RF & Microwave Technical Articles

Understanding GNSS Antennas

Editorial Team

everything RF

Global Navigation Satellite System (GNSS) antennas are designed to receive signals from satellite constellations like GPS (United States), GLONASS (Russia), BeiDou (China), and Galileo (European Union...read more

Traveling Wave Tubes Still Best Solution for High RF-Power EW Systems

Amplifiers Radars Satellite

Mike Lee

dB Control

Even as GaN devices continue to grow in efficiency, power density and the amount of power available from a single device when it comes to generating serious amounts of RF power, traveling wave tubes (...read more

A 64-element Ka-band Flat Panel Phased Array for Satellite Communications Application

Antennas SATCOM Satellite

Ming Yang

ReliaSat

IntroductionFlat Panel Antennas (FPA) at Ka-band (27.5-30 GHz) are the forefront of future technology for Low Earth Orbit (LEO). FPAs are favoured due to their tracking ability, low profile, and ...read more

Evanescent Mode Ridge Waveguide Bandpass Filter for High Frequency Applications

Filters

Ananto Prasetiadi, Terence Wainwright

Wainwright Instruments

BackgroundA band pass filter is a key component of various applications that allows signals with certain frequency bands to pass through and blocks signals with other frequencies. This component is im...read more

mmWave Attenuator Limitations Spark Renewed Interest in Faraday Rotation Solutions

Attenuators Millimeter Waves

Micro Harmonics

The move up the electromagnetic spectrum (EM) into millimeter waves (mmWaves) is proving to be a double-edged sword. System designers eager to leverage wider bandwidths and incredibly high data throug...read more

High Performance Components from DC to mmW for Space Applications

IEEE Frequency Bands Satellite Space

Scott Hsu

Marki Microwave

Satellites and space programs have traditionally been dominated by a few countries worldwide. However, recent advancements in launch vehicles have significantly reduced the costs of launching satellit...read more

How do you Choose the Best Vector Network Analyzer?

Test & Measurement

Brian Walker

Copper Mountain Technologies

There are many choices when you look for a Vector Network Analyzer (VNA) to purchase. What factors should influence this important purchase decision? Engineers tend to focus on electrical performance ...read more

From RF to Bits: Evolving Testing Needs for Next-Generation Active Electronically Scanned Arrays

Antennas Radars Spectrum Analyzers

Mike Barrick

National Instruments

In this article, Mike Barrick (Business Dev Manager, NI) looks at the development and testing of Active Electronically Scanned Arrays (AESAs) and their Transmit/Receive Modules (TRMs). The article exp...read more

5G Connectivity: How FWA Devices Are Transforming Wireless Networks

5G Millimeter Waves Wi-Fi

Dr. Ali Sadri

Airgain

The global demand for fast, reliable internet has increased significantly in the past decade, with people expecting strong connectivity and wanting to be able to do a lot more with their wireless solu...read more

Virtual Antenna Technology vs. Traditional Patch Antennas in GNSS Applications

Antennas GNSS IoT

J. Anguera, J. Gui, A. Andújar, J. L. Leiva

Ignion

The rapid growth of the Internet of Things (IoT) has brought a demand for enhanced and reliable location-tracking technologies. Global Navigation Satellite Systems (GNSS) have become indispensable in ...read more

It’s Time to Pay Attention to Antennas for Precise GNSS Positioning

Antennas Automotive GNSS IoT Satellite

Quectel

GNSS provides the ability to accurately locate devices down to the centimeter level anywhere on the planet’s surface provided that connectivity isn’t interrupted by obstructions or interfe...read more

Reducing Board Surface Area and Improving RF Performance by Embedding Ultra Thin Capacitors

Cory Nelson, Ashley Stanziola, Daniel West

Kyocera AVX Components

Board space limitations are pushing for smaller components and greater component density while maintaining or improving broadband performance. The industry has tried to accommodate board limitations b...read more

Removing Excess Heat from Ungrounded Surface Mount Devices

Cory Nelson, Marianne Berolini, Daniel West

Kyocera-AVX Corporation

Ungrounded components don’t have a path to remove heat built in. In tightly packed boards this can cause hot spots and reduce the life and functionality of components. This study will investigat...read more

Filtering Key Needs for Millimeter-Wave Satcom

Filters Millimeter Waves SATCOM Satellite

Art Aguayo

Benchmark Lark Technology

Satellites are increasingly important components in high-data-rate networks and millimeter-wave frequency bands provide the extended bandwidth needed for wirelessly moving large amounts of data quickl...read more

The Millimeter-Wave Spectrum: A Critical Asset for Defense

Aerospace & Defense Electronic Warfare Millimeter Waves

Robert Richardson

dB Control

For many years, the millimeter-wave spectrum remained an untamed frontier for defense systems because its high atmospheric attenuation, high costs, and lack of suitable semiconductor technologies rend...read more

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