Design And Development Of Rectangular Waveguide Bandpass Filter

Badrul Hisham, Ahmad and Redzuan, Abdul Manap and Noor Azwan, Shairi (2011) Design And Development Of Rectangular Waveguide Bandpass Filter. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

We all know how important is the communication in our live. So the good transmission lines can make our life much better and easier. The quality of transmission also important because we don't want the signal that we transfer or receive has a weakness such as losses. The waveguide is more useful elements in filter design as they generally have much higher Q factors than coaxial or other TEM resonators. Although, the waveguide has a distinct cut-off frequency above which electromagnetic energy will propagate and below which it is attenuated. The problem that why 1 proceed with this project is because the conventional planar filter like micro-strip filter producing several types of losses in transmission lines such as conductor, radiation, copper and dielectric losses. This project will demonstrate the characteristic of rectangular waveguide in producing a very high quality band-pass filter. The propose filter operate at X-band frequency (22.86mmX I 0.16mm) with I GHz bandwidth. This high performance filter can be in mobile phone base-station such as use for the military.

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