Monolithic multiband coaxial resonator-based bandpass filter using stereolithography apparatus (SLA) manufacturing

K Zhao, D Psychogiou - IEEE Transactions on Microwave …, 2022 - ieeexplore.ieee.org
This article reports on a new class of additive manufacturing (AM) and monolithically
integrated multiband coaxial bandpass filters (BPFs). They are based on in-series cascaded …

3D printed waveguide step‐twist with bandpass filtering functionality

Y Zhang, F Zhang, Y Gao, J Xu, C Guo… - Electronics …, 2020 - Wiley Online Library
A novel waveguide step‐twist integrated with a bandpass filter is presented in this Letter.
The twist is composed of four equally rotated cavities to achieve polarisation rotation and …

Design of mm-wave filtering waveguide twist with quasi-elliptic response and spurious suppression using 3-D metal printing

T Huang, H Liu, H Xu, L Geng - IEEE Transactions on Circuits …, 2023 - ieeexplore.ieee.org
In this brief, a novel design approach to achieve mm-wave waveguide twists with a quasi-
elliptic filtering response is proposed using selective laser melting (SLM) 3-D printing. A 4th …

Monolithic SLA-based capacitively-loaded high-Q coaxial resonators and bandpass filters

K Zhao, D Psychogiou - 2020 50th European Microwave …, 2021 - ieeexplore.ieee.org
This paper discusses the design, manufacturing and testing of additively-manufactured
coaxial resonators and filters with high unloaded quality factor (Q u). A stereolithographic …

The design of cavity resonators and microwave filters applying shape deformation techniques

M Baranowski, Ł Balewski, A Lamecki… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
This article introduces shape deformation as a new approach to the computer-aided design
(CAD) of high-frequency components. We show that geometry deformation opens up new …

X-band 3D-printed metal-insert twist-component for bandpass filter applications

C Bartlett, D Miek, F Kamrath… - 2021 IEEE MTT-S …, 2021 - ieeexplore.ieee.org
This work presents the development of an X-band twisted metal-insert bandpass filter as a
monolithic 3D-printed structure. The component serves as a compact solution for the …

Polymer-based 3-D printed 140 to 220 GHz metal waveguide thru lines, twist and filters

R Payapulli, L Zhu, SH Shin, M Stanley… - IEEE …, 2023 - ieeexplore.ieee.org
This paper demonstrates the current state-of-the-art in low-cost, low loss ruggedized
polymer-based 3-D printed G-band (140 to 220 GHz) metal-pipe rectangular waveguide …

Monolithically-integrated 3D printed coaxial bandpass filters and RF diplexers: Single-band and dual-band

K Zhao, D Psychogiou - International Journal of Microwave and …, 2022 - cambridge.org
The manuscript reports on additively-manufactured (AM) coaxial-resonator-based bandpass
filters (BPFs) and RF diplexers. A monolithic integration concept using stereolithography …

Monolithic compact low-frequency bandpass filter based on intertwined helical resonators

JLM Del Río, A Fernandez-Prieto… - 2023 IEEE/MTT-S …, 2023 - ieeexplore.ieee.org
This paper reports on a new type of a compact 3D bandpass filter using intertwined helical
resonators. The filter design is based on coupled-resonators theory and the manufacturing …

Novel compact waveguide filtering twist for computer numerical control machining

Y Zhang, X Shang, J Xu, Y Guo, L Duan… - Electronics Letters, 2023 - Wiley Online Library
In this letter, the authors present a novel compact waveguide filtering twist that can be
readily fabricated from metal using the computer numerical control (CNC) machining …