Products: RF & Microwave Electronics
Signal Analyzer

Agilent Technologies (Santa Clara, CA) has introduced the N9030A PXA signal analyzer, which provides frequency coverage up to 26.5 GHz and features up to 75 dB spurious-free dynamic range at 140-MHz analysis bandwidth. It...

Products: RF & Microwave Electronics
Chip Attenuator

International Manufacturing Services (Portsmouth, RI) offers the VGX-3725WA high-power 0.375 x 0.250" aluminum nitride chip attenuator that includes wraparound terminals for solder or epoxy attachment. It dissipates 100W at a...

Products: RF & Microwave Electronics
RF Switch Matrices

Pickering Interfaces (Clacton on Sea, UK) offers 60-730 and 60-770 RF matrices that are designed for switching signals to frequencies up to 2.5 GHz. The 60-770 is a 50Ω RF matrix available in 32×8, 24×8, 16×8, and...

Application Briefs: RF & Microwave Electronics
Ballistic Radomes for Communications Antennas

The Army Digitized Force requires a robust communications infrastructure for its superior IT/C4ISR (Information Technologies/Command, Control, Communications, Computers, Intelligence, Sur veil...

Today, modern radio designs have made a predominant shift to the software-defined radio architecture. From cellular handsets to military communications devices, the flexibility to use multiple...

Application Briefs: RF & Microwave Electronics
High-Cycle Life Testing of RF MEMS Switches

MEMS switch technology has many potential benefits over conventional electronic devices for switching microwave and millimeter-wave signals. MEMS switches possess very low insertion loss, miniscule...

Articles: RF & Microwave Electronics
Synthetic Aperture Radar Image Recognition

Synthetic radar image recognition and classification are areas of interest for both the military and civilian communities. These tasks have significance in automatic target recognition, air traffic...

Application Briefs: RF & Microwave Electronics
New All-Digital RF Technology Simplifies the Radio Environment

The concept of a software or “cognitive” radio has been around for about 20 years, and has progressed to the point where open-source software code is available. A cognitive radio is “smart” in the sense that it is continuously aware of changes in radio frequency (RF) spectrum...

Articles: RF & Microwave Electronics
Wireless Sensor Network with Geolocation

Maintaining situational/positional awareness in indoor and urban environments is difficult because buildings, walls, and other obstacles obstruct vision and RF propagation. Propagation channels are...

Articles: RF & Microwave Electronics
Prognostic Health Management of an RF System Using GPS

Prognostic health management (PHM) of electronic systems presents challenges that traditionally were not worth the cost of pursuit. Recent changes in weapons platform acquisition and...

There are several applications for phased arrays in Army communication systems. This spans frequency bands ranging from UHF to Ka bands and performance requirements that include...

Articles: RF & Microwave Electronics
Prototyping Advanced Military Radar Systems

Radar receiver design is seeing an increase in the number of digital tuning and digital signal processing (DSP) functions moved from back-end single-board computers into fixed front-end hardware...

The Global Precipitation Measurement (GPM) mission will initiate a new era in precipitation measurement in terms of its global extent and frequency of...

Application Briefs: RF & Microwave Electronics
Microwave RF Amplifier Boosts Communications Power

When you watch TV or use a cell phone, amplifiers make the signal stronger or the voice clearer. A hybrid, high-powered microwave amplifier from Aria Microwave Systems of Teaneck, NJ enables...

Application Briefs: RF & Microwave Electronics
Portable Antenna Helps Hurricane Survivors Communicate

Victims of Hurricane Katrina found peace of mind in the aftermath thanks to an inflatable antenna that enabled emergency satellite communications for displaced Mississippians.

Electric-breakdown and vibration tests were performed on one-patch and two-patch versions of a prototype of a patch antenna designed to radiate a continuous- wave or pulsed signal in...

An experimental phased-array microwave antenna assembly includes an array of eight patch antenna elements connected to Microelectromechanical System (MEMS) phase shifters, by means of...

Briefs: Electronics & Computers
Design Study of a C-Band Crestatron

A design study of a crestatron that would operate in the frequency range from 3 to 6 GHz (which overlaps with the C band) has been performed. The basic crestatron concept was developed during the...

A continuing development effort focuses on implementation of a Global Positioning System (GPS) waveform under the Software Communications Architecture (SCA). [As used within the special technological...

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