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- Title
Novel compact waveguide filtering twist for computer numerical control machining.
- Authors
Zhang, Yi; Shang, Xiaobang; Xu, Jun; Guo, Yuewei; Duan, Lei; Lu, Xiao
- Abstract
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 process. This filtering twist comprises four coupled resonators that are rotationally deformed to provide the desired 90° twist. Such resonator structures eliminate the use of curved features and therefore are ideally suitable for conventional CNC machining. The proposed design offers appealing advantages, including great compactness, easy fabrication, and good scalability to millimetre‐wave and terahertz frequencies. The design is demonstrated at X‐band and has a fourth‐order Chebyshev filter response (bandwidth 0.4 GHz, centred at 10 GHz). The good agreement between simulation and measurement results validates the proposed concept.
- Subjects
WAVEGUIDE filters; AUTOMATION; NUMERICAL control of machine tools; MACHINING; MICROWAVE filters; RESONATORS; CELLULOSE nanocrystals; WAVEGUIDES
- Publication
Electronics Letters (Wiley-Blackwell), 2023, Vol 59, Issue 1, p1
- ISSN
0013-5194
- Publication type
Article
- DOI
10.1049/ell2.12693