Design Of Multiband Matched Band-Stop Filter Using T-Shape Resonator

Nordin, Nurul Syahira (2018) Design Of Multiband Matched Band-Stop Filter Using T-Shape Resonator. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Wireless communication system is a system that transfer information between two different places that are not connected by an electrical conductor while microwave filter is the basic component in every radio frequency (RF) front-end communication system. In designing a complicated wireless communication system or any other system that are working at microwave frequencies, noise is one of the big challenge. One of the techniques that can be used to avoid noise is by applying filtering techniques. Multiband matched band-stop filter using T-shape resonator were design at center frequencies of 1GHz and 1.5GHz. When designing multiband matched band-stop filter, the lossy nature of microstrip makes it difficult to achieve high Q factor. The objectives for this project is to design, simulate, fabricate and validate the design of multiband matched band-stop filter. The simulation process for this design is using Advanced Design System (ADS) software and fabricated using FR4 board. In real situation, this project will be able to isolate the signal of interest from interference signals. The result of the design can provide a better wireless communication system (noise free) and can reduce or eliminate noise/harmonics/spurious signal in wireless system.

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