Ferrite Rod Antenna: ferrite bar aerial

Notes about the ferrite rod antenna or ferrite bar aerial, a form of RF antenna that is widely used in RFID and portable transistor radio applications.

The ferrite rod aerial or ferrite bar antenna is a form of RF antenna that is almost universally used in portable transistor broadcast receivers as well as many hi-fi tuners where reception on the long, medium and possibly the short wave bands is required.

As the popularity and listeners of long, medium and short wave broadcasting decreases, as there are higher quality services available via VHF FM and digital services, this sector is decreasing.

However ferrite rod antennas are being used increasingly in wireless applications in areas such as RFID. Here the volumes of antennas required is huge. The antennas for RFID need to be compact and effective, making the ferrite rod antenna or ferrite bar aerial an ideal solution.

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