Use of Ferrites in PCB Reference Planes

Should the reference (i.e., ground) plane be split into two separate sections and a ferrite bead installed between them to prevent unwanted radio frequency emissions? Let’s examine why this practice is not a good idea and should be avoided at all costs.
Leader Tech

Leader Tech Announces New Ferrite Pricing

Leader Tech announces a new unit pricing structure for its popular line of CE83 ferrites. For the first time, customers now have the option of requesting piece pricing in addition to case quantity volume discou... Read More...

Cables Make Unintended Antennas

One of the most cost-effective ways to eliminate unwanted electromagnetic and radio frequency interference (EMI/RFI) from a cable is to attach a ferrite. Due to their length and primary function, data and power... Read More...

Using Ferrites to Suppress EMI

In our ideal world, safety, quality and performance are paramount.  However, the cost of the final component (which includes the ferrite) has in many cases, become the deciding factor. This article is written as an aide for the design engineer looking for alternative ferrite materials as a means to reduce cost.