Novel High-Q Partially Air-Filled Pedestal Resonator and Filter Integrated in a Printed Circuit Board (PCB) - Université de Bretagne Occidentale Access content directly
Journal Articles IEEE Access Year : 2022

Novel High-Q Partially Air-Filled Pedestal Resonator and Filter Integrated in a Printed Circuit Board (PCB)

Abstract

In this paper, a resonator and second order filter are fabricated using a novel technological process based on micromachining and thermo-diffusion. The use of this innovative process opens the way to the design of RF components relying on partially air-filled Substrate Integrated Waveguides (SIW). These topologies and particularly the proposed partially air-filled pedestal SIW resonator is suitable to design high-Q, yet compact SIW resonators. In this paper, a study of partially air-filled pedestal SIW resonator is proposed to offer an optimized trade-off between Q-factor and compactness. Then, based on this study, a partially airfilled pedestal resonator working at 5 GHz is designed and manufactured. The measured prototype exhibits a Q-factor of 285, which represents a 53 % increase in Q-factor compared to a fully dielectrically-filled-in pedestal SIW resonator, while the size is kept constant. Finally, a second order filter based on this resonator topology is also designed, measured and discussed.

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Electronics
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Licence : CC BY - Attribution

Dates and versions

hal-04225696 , version 1 (03-10-2023)

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Leanne Johnson, Hassan Bouazzaoui, Elmine Meyer, Petrie Meyer, Benjamin Potelon, et al.. Novel High-Q Partially Air-Filled Pedestal Resonator and Filter Integrated in a Printed Circuit Board (PCB). IEEE Access, 2022, 10, pp.101160 - 101167. ⟨10.1109/access.2022.3208351⟩. ⟨hal-04225696⟩
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