Technology Update: RF & Microwave Electronics
Small, Sensitive Antennas

Researchers create metamaterials by carefully designing and fabricating novel structures to exhibit patterns of electromagnetic properties—specifically, dielectric permittivity and/or magnetic permeability—at the micro-or nano-scale. This special spatial arrangement of elements ensures that the volumetric arrays...

Department of Defense representatives were in attendance during a recent event where two of the low-power devices, which can change beam directions in a thousandth of a second, were demonstrated in...

News: RF & Microwave Electronics
Army to Get New IED Detector Technology

Detecting improvised explosive devices in Afghanistan requires constant, intensive monitoring using rugged equipment. When Sandia researchers first demonstrated a modified miniature synthetic aperture...

Imaging and mapping of electric fields at radio frequencies (RF) currently requires the use of metallic structures such as dipoles, probes, and reference antennas. To make...

Articles: RF & Microwave Electronics
Optimizing DSP Techniques for Antenna Site Software Radio

Many applications can benefit from pushing software radio functions up the mast to the antenna as a viable alternative to traditional rack-mounted receiver systems. New technology...

Radar is used to detect and/or track target objects and their attributes, such as range, speed, and other information obtained through signals at RF and microwave frequencies. The...

When a missile is launched against an enemy target, it would be nice to have a lot of good information about that target. But when "decision makers push the fire button, they may have...

A dynamically reconfigurable, wideband programmable RF FPGA transceiver will provide reduced lifecycle cost, reduced redesign cost, and service for multiple DoD platforms, while maintaining near-optimal...

Communication is key to just about any endeavor. NASA’s ability to update and modify communication capabilities to reflect the latest upgrades without impacts to mission time...

Articles: RF & Microwave Electronics
Automated Testing Ensures Top Performance of Army Radios

To keep soldiers safe and the lines of communication open, frequent testing of radios used on the battlefield is imperative. That testing is becoming more automated and efficient with...

This article introduces the rationale and techniques involved with MIMO (Multiple-Input Multiple-Output)-based communication systems. The communication impairments due to...

Consumers have shown that they are eager to be rid of cabling and wires connecting them to devices situated or worn near or on the body. From athletic monitoring devices to...

Researching fault location techniques for the oil industry requires data on the complex permittivity of the polyamide Rilsan at microwave...

Future trends for military radar require multifunction systems that combine radar, communications, and electronic warfare. This higher level of functional integration...

The recent tragic events at the Boston Marathon illustrate the growing and critical need for the detection of person-borne improvised explosive devices (PBIEDS). Such systems, in...

For the capable RF engineer, continuous- wave (CW) and predictably repeating signals are no great challenge. However, design and troubleshooting become difficult when dealing with...

The Eurofighter Typhoon is a state-of-the-art combat aircraft. BAE Systems has been working with other leading aerospace companies to make sure the Eurofighter Typhoon...

Articles: RF & Microwave Electronics
Improving Signal to Noise Ratios in Defense Electronics

As a vertical market, “defense electronics” encompasses a huge range of systems, from portable communications to transportation, avionics, and shipborne radar. While the power...

An automated simulation-based design cycle has become a fundamental part of the success of one of today’s leading designers of traveling wave tube (TWT) microwave...

The rapid evolution of commercial technologies such as Long Term Evolution (LTE) is becoming more attractive for Software-Defined Radio (SDR) and public safety...

Successful integration of an antenna onto a vehicle platform poses many challenges. Vehicle features impact antenna performance by blocking, reflecting,...

Articles: Test & Measurement
Testing Modern Radios

Several techniques are now being employed to ensure efficient communications across the chaotic radio spectrum. Chief among them is Software Defined Radio (SDR), which uses software to dynamically control communications...

With its international headquarters in Germany, IAV Automotive Engineering is one of the leading engineering and design providers for the automotive industry, working for...

Imagine an explosive ordnance disposal (EOD) unit on a routine scouting patrol deep in the notorious “Triangle of Death” south of Baghdad, where marines, sailors, and soldiers...

Briefs: RF & Microwave Electronics
Modeling Supports Energy-Saving Microwave Technologies

During the Apollo Program, astronauts on the Moon encountered a small menace that created big problems: lunar dust. Similar to how tiny bits of Styrofoam behave on Earth — adhering to...

Products: RF & Microwave Electronics
Radio Amplifier

AR Modular RF (Bothell, WA) has received JITC certification for its KMW2030 tactical radio amplifier system when used with the Harris PRC-117G tactical radio. It has been previously certified for use with the PRC 117F and the...

Products: RF & Microwave Electronics
GPS Protector

Times Microwave (Wallingford, CT) offers the Times-Protect® LPGPX- 05-T high-performance lightning protector for RF communications networks. The DC pass design enables protection of GPS receivers requiring up to 5Vdc power to...

Products: RF & Microwave Electronics
Power Amplifiers

Hittite Microwave Corp. (Chelms ford, MA) has introduced three power amplifier die products for microwave and millimeterwave radios, Ka-band VSAT, and military and space applications from 27.5 to 46.5 GHz. The HMC1014 is a...

Products: RF & Microwave Electronics
Receiver/Monitor

Integrated Microwave Technologies (Mt. Olive, NJ) offers the PSRX6-D Portable Surveillance Receiver, a portable ruggedized, six-way COFDM (DVB-T compliant) diversity receiver/monitor. The unit displays COFDM video...

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