Electrical, Electronics, and Avionics
Amplifiers
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Articles RF & Microwave Electronics
Solving Military Satellite, Radar and 5G Communications Challenges with GaN-on-SiC MMIC Power Amplifiers
Systems need to meet higher gain targets but not if it comes with any increases in cost and complexity, or size and weight.

Articles Communications
What is Pulse Shaping?
Pulse shaping, as it is done today, is an effort to fix fidelity issues caused by the transmitting amplifier and is accomplished by a combination of imperfect methods, most external to the amplifier. This article will...

Briefs Software
Ka-Band Front-End Monolithic Microwave Integrated Circuits (MMICs) and Transmit/Receive (T/R) Modules Testing
Gallium nitride monolithic microwave integrated circuit (MMIC) technology has superior performance in power amplifier applications.

Articles Electronics & Computers
90° Hybrid Coupled Power Amplifier – Pros and Cons
Wireless communications is a broad market and PAs fill a wide array of those applications.

Articles Electronics & Computers
Solid-State Microwave Power Module
The MPM has uses in military aerospace applications.

Articles Aerospace
Broadband 1.2- and 2.4-mm Gallium Nitride (GaN) Power Amplifier Designs
The US Army Research Laboratory (ARL) has been working with Raytheon to design efficient, broadband, linear, high-power amplifiers and robust, broadband, low-noise...

News Electronics & Computers
Nano Dimension Creates the First Printed Circuit Boards with Side-Mounted Features
Nano Dimension Ltd., an additive electronics provider based in Ness Ziona, Israel, has developed the world’s first side-mounting technology for printed...

Articles Electronics & Computers
Compact Power Amplifier Solution for Electronic Warfare
Wolfspeed, a Cree company, provides field-tested silicon carbide (SiC) and gallium nitride (GaN) power and RF solutions. As a leader in wide-bandgap semiconductor technology, Wolfspeed...

Articles Aerospace
GaN Breaks Barriers
The increasing demand for higher data rates in telecommunications and higher resolution in industrial systems is pushing the frequency of operation higher for the electronics that support them. Many of these systems operate...

Briefs Photonics/Optics
High-Power Broadband Multispectral Source on a Hybrid Silicon Chip
For applications in manufacturing, remote sensing, medicine, military, and fundamental science, an ideal laser would have high output power and a diffraction-limited beam. The...

Briefs Photonics/Optics
Stimulated Brillouin Scattering (SBS) Suppression and Long Delivery Fibers at the Multikilowatt Level with Chirped Seed Lasers
One obstacle in the scaling of high-power fiber lasers arises because of nonlinear effects (e.g., stimulated...

Articles Aerospace
Cassini Stays in Touch with NASA's Radio Science Subsystem
After almost 20 years in space, NASA's Cassini spacecraft begins the final chapter of its remarkable story of exploration. From now until September, Cassini will undertake a set of...

Briefs Photonics/Optics
Development of Photoacoustic Sensing Platforms
In recent years, photoacoustic spectroscopy (PAS) has emerged as an attractive and powerful technique well suited for sensing applications. The development of high-power radiation sources and more...

Briefs Sensors/Data Acquisition
Angular Random Walk Estimation of a Time-Domain Switching Micromachined Gyroscope
The primary metrics that prohibit the use of microelectromechanical systems (MEMS) gyroscopes for navigation-grade inertial navigation units (IMUs) are angle...

Articles Aerospace
Curled RF MEMS Switches For On-Chip Design
Microelectromechanical system (MEMS) switches are active components in most electronic equipment. Radio frequency (RF) MEMS are used in wireless personal communication devices, satellite communication,...

Articles RF & Microwave Electronics
Making AESA Radar More Flexible
A modular, building-block approach brings greater design flexibility to Active Electronically Scanned Array (AESA) radar technology, simplifying system integration, and permitting rapid first-line repair with no...

Articles RF & Microwave Electronics
Enhance EMC Testing with Digital IF
Modern electromagnetic interference (EMI) receivers and spectrum analyzers used for compliance and precompliance testing employ digital intermediate-frequency (digital IF) processing technology for signal...

Articles Aerospace
Unmanned Ground Vehicle Communications Relays
The need for a high-bandwidth communication link to carry multiple video channels from a mobile robot (unmanned ground vehicle, or UGV) back to a control station requires using high-frequency RF...

Articles Defense
Solutions for RF Power Amplifier Test
As wireless mobile devices grow in capability and complexity, the associated growth in power demand is driving new approaches to battery utilization and power efficiency. One of the single largest power...

Articles Aerospace
Electronic Warfare Technology
Military electronic warfare (EW) systems including navigation, radar guidance, terrain mapping and others, require lightweight compact components, with radio frequency (RF) output power levels to several kilowatts...

Articles Defense
New RF Strategies for Software Radio
Software defined radio system engineers can now exploit new technology to perform digital signal processing much closer to the antenna than ever before. Various strategies include the latest wideband data...

Articles Data Acquisition
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 offers...

Articles Defense
RF FPGAs for Multi-Function Systems
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...

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...

Articles Weapons Systems
A Fundamental Key to Next-Generation Directed-Energy Systems
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...

Articles Photonics/Optics
Laser Detection System Technology
While most ordnance is now laserguided, there is still much work to be done on the defensive detection of laser designators. Hence the growing need for advanced laser-warning systems (LWS). While multiple...

Application Briefs Test & Measurement
Measuring Radar Cross Section with Handheld VNAs
Radar cross section (RCS) is the measure of an object's ability to reflect radar signals in the direction of the radar receiver, i.e. it is the measure of the ratio of backscatter per steradian...

Briefs Electronics & Computers
Development and Test of a Medium-Voltage Converter for Ocean Observatories
A critical component in regional-scale undersea power systems is the medium-voltage converter (MVC). The MVC is a DC-DC converter in the primary network infrastructure...

Briefs Electronics & Computers
Differential Amplifier Circuits Based on Carbon Nanotube Field Effect Transistors (CNTFETs)
Since their discovery, carbon nanotubes (CNTs) have been extensively studied for their great potential in a variety of applications. Several desirable properties that CNTs possess include a high thermal conductivity, high electrical mobility, high electrical...
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