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All Journal TELKOMNIKA (Telecommunication Computing Electronics and Control)
M. Amzi
Universityof Sidi Mohamed Ben Abdellah
Computer Science & IT

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Design of compact microstrip bandpass filter using square DMS slots for Wi-Fi and bluetooth applications A. Belmajdoub; M. Jorio; S. Bennani; A. Lakhssassi; M. Amzi
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 19, No 3: June 2021
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v19i3.18768

Abstract

This paper presents the design of a compact bandpass filter based on two identical rectangular resonators and is implemented on microstrip technology for Wi-Fi and bluetoothapplications. To reduce the size of the filter, the defected microstrip structure (DMS) technique is proposed. This technique consists of etching slots in the rectangular resonator, which results in a change in the line properties and increase of the effective inductance and capacitance. This feature is used for miniaturization. The designed filter has a compact size (6.82x8.3) mm² with a low insertion loss of -0.1 dB and a good return loss of -36 dB. The simulation results are realized using the (computer simulation technology) CST Microwave software.
Co-Authors A. Belmajdoub A. Lakhssassi M. Jorio S. Bennani