Research Article
Trisection Open-Loop Varacter-Based Tunable Filter for 5G Wireless Communications
@INPROCEEDINGS{10.4108/eai.28-6-2020.2298244, author={Yasir Al-Yasir}, title={Trisection Open-Loop Varacter-Based Tunable Filter for 5G Wireless Communications}, proceedings={Proceedings of the 1st International Multi-Disciplinary Conference Theme: Sustainable Development and Smart Planning, IMDC-SDSP 2020, Cyperspace, 28-30 June 2020}, publisher={EAI}, proceedings_a={IMDC-SDSP}, year={2020}, month={9}, keywords={microstrip filter bandpass tunable 5g varactor cst}, doi={10.4108/eai.28-6-2020.2298244} }- Yasir Al-Yasir
Year: 2020
Trisection Open-Loop Varacter-Based Tunable Filter for 5G Wireless Communications
IMDC-SDSP
EAI
DOI: 10.4108/eai.28-6-2020.2298244
Abstract
In this paper, a compact microstrip reconfigurable bandpass filter (BPF) covering the 3.4 to 3.8 GHz spectrum bandwidth for 5G wireless communications is proposed. The planar filter uses three ring resonators with 50 Ω transmission line impedances for input and output terminals. The coupling between the resonators is adjusted to resonate at the centre frequency with third-order bandpass Butterworth properties. Varactor diode and biasing circuit are modeled to tune the resonant frequency in the desirable band. The presented tunable filter is designed on Rogers RO3010 substrate with a relative dielectric constant of 10.2 and a compact size of 17×5×1.27 mm3. The proposed filter is simulated and optimized using CST microwave studio software.
