EDITOR’S PICKS

Boeing Completes Key Tests Of New Aircraft Satellite Antenna

Boeing has completed environmental and performance qualification testing on the aircraft satellite communications antenna system it is developing for multipurpose satellite operator Al Yah Satellite Company (Yahsat) of the United Arab Emirates.

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RECENT ARTICLES

  • Wireless Medical Technologies: Navigating Government Regulation In The New Medical Age
    Wireless Medical Technologies: Navigating Government Regulation In The New Medical Age

    Unless regulatory issues are taken into account at the earliest stages of the research and development process, device manufacturers could find themselves investing significant time and resources in products for which they cannot obtain government approval. In the U.S., three federal agencies, the Federal Communications Commission (FCC), the Food and Drug Administration (FDA), and the Centers for Medicare and Medicaid Services (CMS), are charged with regulating wireless medical devices. This article provides a comprehensive analysis of this tri-partite federal regulatory structure in order to help manufacturers navigate the myriad of technical rules and policies enforced by agencies with different, and sometimes divergent, objectives.

RF Chip Modeling In A Wireless World

Computer Aided Design (CAD) and Computer Aided Engineering (CAE) have become ubiquitous in 21st century design and engineering fields.  Designers from all disciplines have capabilities that they, themselves, only dreamed of several years ago.  The RF and microwave fields have their own set of challenges, and a designer must learn to choose the appropriate tool for the job, even as much of the latest simulation technology has become far easier to use than previous generations of tools.

Cost Of Ownership Comparison: SSPA Vs. TWTA Systems

Solid state circuitry has been steadily replacing vacuum-tube technology since its invention in 1948. Beginning with the early transistor radio receiver, and continuing with the television receiver and the computer, solid state systems have become ubiquitous in our society. The following discussion examines some of the factors that are enabling the proliferation of solid state technology in the microwave amplifier field. The article serves to introduce the operational differences between solid state and tube technology.

Gyro-Stabilized Turrets Provide Real Time Imaging

Lightweight, high-efficiency servomotors stabilize and position sensor turrets on unmanned aerial vehicles.

Robotics Aid In UGV Design

Miniature unmanned ground vehicles reliably perform reconnaissance in the harshest environments, with the help of compact, high-torque servo motors. These motors had to fit into a small form factor without interfering with an exhaustive list of components, including sensors and a radio transceiver. 

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FROM THE EDITOR'S DESK

  • Amazon’s New Smartphone Boasts High-End RF And Imaging Components
    Amazon’s New Smartphone Boasts High-End RF And Imaging Components

    On July 25, Amazon released its first smartphone, and it didn’t take long for the internal components of the device to get leaked.

  • 4 Electronic Design Requirements Of The System-Integrated Soldier
    4 Electronic Design Requirements Of The System-Integrated Soldier

    Perhaps most famously portrayed in Robert Heinlein’s Starship Troopers (1959), the idea of the “future soldier” has been around for decades. As rehashed in countless science fiction films and video games, the stereotypical future soldier is equipped with a protective exoskeleton, enhanced sensory equipment, seamless communication systems, and advanced weaponry. While the concept once seemed implausible, there are many real-world projects under way focused on realizing those seemingly fictitious warfighter capabilities — by integrating a plethora of diverse electronic subsystems into a cohesively operational suit.

  • 7 Noteworthy Technologies From IMS2014
    7 Noteworthy Technologies From IMS2014

    At the 2014 IEEE MTT International Microwave Symposium earlier this month, I had the opportunity to speak with the event’s general chair, Dr. Larry Dunleavy, about the state of the RF and microwave design industry. While he acknowledged that it is a time of relative uncertainty — due in large part to constrained military budgets and conservative fiscal forecasts for 2014 — he also pointed out that there are plenty of emerging markets where RF and microwave technology is making a significant impact. With the Internet of Things (IoT) driving innovation in burgeoning markets like automotive and healthcare  and the development of 5G pushing wireless technology to further heights, there was good reason for nearly 600 companies to flock to the IMS2014 exhibition in Tampa, Fla.

