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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...
Articles RF & Microwave Electronics
Radar Recording Proves Next-Level System Performance
As radar and electronic warfare systems contend with an increasingly crowded environment, recording tests, interactions, and conflicts provide valuable insight.
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.
Briefs Internet of Things
Content Addressable Memory (CAM) Technologies for Big Data and Intelligent Electronics Enabled By Magneto-Electric Ternary CAM
Content addressable memory (CAM) is one of the most promising hardware solutions for high-speed data searching and...
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...
News Manned Systems
Recoated and Ready
Air superiority comes at a cost. The U.S. Air Force (USAF) F-22 Raptor may arguably be the most capable air superiority fighter ever built, but the aircraft has lingered in depots due to a variety of substantial...
Briefs Unmanned Systems
Energy-Filtered Tunnel Transistor: A New Device Concept Toward Extremely Low Energy Consumption Electronics
Altering the thermal characteristics of semiconductors can prolong battery life. Excessive heat dissipation (or power consumption)...
Articles Defense
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 Defense
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
Advances and Challenges in Developing Radar Applications
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 broad...
Articles RF & Microwave Electronics
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...
Briefs Electronics & Computers
CMOS-Memristor Hybrid Nanoelectronics
The memristor is the fourth fundamental passive electronic device in addition to the resistor, capacitor, and inductor. By integrating with complementary metal oxide semiconductor (CMOS) devices, memristors show promise for development of revolutionary new nanoelectronic computing architectures with...
Briefs Electronics & Computers
Prognostic Health Management for Avionics System Power Supplies
Electronic systems such as electronic controls, onboard computers, communications, navigation, and radar perform many critical functions onboard military and commercial aircraft....
Briefs Electronics & Computers
Trustworthy Hardware for 3D Circuit-Level Integration
Three-dimensional (3D) integration is a promising technology for designing high-performance, low-power systems by stacking multiple integrated circuit dies and connecting them at the circuit level with conductive posts. Most current efforts are at the electromechanical level of getting 3D to...
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...
Briefs Electronics & Computers
Procedure to Determine and Correct for Transmission Line Resistances for Direct-Current, On-Wafer Measurements
Resistances of tenths of ohms to several ohms in transmission lines have been measured in laboratory systems from the power supply to...
Briefs Electronics & Computers
Channel Field Effect Transistors
Narrow bandgap semiconductors offer high carrier mobilities and low contact resistances, while wide bandgap semiconductors offer high breakdown voltages. A series of heterojunction transistors has been investigated and proved to be effective for improving both speed and power output. These devices include double...
Briefs Photonics/Optics
Threshold Voltage Tuning of Metal-Gate MOSFETs Using an Excimer Laser
This work presents a localized method for tuning the threshold voltages (Vt) of multilayer metal-gate metal-oxide-semiconductor field-effect transistor (MOSFET) devices with a spatial area theoretically limited by the wavelength of the laser beam. This technique allows an...
Briefs Manufacturing & Prototyping
Solution Deposition Methods for Carbon Nanotube Field-Effect Transistors
Extensive research has been done on carbon nanotube field-effect transistors (CNTFETs), which may revolutionize electronics. Single-walled carbon nano-tubes (SWNTs) act as...
Briefs Materials
Real-Time Intelligent Chemical and Biological Nanosensors on a Flexible Platform
The objectives of this research are to examine the feasibility of real-time sensing of chemical and biological species by using the unique materials and electronic...
Application Briefs RF & Microwave Electronics
Analysis of On-Chip Heat Distribution in the Design of RF Power Detectors and Transistor Arrays
The simulation of electromagnetic (EM) and thermal properties of semiconductor and substrate materials has been demonstrated to be particularly...
Briefs Electronics & Computers
Effects of Differing Carbon Nanotube Field-Effect Transistor Architectures
Understanding the differing methods and materials that can be used for producing carbon nanotube (CNT)- based electronic components means an informed use of materials...
Briefs Electronics & Computers
Silicon Carbide Junction Field-Effect Transistor Devices for Scalable Solid-State Circuit Breakers
Power electronic converters functioning as components in high-power systems, such as those of hybrid military ground vehicles, require fast fault...
Briefs Physical Sciences
Reducing Thicknesses of PbZrₓTi₁₋ₓO₃ Films in Capacitors
A document describes experiments performed to determine effects of reducing the thicknesses of films of lead zirconate titanate (PbZrxTi1-xO3, wherein 0<x<1) used as ferroelectric dielectric layers in some capacitors. The fabrication of specimen capacitors for the experiments...
Briefs Electronics & Computers
Polypeptide-Based Molecular Electronics
Polypeptide supramolecules that will self assemble from solution and will form molecular wires that exploit quantum mechanical transport mechanisms can enable the formation of molecular devices such as...
Briefs Materials
Oxide and Nitride Films for Tunable Capacitors and HEMTs
A report describes research on thin oxide films intended for use as variable-high-permittivity dielectrics in advanced tunable capacitors and on thin nitride films as starting materials for advanced high-electron- mobility transistors (HEMTs). In this research, a custom molecular-beam-epitaxy...
Briefs Electronics & Computers
Conjugated Polymers Having High Charge-Carrier Mobilities
A three-year research project encompassed multiple studies of (1) polymer semiconductors that exhibit relatively high electric-charge- carrier mobilities and (2) applications of these...
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...
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Researchers Achieve Breakthrough in New Design of Superconducting Quantum...
Technology ReportMaterials
Lighter, Recyclable Body Seal from Cooper Standard Wins SAA Award
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Leveraging Simulation for Net Zero Emissions in Conventional and...
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Quickly Prototyping Custom Textures on Automotive Parts
Unmanned Systems
March 2025 Automated and Connected Vehicles Digital Summit
Defense
A Guide to Electric Aircraft Systems Sizing: ePowertrain, TMS,...
Defense
Advancements in Pulsating Heat Pipes: Analysis and Applications...
