The 1590 die-cast enclosures family from Hammond Manufacturing consists of 41 different sizes in the standard rectangular sizes. Two new sizes, the 1590 BX2, 10 x 2.8 x 1.4 inches (254 x 70 x 35mm) and 1590 BX, 10 x 2.8 x 2.0 inches (254 x 70 x 51mm), have been added. The two new sizes have also been specified in a completely different requirement, a radio antenna splitter, … [Read more...]
Military
FCC Extends Transition Period for Lab Accreditation
(June 15, 2016) The Federal Communications Commission moved to provide testing laboratories with an additional year to meet an accreditation requirement under its equipment authorization rules. The Commission will also provide guidance on the process for recognition of accreditation bodies. The Commission took these actions through a Memorandum Opinion and Order and Order on … [Read more...]
Coaxial and Board-Mounted EMI Filters Available
API Technologies offers a wide range of EMI filters focused on medical product applications. The range of filters includes surface mount, low pass feed-through, filtered terminal blocks, filtered connectors, as well as gaskets and shielding products. … [Read more...]
Blog Post – DC-DC Converter Noise Evaluation
By Kenneth Wyatt More of my clients are starting to use small third-party DC-DC converters to provide the multitude of voltages required for today’s processor and DDR RAM ICs. While these are convenient to drop onto a circuit board, they can be quite a source of radiated and conducted emissions – especially those that switch in the MHz range... To read the full blog post, … [Read more...]
In-House Verification of EMI Test Equipment
SAE International has made available the AIR6236A document. This AIR provides guidance to the EMI test facility on how to check performance of the following types of EMI test equipment: current probe, Line Impedance Stabilization Network (LISN), directional coupler, attenuator, cable loss, low noise preamplifier, rod antenna base, and passive antennas. All performance checks … [Read more...]
New Line of EMC Antennas from 1-18 GHz
MVG's new EH118 EMC Dual Ridge Horn Antenna is the first in a new line of antennas for radiated emissions testing. The EH118 is applicable for commercial, military and automotive test standards and will include applicable calibrations. It includes a biconical antenna, a log-periodic array, a log/biconical hybrid and several dual-ridge horns to cover various frequency bands … [Read more...]
New 3.2 / 7.5 GHz Spectrum Analyzer Released
Rigol Technologies recently announced their new DSA832E 3.2 GHz spectrum analyzer, based on the small DSA800-series form factor. The analyzer is ideal for design and development implementing Wi-Fi, Bluetooth, and other RF standards. The 7.5 GHz instrument enables engineers to investigate the 3rd harmonic of all of their critical 2.4 GHz applications while the 3.2 GHz models … [Read more...]
New Stealth Technology Makes Russian Electronic Equipment Undetectable
(August 5, 2016) Russian scientists have developed a new ferrite-based fabric that promises to have the ability to make Russian military hardware much harder to detect for enemy electronic warfare systems. According to Sputnik News, "The new lightweight and highly flexible fabric, developed by the Rostec subsidiary JSC Ruselectronics, can protect the electronic equipment … [Read more...]
Radio Interference Caused by 1967 Solar Storm Nearly Started Nuclear War
(August 9, 2016) Business Insider reported that a colossal solar burst caused radio interference in 1967 that almost started a nuclear war. The "Great [Solar] Storm" of May 1967 caused widespread radio communications blackouts, and was seen as potential jamming from Soviet Russia. The Air Weather Service (AWS) — a relatively new branch of the Air Force — had warned military … [Read more...]
EMC Standards Package
This EMC Standards package includes standards that address the unintentional generation, propagation, and reception of electromagnetic energy, the associated unwanted effects, and the correct operation of different equipment involving electromagnetic phenomena in their operation. In the package: 220+ active, draft, and archived IEEE and ANSI EMC related standards; robust … [Read more...]
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