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Far-Field Criterion for Wire‑Type Antennas

This article presents the derivation of the far-field criterion for two fundamental wire-type antennas: electric (or Hertzian) dipole and magnetic dipole.

Banana Skins – July 2023 (#429-432)

One car manufacturer found that the craze for CB radio caused more than a jamming of the airwaves.

Inductors and Ferrites for Use in EMC

Magnetic materials used in inductors and filters have specific functions and purposes. However, knowing which to choose can be confusing.

Banana Skins – June 2023 (#424-428)

Spacecraft now and of the future are being controlled by EMC requirements of the past.

The Importance of High Frequency Measurements

Before diving too deep into the nitty gritty of high frequency probing techniques, it’s imperative to understand a few basics, as described in the remaining portion of this article. The basics include probe calibration and null measurements and a description of the various types of voltage probes available, including their strengths and weaknesses.
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Seventy Years of Electromagnetic Interference Control in Planes, Trains, and Automobiles (and Ships and Spaceships, as well)

The first in a multi-part series of articles exploring the background of modern electromagnetic interference (EMI) requirements and test methods covers general topics.

Smith Chart and Input Impedance to Transmission Line

This is the second of the three articles devoted to the topic of a Smith Chart.

Questions to Ask When Looking for an EMC Immunity Antenna

Antennas come in many different types, and it can sometimes be overwhelming to decide which one fits the need the best. In the case of immunity antennas, the correct selection may be the difference of reaching field and not. The antenna is the most important part of the system. Given that the amplifiers can be the costliest part of the system, one needs to take the time to research and find the correct antenna to make the best use of the available power.

Banana Skins – April 2023 (#422-423)

This experiment investigates the susceptibility of an ECG machine to emissions from unintentional emitters such as Gameboy™, iPod Nano™, and more.

Sinusoidal Steady State Analysis of Transmission Lines

This is the third of the three tutorial articles devoted to the frequency-domain analysis of a lossless transmission line.
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