Search Results for: ferrite

ferrite core winding
Technical Articles

How to Protect Wire from Ferrite

Before winding wire, particularly enameled wire, on a bare ferrite core, take steps to protect the wire from the abrasive ferrite’s edges and corners. If the core has an inside […]

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 […]

powerfilm portable solar charger, rolled up
Products & Product Reviews

14 New Products at DX Engineering for December 2025—from PowerFilm Solar Panels to DX Engineering Portable Gear Packages

What better way to end 2025 than with a sleigh-full of new amateur radio equipment available at DX Engineering! Consider this post a bonus to our Ham Radio Holiday Gift […]

Man erecting a large vertical antenna
Technical Articles

Operating Accommodations: Ham Radio for Seniors, Part 1

Amateur radio has always been a hobby for all ages, from curious teenagers building their first radio kit to retirees chatting across continents. However, as we age, we may find […]

DX Employee Group photo at Dayton Hamvention 2025
Events

Guide to December 2025 Ham Radio Contests—Year-End Wrap-Up Edition

OnAllBands is putting a bow on the ham radio year with our final contesting guide of 2025. It has been another banner trip around the sun (courtesy of Solar Cycle […]

Sangean shortwave radio
Products & Product Reviews

Ham Radio Holiday Gift Guide 2025 Part 3: Shortwave/Weather Radios, Emergency Lighting & More

DX Engineering Emergency Readiness Packages with GMRS/FRS radios make great gifts as well! *** For those hams and non-hams on your holiday “I’ve been good all year” list, today’s suggestions […]

DX Engineering Noman ham radio antenna mount
Products & Product Reviews

16 New Products at DX Engineering for November 2025

If you’re a ham looking for serious shack upgrades, November is the perfect time to give thanks to the manufacturers who keep producing equipment that can take your station to […]