Search Results for: ferrite

wire wrapped ferrite choke
Technical Articles

Ferrite Chokes, What are They, Anyway?

In other OnAllBand entries, we’ve covered what ferrites are, how their behavior varies with frequency, and some of their applications in the ham station.  This time, we’ll focus on their […]

a ferrite choke on a usb cord
Technical Articles

What is Ferrite Used For, Anyway (Part 2)

In the OnAllBands entry, “What is Ferrite, Anyway?” we discussed what ferrite is and what makes up a “mix.”  We also explored how ferrite behaves at different frequencies. Ferrite has […]

assortment of ferrite chokes
Technical Articles

What is Ferrite, Anyway?

Ferrites are made from oxides of iron, cobalt (Co), barium (Ba), and strontium (Sr).  The type of ferrite most useful to hams are soft ferrites. (The hard ferrites are good […]

DX Engineering ferrite noise cores
Products & Product Reviews

DX Engineering Expands Its Lineup of Color-Coded Ferrite RF Noise Reduction Kits

DX Engineering now offers Color-Coded Ferrite RF Noise Reduction Kits covering a wider range of uses. Kits contain toroids and snap-on beads for specific RF suppression applications (linear amplifiers, AM […]

portable ham radio station built into a cooler
Technical Articles

Ham Radio Tech: Inexpensive Project Enclosures

No matter what kind of operating you do, sooner or later you’ll need a “gadget” that isn’t readily available commercially. Maybe you’ll need a special switch or an interface between […]

rear view of a portable ham radio station on a tabletop
Technical Articles / Uncategorized

Ham Radio Tech: RF Management–In the Field

This is the first of a two-part article about RF when you are operating “in the field,” meaning away from a fixed station. For example, when you are operating a […]

SO-239 female RF connector mounted in a black box
Product Reviews

DX Engineering Flanged Feedpoint Connectors—a Better Way to Attach Coax to Antennas that Don’t Have a Connector (Video)

So you’re building a small dual-band Yagi and the instructions tell you to split the coax at the feedpoint. Stop right there. DX Engineering’s Michael Murphy, KI8R, shows you a […]

InnovAntennas LFA3-HG 50 MHz 5-Element Yagi
Product Reviews

New Product Spotlight: InnovAntennas Adds to Its Lineup of Amateur Radio Antennas Available at DX Engineering

When cool weather approaches, you may begin to ponder the most efficient way to upgrade your existing antennas or add to your current capabilities. And when it comes to amateur […]

screengrab of a map displayed on a computer
Field Day

Noise Management on Field Day

Here comes Field Day and all of your careful equipment connections and filtering go out the window as the station is disassembled and hauled off to the operating site. Be […]

crowd at dx engineering booth during hamvention
Events

Make Plans to Visit DX Engineering’s Expanded Booths at the 2024 Dayton Hamvention®!

After months of preparation, countless volunteer hours, and anticipation by thousands of hams who have had the dates circled in red for months, the wait is almost over! The gates […]