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RF & Microwave Electronics

How to Specify and Select RF Filters

Selecting a filter for an A&D application requires an understanding of available RF filter responses, physical formats, and technologies, with a good idea of necessary functional goals, such as separating channels or rejecting interference.

Application Briefs
RF & Microwave Electronics

Explosive Ordnance Disposal (EOD) Jamming Unit

The Explosive Ordnance Disposal jamming unit supports bomb disposal squads.

Articles
RF & Microwave Electronics

What System Designers Should Know About MOSA Standards

To rapidly respond to new threats, the DoD has a mandate to adopt a Modular Open Systems Approach.

Articles
RF & Microwave Electronics

JADC2: Building the U.S. Military’s Internet of Things

The U.S. military's "Joint All Domain Command and Control" initiative wants to bring quick, seamless access to intelligence from any system in the battlefield.

Products
Robotics, Automation & Control

New Products: October 2021 Aerospace & Defense Technology

Data recorders, conduction-cooled chassis, robot chargers, and more.

Products
Electronics & Computers

New Products: September 2021 Aerospace & Defense Technology

Mezzanine modules, voltage-controlled oscillators, cold-weather servo motors, and more.

Articles
Test & Measurement

Software Enables New-Age, Flexible Test Solution for Analog and Digital Radios

Radios are a staple of naval operations but their standards must change to keep up with the times.

Products
Photonics/Optics

New Products: June 2021 Aerospace & Defense Technology

A folded zoom lens, miniature rotary encoders, starter generator control, and more.

Articles
Unmanned Systems

Defeating Commercial Drone Threats with Software Defined Radio

Drones are useful technology; however, some seek to exploit the technology with bad intent.

Application Briefs
RF & Microwave Electronics

Spectrum Processing Subsystems

The subsystems enable the development and deployment of electronic warfare and signal intelligence.

Articles
Photonics/Optics

Electronic Warfare: Vying for Control of the Electromagnetic Spectrum

A plethora of new, dynamic threats flood the EW spectrum, pushing threat detection and analysis to keep pace.

Articles
RF & Microwave Electronics

Replacing Multiple RF Receivers with Just One Using Channelization

Channelization has made it possible to use one radio receiver to listen to many different radio stations simultaneously.

Articles
Aerospace

The Role of Prototype/Test Systems in Next-Generation C5ISR Development

For SOSA/HOST systems, there are chassis platforms for development that provide relatively cost-effective, versatile, and powerful solutions.

Articles
Electronics & Computers

Software-Defined Analog Filters: A Paradigm Shift in Radio Filter Performance and Capability

In many applications, conventional filters fall short.

Articles
RF & Microwave Electronics

SDR Interface for the NeXtRAD Multistatic Radar System

Learn about the multistatic data that can be collected on maritime targets.

Articles
Electronics & Computers

Defeating Commercial Drone Threats with Open-Source SDR

With the emergence of highly capable, low-cost, wirelessly controlled drones, bad actors can easily execute disruptive operations.

Products
Electronics & Computers

New Products: April 2019 Aerospace & Defense Technology

Ruggedized Software Defined Radio Solutions

Pixus Technologies (Waterloo, Ontario) has developed ruggedized versions of commercial software defined radios. The RX310, the...

Articles
RF & Microwave Electronics

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
Aerospace

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...

Articles
Defense

Software Defined Radio Enables Flexible Communications for NASA

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
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...

Briefs
Electronics & Computers

Dynamically Reconfigurable Software-Defined Radio for GNSS Applications

Historically, the military has used special- purpose Global Positioning System (GPS) radios for radio navigation. This has the disadvantage of locking users into fixed technology solutions designed to meet a fixed set of requirements. Software Defined Radios (SDR) have the...

Articles
Test & Measurement

Using Software Defined Instruments to Address the Mixed-Signal Test Challenges of Today’s Software Defined Radios

Software Defined Radio (SDR) represents an important move forward for mobile and personal communications, promising a major...

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...

Briefs
Physical Sciences

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...