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Products RF & Microwave Electronics
Gain Horn Antennas
The 600 Series standard gain horn antennas from Narda, an L-3 Communications company (Hauppauge, NY), are suitable for EMI and EMC testing applications covering waveguide bands from 2.6 to 40 GHz. Seven models cover 2.6 to...
Products RF & Microwave Electronics
Microwave Power Sensors
Anritsu (Morgan Hill, CA) offers MA24108A/ MA24118A microwave USB power sensors that provide average power measurements from 10 MHz to 18 GHz over 60 dB of dynamic range. Employing a dual-path architecture, they can...
Products RF & Microwave Electronics
Compact Antennas
Antenna Factor (Merlin, OR) offers the HW Series 1⁄2-wave center-fed dipole antennas and 1⁄4-wave monopole antennas that attach using an FCC-compliant RP-SMA connector or standard SMA connector. The 1⁄2-wave dipoles are...
Products RF & Microwave Electronics
Power Transistor
RF Micro Devices (Greensboro, NC) offers the RF3931, a 48-volt, 30-watt gallium nitride (GaN) power transistor in a hermetic, flanged, ceramic package. It enables the development of high-efficiency HPAs for a range of...
Products RF & Microwave Electronics
Multilayer Capacitor Chips
The UQ Series multilayer capacitor (MLC) chips from AVX Corp. (Myrtle Beach, SC) are suitable for RF/microwave applications ranging from 10 MHz to 4.2 GHz. With precious metal electrodes and a fine-grained,...
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 Test & Measurement
Microwave Signal Generators
The 2500B series of microwave signal generators from Giga-tronics (San Ramon, CA) covers 100 kHz to 50 GHz with low phase noise, high rejection of harmonics, sub-harmonics, and spurious, high output power level. Six...
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 8×8...
Products RF & Microwave Electronics
Antenna Design Simulation
Magus (Stellenbosch, South Africa), in conjunction with FEKO (Hampton, VA), offers Antenna Magus, a design simulation software solution for antenna design and placement analysis. It offers a searchable collection of...
Products RF & Microwave Electronics
Compact Antennas
ETS-Lindgren (Cedar Park, TX) offers two compact-sized, open-boundary, quad-ridge horn antennas. The 3164-06 (300 MHz – 6 GHz) covers the main wireless bands and the entire UHF band common in tapered chambers, while the...
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 also...
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...
Articles RF & Microwave Electronics
Demodulating Over-the-Air Communications
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 wireless...
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...
Articles Photonics/Optics
Developing a Beam Former for Electronically Steered Antennas
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...
Articles RF & Microwave Electronics
Role and Performance of the Global Precipitation Measurement Microwave Imager Instrument
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.
Briefs RF & Microwave Electronics
Arcing and Vibration Tests of High-Power Patch Antennas
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 the S...
Briefs RF & Microwave Electronics
Antenna Electronically Steered Using MEMS Phase Shifters
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 1950s....
Briefs RF & Microwave Electronics
Implementing a GPS Waveform Under the SCA
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...
Briefs RF & Microwave Electronics
Photonic Analog-to-Digital Converters
Early steps have been taken toward the development of analog-to-digital converters (ADCs) that would incorporate photonic quantizers based on the technology of InP semiconductors. These photonic ADCs are...
Briefs Electronics & Computers
Traveling-Wave Wide-Band Microstrip Antennas
Microstrip antennas that can be made to perform well over relatively wide frequency ranges but are mechanically and electrically simpler than prior such antennas have been invented. These antennas...
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