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...]
Chinese Safety and EMC Laboratories Receive International Accreditations
The Chinese power supply company, Huntkey Enterprise Group, has announced that its safety laboratory and EMC laboratory have received accreditation certified by UL, TUV and NEMKO. Receiving these accreditations will tremendously shorten the accreditation cycle of product R&D and accelerate the public listing of Huntkey products, the company says.Visit Huntkey’s Web site to … [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...]
Retlif Testing Laboratories Celebrates 30th Anniversary
Retlif Testing Laboratories, founded in 1978, is now celebrating its 30th anniversary. Providing EMI and environmental simulation testing and engineering services, Retlif maintains three full-service accredited laboratories located in Ronkonkoma, NY; Goffstown, NH; and Harleysville, PA. Retlif recently completed a one-million dollar expansion of its Ronkonkoma headquarters and … [Read more...]
Special Pricing Offered on Microwave Signal Generator & Power Amplifier Package
The recently introduced GT1000A microwave power amplifier is now available packaged with the 2420B a high performance microwave generator and synthesizer from Giga-tronics. Special pricing is available for this combination when purchased together. The GT-1000A broadband solid-state power amplifier utilizes Spatium™ spatial combined parallel MMIC technology. Traveling wave tube … [Read more...]
2008 EMC Symposium Guide – Digital Edition
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...]
Portable ‘Pain Ray’ Guns No Longer Science Fiction
Raytheon now markets a more portable version of its non-lethal “pain ray” weapons. The “Silent Guardian,” a part of Raytheon’s Active Denial System, uses high-frequency radio beams that make human targets feel like they are on fire. The futuristic weapon produces high-frequency millimeter waves directed toward the target by an antenna that looks like a radar dish. It directs a … [Read more...]
Researchers Find That Sticky Tape Emits Powerful X-Rays
New Scientist reports that by using a motor to unwind a roll of sticky tape, researcher Seth Putterman and colleagues from the University of California, Los Angeles recorded the electromagnetic emissions produced by ripping the tape from its roll at 3 centimeters per second. This action generated X-ray bursts of 15 kiloelectronvolts – each lasting one-billionth of a second, and … [Read more...]
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