SIW Q-band filters using advanced multilayer PCB technology

This paper deals with the design of Q-band filters using a low-cost multilayered Printed Circuit Board (PCB) substrate. In order to meet strong electrical specifications, the Substrate Integrated Waveguide (SIW) technique has been used to take profit of the complete build-up of the multilayered PCB....

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Bibliographic Details
Main Authors: Cadiou, S., Quendo, C., Schlaffer, E., Pessl, W., Le Fevre, A., Brizoux, M., Baudet, D.
Format: Conference Proceeding
Language:English
Subjects:
Cavity resonators
Fabrication
Microwave communication
Microwave filters
Substrates
Online Access:Request full text
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Summary:This paper deals with the design of Q-band filters using a low-cost multilayered Printed Circuit Board (PCB) substrate. In order to meet strong electrical specifications, the Substrate Integrated Waveguide (SIW) technique has been used to take profit of the complete build-up of the multilayered PCB. Advanced fabrication techniques of vias and micro-vias have also been developed in this project to implement 4 th and 6 th -order filters in this technology. The challenge here is to use a standard PCB process to design complex microwave devices that usually require accurate fabrication process and very low tolerances, especially in such frequency ranges. Based on that, two 2.8×8mm 2 prototypes have been designed, simulated and fabricated on a 1mm-thick PCB made of copper and blend of high performance resin material. Regarding the results of these filters, measured insertion & return losses are in a very good agreement with the simulation while exhibiting high rejections and low footprint.
DOI:10.1109/EuMC.2014.6986619