Integrated Microwave Bandpass And Bandstop Filter To Multifunction Operation In Wireless Communication System

Arham, Nurul Famyza (2016) Integrated Microwave Bandpass And Bandstop Filter To Multifunction Operation In Wireless Communication System. Project Report. UTeM, Melaka, Malaysia. (Submitted)

Text (24 Pages) Integrated Microwave Bandpass And Bandstop Filter To Multifunction Operation In Wireless Communication System.pdf - Submitted Version Download (509kB)

Abstract

Ultra Wideband bandpass (UWB) filter provide a lot of advantage such as low power and high data precision. However, UWB bandpass filter easy to get the interference from the other radio frequency spectrum such as C-band satellite communication system 4GHz, radar system 10GHz, and X-band satellite communication 8.4GHz and radar system 10GHz. This project is to design the UWB bandpass filter integrated with Defected Microstrip Structure (DMS). Function of the DMS is to act as notched response. The pin diode added to act as tuning the notch response. The substrate used is Roger 4350B with thickness 0.508mm, dielectric constant 3.48 and loss tangent 0.0019. The tool for the measurement after the fabrication process is by using the Vector Network Analyser (VNA). The return loss must be better than 15 dB and the insertion loss around 0.1dB. When the pin diode on the notched response occur at 6.7GHz while when the pin diode off the notched response occur at 6.6GHz and 9.8GHz.

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