Design Microstrip Bandpass Filter For WiMAX System

Nur Zatul 'Iffah, Zakwa (2012) Design Microstrip Bandpass Filter For WiMAX System. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This thesis provides the reader with a detailed and comprehensive study of theory, design, simulation, fabrication and result in designing microstrip bandpass filter for Worldwide Interoperability Microwave (WiMAX) Access system. The approaches used to achieve this project are through literature review, calculation, designation and simulation by using computer software. These approaches are used to analyze whether the characteristics of microstrip bandpass filter is fulfil the required specification before fabrication process is done to obtain the output result. Bandpass filter are used as frequency selective devices in many Radio Frequency (RF) and microwave applications. There are several types and techniques are used in designing the bandpass filter which is parallel-coupled microstrip bandpass filter, edges microstrip bandpass filter, and hairpin microstrip bandpass filter. The filter design for this project is concentrated on the parallel-coupled microstrip bandpass filter that operates at 2.5 GHz with 200 MHz bandwidth by using FR4 substates. This project were began on designing and simulating process by using Advanced Design System (ADS) software to analyze the characteristics of the microstrip bandpass filter and to determine and obtain the output result of Return Loss, and Insertion Loss, . The parallel-coupled microstrip bandpass filter is fabricate to measure the Return Loss, and Insertion Loss, . The better output result of Return Loss, must greater than -20 dB and Insertion Loss, is equal to 0 dB.

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