A Narrowband 3-D Printed Invar Spherical Dual-Mode Filter With High Thermal Stability for OMUXs

Lu Qian,Yi Wang,Sheng Li,Abd El-Moez A. Mohamed,Moataz M. Attallah,Talal Skaik,Paul Booth,Laurent Pambaguian,Cesar Miquel Espana,Petronilo Martin-Iglesias

IEEE Transactions on Microwave Theory and Techniques（2022）

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摘要

A 3-D printed narrowband bandpass filter based on spherical dual-mode resonators is presented in this article. It is designed for output multiplexers (OMUXs) using high- $Q$ spherical dual-mode resonators. Realization is by laser powder bed fusion (L-PBF) technology of Invar alloy chosen for its low coefficient of thermal expa...

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关键词

Couplings,Resonators,Thermal stability,Iris,Powders,Laser stability,Electronic mail

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