Generalized Chebyshev Microwave Filter For Wideband Applications

Lim, Feng Sheng (2012) Generalized Chebyshev Microwave Filter For Wideband Applications. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This project proposes a 7th order generalized Chebyshev filter with cut-off frequency at 10.6GHz to achieve wideband requirements such as in ultra wideband (UWB) by using Advance Design System (ADS) software. Normally, the conventional Chebyshev will produce amplitude variation in the passband and the transmission zeroes cannot be placed independently hence the selectivity of the filter is limited. Hence, this project intend to design a generalized Chebyshev filter prototype where the transmissions zeros can be placed independently hence offer better selectivity than the conventional Chebyshev characteristic. This project will be design based insertion loss method and is expected to achieve return loss with better than -20dB and insertion loss of -60dB at cutoff frequency of 10.6GHz. This proposed work represent the a 7th generalized Chebyshev lowpass filter using suspended stripline substrate for UWB applications such as wireless personal area network (WPAN), high-speed wireless universal serial bus (WUSB), satellite communication and next-generation Bluetooth technology.

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