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GUEST COLUMNS

  • GaAs And GaN Capabilities On Display At Farnborough
    GaAs And GaN Capabilities On Display At Farnborough

    The UK was host to air shows recently with the annual Royal International Air Tattoo (RIAT) and the biennial Farnborough International AirShow (FIA) 2014. I had the opportunity to attend a Lockheed Martin F-35/F-16 preview day held at RAF Fairford, the venue for RIAT, as well as taking a few days to attend FIA 2014.

  • Lockheed Martin Previews F-35 Lightning II "Fighter Of The Future"
    Lockheed Martin Previews F-35 Lightning II "Fighter Of The Future"

    The U.K. was host to air shows recently with the annual Royal International Air Tattoo (RIAT) and the biennial Farnborough International AirShow (FIA) 2014. In this article, Asif Anwar from Strategy Analytics describes his experience at the Lockheed Martin F-35/F-16 preview day held at RAF Fairford, the venue for RIAT, and provides an overview of the new capabilities of each aircraft.

  • EM De-Embedding Magic – Part 3: What Could Possibly Go Wrong?
    EM De-Embedding Magic – Part 3: What Could Possibly Go Wrong?

    In Part 1, I described the EM analysis port calibration algorithm that I developed almost 30 years ago and has been in use in Sonnet ever since. At first glance, it might seem like the technique can be applied only to “lonely” ports — ports that have no interaction or coupling with any other nearby ports. In Part 2, I showed how the algorithm can be easily extended to calibrate and de-embed as many tightly coupled ports as needed. Yes, a couple equations are needed, but once you get familiar with them, the process is really easy to do. Everything works so well, one might think that nothing could possibly go wrong.

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RF GLOBALNET WELCOMES OUR NEWEST SUPPLIER

RF Globalnet Welcomes Our Newest Supplier

Bliley Technologies is a worldwide leader in the design and manufacturing of low noise frequency control products. Privately owned and operated since 1930, our dedicated employees, utilizing our 64,000 square foot manufacturing facility located in Erie PA, have been a stable source of quality frequency control products for our customers for over eighty years. In fact, Bliley remains one of the very few US - based companies to have crystal and oscillator manufacturing within the same facility.  Bliley's vertical integration provides an ideal environment for our crystal, oscillator and mechanical engineers to work closely with our production employees to develop and produce some of the most robust designs offered in our industry. Learn More.

EM SIMULATION FOR SPACE APPLICATIONS

Many of the components and systems operating in space are affected by electromagnetic fields. CST STUDIO SUITE® contains high-frequency, low-frequency, multiphysics and charged particle solvers for simulating and investigating the electromagnetic (EM) performance of individual components as well as entire EM systems. To demonstrate these space applications, CST is hosting a workshop with customer presentations from Airbus Defence and Space and Thales Alenia Space in September. Read more.

FEATURED PRODUCTS

Amplifiers- 6.5 Watts CW, 0.8 to 4.2 GHz

Amplifiers- 6.5 Watts CW, 0.8 to 4.2 GHz

The Model 5S1G4 amplifier is a solid state, self-contained, air-cooled, broadband amplifier designed for applications where instantaneous bandwidth and high gain are required. Housed in a stylish contemporary cabinet, the unit is designed for benchtop use, but can be removed from the cabinet for immediate equipment rack mounting.
RFID Applications Of FEKO

RFID Applications Of FEKO

Radio Frequency Identification (RFID) systems have been in use for various applications in the past, and recently they are gaining more popularity due to their application to retail supply chain management. FEKO, with various full wave and hybrid numerical methods available, can be used for analyzing and optimizing RFID system performance. This application note briefly discusses EM characterization of using FEKO for simulating RFID tags, readers, tag placement, tag/reader coupling, and tag/reader systems in complex environments.
Glass-to-Metal Feedthrus

Glass-to-Metal Feedthrus

Corry Micronics offers DC and 50-ohm glass sealed feedthrus. These feedthrus are available in standard and customized packages...
Integrated Receiver Front Ends

Integrated Receiver Front Ends

CPI uses ferrite circulator and balanced hybrid duplexing technology to manufacture integrated receiver front ends with low noise figure and high power handling capabilities. The available datasheet contains information on typical operating parameters, and additional product images.

