EDITOR’S PICKS

How Bats Recognize Their Own 'Bat Signals'
How Bats Recognize Their Own 'Bat Signals'

Individual bats emit sonar calls in the dark, using the echo of their signature sounds to identify and target potential prey. But because they travel in large groups, their signals often "jam" each other, a problem resembling extreme radar interference. How do bats overcome this "cocktail party" cacophony to feed and survive in the wild?

  • Galileo Signals Covering More Of The Sky
    Galileo Signals Covering More Of The Sky

    Europe’s ninth and tenth Galileo satellites have started broadcasting working navigation messages.

  • Google’s Planning To Deliver Super-Fast 5G Internet From Solar-Powered Drones
    Google’s Planning To Deliver Super-Fast 5G Internet From Solar-Powered Drones

    Google’s been secretly trialling a drove of 5G Internet-compatible drones out in New Mexico that have the potential to transmit gigabits of data every second - that’s 40 times more data than the world's fastest wireless services.

  • A Highway For Spin Waves
    A Highway For Spin Waves

    The success story of information processing by way of moving electrons is slowly coming to an end. The trend towards more and more compact chips constitutes a major challenge for manufacturers, since the increasing miniaturization creates partly unsolvable physical problems.

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RECENT ARTICLES

  • GaN MMIC PAs Support The Rapid Growth Of Ku Band Applications
    GaN MMIC PAs Support The Rapid Growth Of Ku Band Applications

    Ku Band has become an essential part of the radio frequency spectrum since it was opened for satellite communications over two decades ago. New systems within commercial satellites use the Ku Band to provide worldwide coverage, which is especially attractive for government and military communications. Since the future of this band generates such a high interest, Wolfspeed, a Cree company, offers Ku Band power products using its proven fabrication process of GaN on silicon-carbide substrates. This white paper discusses the new GaN MMIC PAs and how they are able to support the future growth of Ku Band applications.

Optimization Of Torque In A Permanent Magnet Synchronous Motor (PMSM) For Traction Applications

This article provides a summary of the simulation and optimization of 200 Hz, 8-pole permanent Magnet Synchronous Motor (PMSM) that is typically used for traction applications in automotive and transportation systems.

Modeling And Simulation Of Metamaterial-Based Devices For Industrial Applications

Metamaterials provide great potential for new technology developments, making existing devices smaller, faster, and more efficient. A wide variety of metamaterials produce electromagnetic phenomena that are not seen in natural materials. Simulation can be used when developing new materials to analyze both the bulk property of the material and individual element. This article demonstrates how CTS STUDIO SUITE is used to simulate and design metamaterials from the design of the resonator to the implementation in a full device.

Accuracy Of DTF Measurements On New Spools Of Transmission Line

DTF measurements of raw spools of cable can be made accurately enough in the field to identify handling damage with a reasonable uncertainty bound. This measurement compliments other specification based measurements already done on the spools using frequency domain data. It is important to realize that the same cannot be said for DTF testing of complete antenna systems. In this circumstance, the frequency limiting aspects of the system and the ambiguity in the load termination (antenna) make pass/fail testing of components in the entire system problematic. This white paper discusses the best course of action to take for making baseline measurements for future comparison, and provides measurement examples.

Introducing A Better Alternative For Advanced Electronic Warfare Solutions

This white paper examines the EW landscape, the role of Open Systems Architectures within EW, as well as how Mercury Systems presents a better way forward for the future of EW that meets the challenges of today and tomorrow.

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PRODUCT SHOWCASE

3 GHz Signal Generator: Model 835-3
3 GHz Signal Generator: Model 835-3

The 835-3 signal generator covers the 9 kHz to 3.3 GHz frequency range. It’s been designed as an alternative to bench-top RF signal generators and is an ideal solution for applications that require a high-quality CW source.

  • Test Mobile Phone For Trace Data Recording: R&S ROMES2GO
    Test Mobile Phone For Trace Data Recording: R&S ROMES2GO

    This test mobile phone can record and store QoS and performance data in 3GPP mobile radio networks. No measurement data is lost, and all data is time stamped and saved to the phone itself or a memory card. GPS receivers can also identify the location in which the measurement was carried out. Measurement results are displayed via an LC screen alphanumerically and graphically.

  • dB-3906 TWT Amplifier
    dB-3906 TWT Amplifier

    The dB-3906 TWT Amplifier (TWTA) is designed to use two wideband, periodic permanent magnet (PPM)-focused TWTs to amplify CW, AM, FM or pulse-modulated signals. The dB-3906 offers higher saturated output power and improved harmonic performance when compared to a single TWT approach.

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Greenray Industries, Inc. Greenray Industries, Inc.

Greenray Industries a leading designer and manufacturer of precision frequency control products designed for communications, military, aerospace, and instrumentation applications...

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Communications & Power Industries, Beverly Microwave Division Communications & Power Industries, Beverly Microwave Division

CPI BMD is the world’s largest manufacturer of receiver protectors and magnetrons. We also manufacture TWTs, CFAs, transmitter assemblies, scientific systems, high-power solid state switches and switch assemblies, pressure windows, a wide variety of multifunction components and Integrated Microwave Assemblies.

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 securing the 21st century's greatest warfare asset, considerations for phase-coherent microwave measurements, using FPGAs for tuning systems to military functions, using printed energy harvesters for military, and more.

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