A 3-D printed bandpass filter using TM₂₁₁-mode slotted spherical resonators with enhanced spurious suppression

F Zhang, C Guo, Y Zhang, Y Gao, B Liu, M Shu… - IEEE …, 2020 - ieeexplore.ieee.org
This article presents a Ka-band fourth-order slotted spherical resonator waveguide
bandpass filter (BPF) with a wide spurious suppression stopband. It uses the first higher …

3-D printing quantization predistortion applied to sub-THz chained-function filters

L Zhu, R Payapulli, SH Shin, M Stanley… - IEEE …, 2022 - ieeexplore.ieee.org
This paper investigates physical dimension limits associated with the low-cost, polymer-
based masked stereolithography apparatus (MSLA) 3-D printer, with pixels defining the …

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 …

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 …

A monolithic vertical integration concept for compact coaxial-resonator-based bandpass filters using additive manufacturing

K Zhao, D Psychogiou - IEEE Microwave and Wireless …, 2021 - ieeexplore.ieee.org
This letter reports on a compact, low-cost, and low-loss monolithic integration concept for
additively manufactured coaxial-resonator-based bandpass filters (BPFs). Size compactness …

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 …

A 3D printed waveguide hybrid bandpass filter integrated with twisting and bending functionalities

Q Liu, Y Zhang, F Zhang, J Xu - 2022 IEEE International …, 2022 - ieeexplore.ieee.org
This paper presents a Ku-band waveguide component integrated with bandpass filtering,
twisting, and bending functionalities. The device is developed upon a scheme of four …

3-D printed filtering crossover using ellipsoidal cavities

Y Zhang, J Xu, X Shang - IEEE Microwave and Wireless …, 2022 - ieeexplore.ieee.org
An-band filtering crossover based on ellipsoidal cavities has been designed, fabricated
using 3-D printing, measured, and presented. The crossover is designed to have three …

3D-printed electromagnetic band-gap band-pass filter based on empty single-ridge waveguide

H García-Martínez, G Torregrosa-Penalva… - IEEE …, 2022 - ieeexplore.ieee.org
In this work, a new method for the design of band-pass filters in an empty waveguide by
using periodic structures is presented in a theoretical and experimental way. The proposed …