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Interference Technology

For EMI / EMC Engineers

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Antennas

EMC for Missiles

 

Introduction Missile platforms operate in some of the most extreme electromagnetic (EM) environments encountered by aerospace systems. The combination of high‑power radar, directed‑energy weapons, lightning, electromagnetic pulse (EMP), and electro‑static discharge (ESD) creates a complex threat landscape that can compromise functionality, safety, and survivability. Emphasis … [Read more...]

What’s New in MIL-STD-461H

 

The long-awaited revision to MIL-STD-461H was released on April 17, 2026. This revision formally supersedes MIL-STD-461G, issued on December 11, 2015. However, anyone involved in the MIL-STD-461 compliance arena understands that adoption through the procurement cycle will take time. There is no reason to discard those copies of revisions A through G anytime soon. Although I … [Read more...]

Affordable RF Test Setups for IoT Designers

 

Introduction The number of connected devices keeps growing every year. Millions of devices exchange data wirelessly to make our lives easier.   Wireless connectivity simplifies installation by removing cables, but it uses the electromagnetic spectrum, which is becoming more and more crowded.   User demands have shifted connectivity from being a … [Read more...]

Why Maxwell’s Plane Wave Solution Matters in RF

 

Transmission lines, antennas, and RF measurement systems all rely on a single electromagnetic model - the plane wave solution to Maxwell’s equations.   While often treated as a theoretical result, this solution governs how energy propagates, reflects, radiates, and ultimately contributes to interference in real RF hardware.   There are several, heavy … [Read more...]

Your First EMC Bench Setup

 

Complying with EMC regulations seems to be a challenge for many companies who manufacture electronic products. This usually comes to a head, if considered near the end of the development cycle.   As an EMC consultant helping hundreds of clients, I've witnessed the resulting cost and schedule delays.   Invariably, engineers will attempt to troubleshoot and … [Read more...]

KRYTAR Announces Two (2) New ULTRA+ 180-Degree Hybrid Couplers Covering 10 to 40 GHz

 

FOR IMMEDIATE RELEASE   JANUARY 20, 2026, SUNNYVALE, CALIF. — KRYTAR, Inc., a leader in the design and production of ultra-broadband microwave components announces two (2) new ULTRA+ 180-Degree Hybrid Couplers that deliver 3 dB of coupling over the frequency range of 10.0 to 40.0 GHz in compact packages.   KRYTAR’s New family of ULTRA+ 180-Degree, 3 dB, … [Read more...]

KRYTAR Announces New Compact 3 dB, 180-Degree Hybrid Coupler Covering 7.125 to 15.35 GHz

 

FOR IMMEDIATE RELEASE   KRYTAR Announces New Compact 3 dB, 180-Degree Hybrid Coupler Covering 7.125 to 15.35 GHz   NOVEMBER 11, 2025, SUNNYVALE, CALIF. — KRYTAR, Inc., a leader in the design and production of ultra-broadband microwave components and test equipment announces a new 180-Degree Hybrid Coupler that delivers 3 dB of coupling over the frequency … [Read more...]

How to Not Die in an EMC Lab

 

There are risks in every work environment: risks to humans, risks to equipment, risks to things you might be testing, and risks to customers’ equipment. Such is the case in an EMC lab, which is typically an ever-changing environment with moving parts, equipment, people, and projects. From day to day, EMI personnel can be working on military equipment worth millions of … [Read more...]

Waveguide Insights: Understanding Rectangular and Double-Ridge Designs for Enhanced RF Systems

 

OVERVIEW This App-Note provides a thorough examination of rectangular and double-ridge waveguides, highlighting their design, operating principles, advantages, and applications. It details specifications and power-handling considerations essential for RF systems. Waveguides are crucial in microwave engineering, offering low-loss, high-efficiency transmission for … [Read more...]

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