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A Transmission Zero Position Control for 28 GHz Rectangular Waveguide Cavity Bandpass Filter | ||
| Al-Rafidain Engineering Journal (AREJ) | ||
| Article 9, Volume 27, Issue 1, 2022, Pages 81-89 PDF (1.15 M) | ||
| Document Type: Research Paper | ||
| DOI: 10.33899/rengj.2022.132009.1140 | ||
| Authors | ||
| Amjad Hussein Yousif Al lowaizi1; Saad Wasmi Osman Luhaib* 2 | ||
| 1Electrical Engineering Dept./College of Engineering/ University of Mosul/ Mosul, Iraq | ||
| 2Electrical Engineering Departement, Collage of Engineering, University of Mosul | ||
| Abstract | ||
| This paper presents a method to control on single real-frequency transmission zeros (TZs) position in the reject band for third-order waveguide band pass filter (BPF). The external couplings are achieved by using a coaxial probes while the internal couplings are achieved by using short-circuit metallic posts. The TZs appear are generated by forming a triplet, i.e., multipath cancellation between non-adjacent resonators. The dimensions of the metal post between non-adjacent resonators are adjusted to control the position of TZs in the rejection band. A third order waveguide generalized Chebyshev BPF is simulated with HFSS at a center frequency of 28 GHz to validate the design method. The simulated insertion loss is 0.05 dB and the bandwidth (BW) is 500MHz. The simulation demonstrates the compatibility of the presented filtering structure with 5G applications. | ||
| Keywords | ||
| TZ position control; rectangular wave guide filter; Generalized Chebyshev filter; 5G filter applications | ||
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