A Band Pass Filter Design: Covered Wide Range Perspective

In this paper, the design, simulation, and experimental validation of a second-order printed band pass filter (BPF) is presented. The proposed structure is used as a simple approach to obtain a dual-band operation. Initially, a microstrip to microstrip transition is implemented to provide the input...

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Bibliographic Details
Published in2020 IEEE International Conference on Electronics, Computing and Communication Technologies (CONECCT) pp. 1 - 4
Main Authors Mishra, Rashmita, Rout, Kailash Chandra
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.07.2020
Subjects
Band pass filter
Band-pass filters
Bandwidth
Group delay
Impedance
Impedance bandwidth
Microstrip filters
Microwave filters
Open stub
Resonant frequency
Resonator filters
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Summary:In this paper, the design, simulation, and experimental validation of a second-order printed band pass filter (BPF) is presented. The proposed structure is used as a simple approach to obtain a dual-band operation. Initially, a microstrip to microstrip transition is implemented to provide the input impedance of 50-ohms. Apart from this, the four open stubs, followed by a semicircular patch, are implemented at the top of the design. The beauty of metallic semicircular patch and stubs are playing a vital role in achieving the resonant frequency. Additionally, a stub is used on each side of the port. The length of each stub is equivalent to half of the guide wavelength (λg/2). Moreover, the gap between the feedline and stub is used to remove the harmonics and enhance the impedance bandwidth. The simulated and measured results of return loss, insertion loss, phase of S21, and group delay are verified. So, the experimental results in good agreement with the simulated one.
DOI:10.1109/CONECCT50063.2020.9198486