EDITOR’S PICKS

Metamaterial With Inherently Robust Sound Transport
Metamaterial With Inherently Robust Sound Transport

Researchers at the Advanced Science Research Center (ASRC) at The Graduate Center of The City University of New York and at the City College of New York (CCNY) have developed a metamaterial that can transport sound in unusually robust ways along its edges and localize it at its corners.

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RECENT ARTICLES

  • Countering Small Unmanned Aircraft Systems (sUAS)
    Countering Small Unmanned Aircraft Systems (sUAS)

    The small Unmanned Aircraft Systems (sUAS) market has experienced exponential growth with the advent of brushless electric motors and high energy density lithium batteries. This means that the average person can shoot aerial photographs and video, capture extreme sports moments, and enter the sport flying hobby with aircraft that are electronically stabilized and considerably less expensive to own and operate. However, this also increases potential for weapon platforms, privacy violations, and interference.

Optimizing RF And Microwave Spectrum Analyzer Dynamic Range

Dynamic range specification determines whether or not low-level signals will be visible in the presence of large signals and therefore is one of the most important performance figures for a spectrum analyzer. 

Building A Fixture For C-Band Satellite Communications Power Amplifier Applications Using Two GaN HEMTs

Wolfspeed, a Cree Company, developed an application circuit that demonstrates the ability for their CGHV1F025S to operate between 4400 MHz to 5000 MHz for satellite communication applications. The circuit utilizes two devices connected using a Wilkinson combiner in a balanced configuration. This application note describes the typical performance that has been achieved and what can be expected when evaluating the application fixture.

The Essential Signal Generator Guide Building A Solid Foundation In RF – Part 1

Selecting the right testing instrument for a project is essential to get products to market faster. This is Part 1 of a two-part white paper discussing signal generators. This paper offers an overview of the fundamentals of signal generators, enabling users to make the right decision when selecting one for different applications.

What’s Best? Wi-Fi 6 (802.11ax) Or 5G?

Every time a new cellular phone standard comes out, we see new claims about the “end of Wi-Fi.” When 3G was announced, the promise was that it would make Wi‑Fi (802.11b) redundant, which clearly turned out to be incorrect. With 4G (LTE), this story repeated itself and claimed it would put Wi‑Fi (802.11ac) in the shredder. And now the 5G message is that it will cover both the inside and outside of homes and buildings. It’s almost as though Wi‑Fi will soon no longer be needed. This begs the question: What will be the impact of the next generation of Wi‑Fi, Wi-Fi 6 (802.11ax)? Do we even need it in the 5G/wireless landscape? This article discusses the answers.

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PRODUCT SHOWCASE

Programmable Attenuator
Programmable Attenuator

Model 50P-1320 is a solid-state programmable attenuator with an attenuation range of 0 to 127 dB in 1-dB steps

  • 18 To 26.5 GHz Broadband TWT Amplifier
    18 To 26.5 GHz Broadband TWT Amplifier

    130 Watts CW 18 To 26.5 GHz Broadband TWT Amplifier. The Model 130T18G26z5 is a self contained, forced air cooled, broadband traveling wave tube (TWT) microwave amplifier designed for applications where wide instantaneous bandwidth, high gain and moderate power output are required. A reliable TWT provides a conservative 130 watts minimum at the amplifier output connector

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FEATURED VIDEOS

  • Narda Signal Shark vs. Anritsu Spectrum Master Analyzer
    Narda Signal Shark vs. Anritsu Spectrum Master Analyzer

    Narda Safety Test Solutions demonstrates a dynamic range comparison of different spectrum analyzers and receivers. This video compares the best-in-class handheld spectrum and network analyzer, portable radio monitoring receiver, and real-time spectrum analyzer.

  • Sky5™ Makes 5G Work
    Sky5™ Makes 5G Work

    Today’s shift towards faster 4G networks has transformed our world with entirely new mobile apps with higher connectivity. In the growing Internet of Things, these faster networks are extremely important for the seamless transfer of high amounts of data. 5G networks are the future technology that will connect the world we live in.

  • Introduction To GNSS Low-Noise Amplifier Front-End Modules With Integrated Pre-Filters And Post-Filters
    Introduction To GNSS Low-Noise Amplifier Front-End Modules With Integrated Pre-Filters And Post-Filters

    Skyworks offer two new front-end modules (FEMs) for GNSS/GPS/GLONASS/Galileo/Compass/QZSS radio receiver applications in the 1559 to 1606 MHz frequency range. The SKY65933-11 and the SKY65943-11 feature an integrated low noise amplifier (LNA), and a pre-filter and post-filter. Both devices use surface-mount technology (SMT) in the form of a 2.5 x 2.5 mm Multi-Chip Module (MCM) package, which allows for a highly manufacturable and low-cost solution.

  • Introduction To 860 To 930 MHz RF Front-End Modules SKY6642x Series
    Introduction To 860 To 930 MHz RF Front-End Modules SKY6642x Series

    Skyworks’ newest family of compact, high performance RF front-end modules (FEMs) is specifically designed for LPWAN – supporting LoRa®, SigFox and other unlicensed band technologies – as well as high-power Industrial, Scientific, Medical (ISM) applications operating in the 860-930 MHz frequency range.  These new solutions deliver improved sensitivity and more than quadruple the operating range versus a standalone system-on-chip (SoC).

  • AR’s new COO, John Kim, At The 2018 IEEE EMC Symposium
    AR’s new COO, John Kim, At The 2018 IEEE EMC Symposium

    AR’s new COO, John Kim, gives a quick summary of the AR service oriented culture and divisions worldwide at the 2018 IEEE EMC Symposium. #AR50YearsStrong

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FEATURED SUPPLIERS

Krytar Krytar

Directional Couplers|Dual Directional Couplers|3 dB 90 Degree Hybrid Couplers|3 dB 180 Degree Hybrid Couplers|MLDD Power Dividers|Planar Doped Barrier Detectors|Zero Bias Schottky Detectors|Directional Detectors|CoaxialTerminations|Power Meter & Power Sensors

A.H. Systems A.H. Systems

A.H. Systems manufactures a complete line of affordable, reliable, individually calibrated EMC Test Antennas, Preamplifiers, Current Probes and Low-Loss, High - Frequency Cables that satisfy FCC, MIL-STD, VDE, IEC and SAE testing standards.

dB Control dB Control

Established in 1990, dB Control Corp., a subsidiary of the Electronic Technologies Group (ETG) of HEICO Corp., supplies mission-critical, often sole-source, products worldwide to military organizations, as well as to major defense contractors and commercial manufacturers.

Skyworks Solutions, Inc. Skyworks Solutions, Inc.

Skyworks is the industry’s leading wireless semiconductor company focused on RF and complete semiconductor systems for mobile communications applications...

ELECTRONIC MILITARY & DEFENSE MAGAZINE

Electronic Military & Defense was developed as a resource for engineers, program managers, project managers, and other professionals involved in the design and development of electronic and electro-optic systems for a wide range of defense and aerospace applications. Check out the digital edition of our latest issue for exclusive editorial on open architecture and standards applied to defense applications, overlooked EMC vulnerabilities, microfabrication, display technologies, and more.

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 INDUSTRY EVENTS

Radio Wireless Week January 20 - 23, 2019
Orlando, FL
Military Radar Summit 2019 March 12 - 14, 2019
Washington, DC
AUVSI XPONENTIAL 2019 April 29, 2019 - May 2, 2019
Chicago, IL
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