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 […]

DX Engineering dummy load
Products & Product Reviews

New Products Spotlight: DX Engineering Dummy Load & Low-Power Feedline Choke

As we mentioned in our last post about the DX Engineering Window Feed-Through Panel, the team at DXE has been hard at work developing new products to improve your amateur […]

dx engineering maxi-core 20 feedline choke, inside
Technical Articles

Ham Radio Tech: What Does a Common-Mode Choke Do?

You’re hosting a party and someone arrives who probably wouldn’t have made your invite list. Maybe someone brought them along, your XYL said you had to invite them, or they asked […]

dipole wire antenna building illustration
Antenna Tech

Ham Radio Tech: Linear Loading—Long Wire in a Short Space

For some amateur radio operators, putting up a full-length HF dipole is not always feasible. With today’s postage-stamp-sized lots, some hams can only dream of installing a dipole for 80 […]

magnet mount antenna on a car trunk
Antenna Tech

Ham Radio Tech: Ground Planes, Gains, and Automobiles—Insights on Mounting Mobile Antennas on Your Vehicle

The best mobile antenna money can buy isn’t any better than the ground plane it is mounted over. Remember the basic dipole—it needs two elements to be complete. Your vertical […]

CG Antenna CG-3000 160-10M Remote Automatic Antenna Tuner
Manufacturer Showcases

New Manufacturer Spotlight: CG Antenna

The DX Engineering 2025 Amateur Radio Products Catalog is only a few months away. As we lead up to its May release in time for Dayton Hamvention®, OnAllBands will be […]