Shape of the dielectric resonator
Dielectric resonators - Microwave circuits
Article REF: E1920 V3
Shape of the dielectric resonator
Dielectric resonators - Microwave circuits

Authors : Pierre FILHOL, Arnaud NABOULET, Aubry MARTIN

Publication date: May 10, 2026 | Lire en français

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5. Shape of the dielectric resonator

Dielectric resonators are generally cylindrical in shape, but they can also be cubic or spherical. The cubic configuration allows for the creation of cavities with triple modes  s along the cube’s three axes, thereby tripling the filter’s volume. Similarly, the spherical design was developed for 850 MHz filter applications in radiotelephony. 

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