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Ferrite Materials

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Ferrite Materials

Ferrite materials are used in microwave devices such as isolators, circulators, diplexers, filters, and phase shifters. These materials exhibit both dielectric and magnetic properties due to the presence of magnetic ions, such as iron, within their composition. This unique combination makes them essential for various high-frequency applications.

Mostly intended for isolators and ciculators sub-systems used in radiocommunication systems, ferrite materials from Exxelia are offered in disks, triangles and special custom designed dimensions. They are all based on Exxelia own fomulation providing low delta H propitious to IMD reduction.

Frequently Asked Questions

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What are the specifications of 4 mm wave tuning elements?

The millimeter Wave Tuning Elements are higher frequency versions of both Tuning Elements described in this data sheet.  Part number: AT 6922 ROHS. Bushing and rotor are made of brass gold plated. Usage in the frequency bands X to K. Bushing can be mounted with solder, epoxy or press-fit. 

What are the specifications of the microwave tuning elements?

Tuning Elements consist of a brass mounting bushing with a rotor of the same material including a tuning rod made of metallic or dielectric or absorbent material and a nut.  

 

Metallic Tuning Elements consist of a brass mounting bushing with an integral tuning rotor of the same material and a nut. Bushing is gold plated, rotor and nut are passivated. Optional materials and plating are available upon request. 

What are the typical specifications of dielectric tuning elements?

Dielectric Tuning Elements are used whenever the lowest loss tuning for high frequency applications is required. When dielectric rod is introduced into a cavity, the self resonant frequency is lowered due to the cavity “appearing” larger. 

 

 The basic dielectrics used in Exxelia Ceramics Microwave Tuning Elements are sapphire, quartz and alumina. 

What are the key specifications to consider for metallic tuning elements?

Metallic Tuning Elements consist of a brass mounting bushing with an integral tuning rotor of the same material and a nut. Bushing is gold plated, rotor and nut are passivated.  Optional materials and plating are available upon request.

What are the key specifications to consider when selecting resistive tuning elements?

Resistive Tuning Elements provide a consistent and accurate means of attenuating microwave energy. Rod made of magnetically loaded epoxy exhibits broadband lossy properties. 

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