGM681L11 … [Read more...]
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