Spectrum Analyzer Fundamentals - Part II, presented by Bill Kardine, Application Engineer, of Rohde & Schwarz, expands on Part 1 of this recorded webinar. It explains more specific concepts relevant to spectrum analyzers, such as common analyzer measurements. Phase noise, dynamic range, and other frequently misunderstood specifications are explained, in addition to typical … [Read more...]
Military
MIL-STD-461G: The "Compleat" Review
Ken Javor, EMC Compliance January 2016 The deleted old, The brand-spanking new. That which was borrowed, And that, eschewed. MIL-STD-461G was released on 11 December 2015 and will become contractually obligatory on programs initiated after that date. This account is more than a simple laundry list arrived at by performing a side-by-side “F” vs. “G” … [Read more...]
Have Suspect Counterfeit ESD Packaging & Materials Infiltrated the Aerospace & Defense Supply Chain?
Have Suspect Counterfeit ESD Packaging & Materials Infiltrated the Aerospace & Defense Supply Chain? Bob Vermillion, CPP, Fellow Certified ESD & Product Safety Engineer - iNARTE RMV Technology Group, LLC NASA-Ames Research Center Moffett Field, CA 94035 According to the 12 February 2016 edition of the EE Times, President … [Read more...]
How Hedy Lamarr Invented Early Frequency-Hopping Technology
(By Kenneth Wyatt) A recent article by Intel describes how actress, Hedy Lamarr helped invent the first frequency-hopping anti-jamming system for torpedoes. The article describes, "A lonely immigrant from Austria slips out of her stage clothes and kicks off her heels. Carefully removing her movie makeup, she’s dissatisfied that she’s been overlooked for more significant … [Read more...]
U.S. NAVY Developing Wave Energy Conversion Device
The U.S. NAVY is researching a device that will convert wave motion to electricity to power emergency equipment in life rafts. The “Lifesaver", a ring-shaped buoy, is being tested to obtain operational data on this particular ocean renewable energy conversion technology. The buoy converts energy generated by passing waves into electrical energy. The Lifesaver project was … [Read more...]
North Korea Interferes with GPS Navigation Systems
Newsweek reported South Korean officials have accused North Korea of using radio waves to interfere with GPS navigation systems near the border between the two countries. This apparently occurred just after North Korea fired a short-range missile into the East Sea. South Korea’s Yonhap News Agency referred to this as an act of “defiance against mounting pressure to give up its … [Read more...]
CISPR Provides Standards for SmartGrid
CISPR’s (International Special Committee on Radio Interference) primary role is standardization in the field of control of emissions above 9 kHz from devices, and as such has published various standards that cover or can be applied to SmartGrid system emission measurements and control. To ensure protection of the radio frequency spectrum, emissions must be addressed … [Read more...]
New EMI Shielded Vents and Filters
Tech-Etch has EMI Shielded Honeycomb Vents, Fan Vents, Quiet Vents, and Air Filters from prototype to high volume in all shapes and sizes available now. Their in-house plating improves shielding effectiveness and environmental protection, while providing fast turnaround. Many RoHS compliant finishes are available. Honeycomb Vents are offered in both standard and custom … [Read more...]
Tektronix Expands USB-Based Real-Time Spectrum Analyzer Lineup
Tektronix, Inc., has expanded its line of USB-based real-time spectrum analyzers with 4 new higher-performance models targeting design, spectrum management and wireless transmitter installation and maintenance applications. The new RSA500 and RSA600 series of analyzers offer frequency coverage from 9 kHz up to 7.5 GHz with 40 MHz acquisition bandwidth, a measurement dynamic … [Read more...]
Air Force Concerned with Potential GPS Interference
Bloomberg News reports the "Air Force command that operates U.S. military satellites remains concerned that mobile broadband service proposed by the former LightSquared Inc. will interfere with GPS signals, its top official said." "General John Hyten, head of the Air Force Space Command, voiced his wariness before a House Armed Services panel Tuesday as the company, now called … [Read more...]
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