Don White Consultant, Don White Consultants Jerry Emanuelson Consultant Part 1 of this article addressed a proposed national plan for U.S. EMP protection. Part 2 of the article presents methods and techniques for EMP protection of buildings, solar rooftops and other structures. As such, Part 2 covers details of shielding, bonding, grounding, and cable or device surge … [Read more...]
Military
Inexpensive Radiated Immunity Pre-Compliance Testing
As an EMC consultant, it seems that lately I’ve run into many client projects where radiated immunity has cropped up as the major issue. One reason for this may be the trend in using digital and analog circuits that are powered by 3.3 volts, and lower, which decreases noise margins significantly. Sensitive analog circuitry is also greatly affected. The compliance testing for … [Read more...]
MIT Study Sparks White Sands-SunZia Interference Debate
A new Massachusetts Institute of Technology study on the potential impacts of the proposed SunZia transmission line on White Sands Missile Range validates concerns regarding the project, a U.S. state lawmaker said earlier this week. Speaking to reporters during a telephone conference call on Tuesday, U.S. Congressman Steve Pearce of New Mexico said the study, which has not … [Read more...]
Armored Coaxial Test Cables Withstand Harsh Environments
Microwave and RF component supplier Fairview Microwave has introduced a new line of armored coaxial test cables designed to withstand punishing environments such as production line testing and continual in-the-field use. The new armored cables from Fairview are available in several standard lengths from 24 to 60 inches with either SMA or N-Type connectors, which are … [Read more...]
Medium and High Power RF Loads Protect Equipment from Power Surges
RF and microwave products manufacturer Pasternack Enterprises, Inc. has released new lines of medium and high power RF loads. These new RF loads, also known as RF terminations, are often used in aerospace, military/defense and test and measurement applications in order to protect radios and amplifiers under test from excess power in the system. A total of 24 new RF loads are … [Read more...]
EMS Test Platform Covers Common Frequencies and Field Strengths
EMC test solutions provider Rohde & Schwarz has announced it will be showcasing the R&S CEMS100—the first off-the-shelf solution for EMS testing—and other EMC testing equipment at the International Exhibition with Conference on Electromagnetic Compatibility (EMV 2014) in Duesseldorf, Germany in March. According to the company, the new standardized R&S CEMS100 test … [Read more...]
Wideband High-Power Notch Filters Reduce Cosite Interference
MtronPTI, a manufacturer of custom RF/microwave filters and frequency control products, has released the new LF9454 and LF9455 GPS band reject filters designed to reduce cosite interference from jamming systems. “Battlefield success starts with controlling the electromagnetic spectrum; but electronic countermeasures – jammers – can drown out sensitive GPS receivers on the same … [Read more...]
Signal and Spectrum Analyzer Features 500 MHz Bandwidth
Rohde & Schwarz has announced the availability of the new R&S FSW-B500 hardware option for all analyzers of the R&S FSW family, enabling measurements in a frequency range up to 67 GHz for applications including research and development, radar and satellite and testing of wireless connections such as WLAN or Beyond 4G (5G). According to the company, the large … [Read more...]
Boeing Demonstrates New Anti-Jamming Technology
New anti-jamming technology tested by The Boeing Co. earlier this week may make it easier and less expensive for the U.S. military to send secure communications via existing satellites. During the Dec. 15 demonstration, Boeing sent a protected signal through the sixth Wideband Global SATCOM (WGS-6) satellite. Engineers confirmed that the signal met all targets for accuracy and … [Read more...]
EMI/RFI Shielding Silicones Meet MIL-DTL-83528 Specifications
Elasto Proxy, a supplier of specialty seals and custom insulation, has released new EMI/RFI shielding silicones that meet the MIL-DTL-83528 specification for electrically-conductive elastomeric gaskets with shielding. Aerospace, military, electronics, and communications equipment customers who need EMI/RFI conductive silicone compounds can chose ultra-thin sheets and rolls … [Read more...]
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