NuPower™ Mini Multi-Octave Power Amplifier:  225 MHz to 2.6 GHz, 10 W, 1.95 in<sup>3</sup>

NuPower™ Mini Multi-Octave Power Amplifier: 225 MHz to 2.6 GHz, 10 W, 1.95 in3

This MOPA (multi-octave power amplifier) is ideal for applications involving unmanned aircrafts, ground vehicles, and surface vehicles, as well as test labs, broadband RF telemetry, software defined radios, and RF communications systems.

Repair Depot Services

Repair Depot Services

dB Control offers repair, replacement, and refurbishing services for high- and low-voltage power supplies and TWT Amplifiers. Additional capabilities include modern encapsulation and potting, troubleshooting/repair of PCB assemblies and potted modules, incoming inspection and evaluation reports, and more.

SRS3019: 5 TO 3000 MHz Single-Pole Double-Throw Switch

SRS3019: 5 TO 3000 MHz Single-Pole Double-Throw Switch

The SRS3019 is a 5 TO 3000 MHz single-pole double-throw switch from Teledyne Microwave Solutions featuring a storage temperature of -62 to +125° C, and a maximum DC voltage of +25 Volts

Compact Ceramic Transmit Combiners

Compact Ceramic Transmit Combiners

Bird Technologies, TX RX Systems brand, Ceramic Transmit Combiners combine multiple transmitters onto a single antenna. With a footprint that’s more than 50% smaller than comparably performing 10” cavities. This optimizes valuable space for your radio equipment, which in an era of escalating lease costs, makes it the perfect solution for expansion. And because of our modular design, you can purchase in single-channel increments.

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FEATURED SUPPLIERS

Bliley Technologies, Inc.

Bliley Technologies, Inc.

Bliley Technologies is a worldwide leader in the design and manufacturing of low noise frequency control products. Privately owned and operated since 1930, our dedicated employees, utilizing our 64,000 square foot manufacturing facility located in Erie PA, have been a stable source of quality frequency control products for our customers for over eighty years. In fact Bliley remains one of the very few US based companies to have crystal and oscillator manufacturing within the same facility. Bliley's vertical integration provides an ideal environment for our crystal, oscillator and mechanical engineers to work closely with our production employees to develop and produce some of the most robust designs offered in our industry.

Remcom

Remcom

Remcom provides innovative electromagnetic simulation software and consulting services. Our products simplify the analysis of complex EM problems and lead the market in FDTD-based modeling and simulation.

Northrop Grumman Microelectronic Products & Services

Northrop Grumman Microelectronic Products & Services

Northrop Grumman Microelectronic Products & Services (MPS) is a leader in the design and fabrication of high speed components for established and emerging commercial markets, including cellular and broadband wireless systems as well as aerospace, defense and scientific applications.

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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 wearable antennas for military applications, countering EMI threats, biological and chemical threat detection, advances in optical sensing, and more.

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CURRENT HEADLINES

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 INDUSTRY EVENTS

RAN World 2014

November 3 - 4, 2014
Berlin

DesignCon 2015

January 27 - 30, 2015
Santa Clara, CA
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ABOUT RF GLOBALNET

RF Globalnet is the Internet's leading source of cutting-edge technical information for the RF/microwave design community. If you are an RF/microwave design engineer or engineering manager involved in the design and development of wireless subsystems and components, or military and other radio-based communication systems at all levels, you now have access to a comprehensive web community delivering the latest updates on RF technology to give you the competitive advantage in your industry.

To provide this technical information, the site offers detailed coverage of the design and development of RF/microwave subsystems and components such as amplifiers, oscillators, modulators, attenuators, mixers, resonators, frequency synthesizers, filters, coaxial cables, connectors, switches, antennas, intergrated circuits (ICs), modules, transmitters, receivers, and transceivers. The site also includes information on discrete components such as diodes, inductors, capacitors, transistors, and resistors. We also examine the technology that creates and verifies the design, namely test and measurement equipment, computer-aided-design (CAD) tools and electronic design automation (EDA) software, among others.

RF Globalnet's database is structured to serve the needs of RF/microwave design engineers, engineering managers, system integrators, product specifiers, business executives, consultants, and others involved in the design and development of commercial wireless systems, military devices, and other commercial communication systems. Reflecting the dynamic and interactive character of the Internet, RF Globalnet is the most accurate and convenient technical source of design, product, and news information available for the rapidly changing and growing RF/microwave design industry.

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