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Abstract
In this article, a new compact microstrip bandpass Alter with ultra-wideband passband is implemented and proposed. The filter is constructed of only one-stage parallel-coupled line and two symmetric short-circuited stubs which are quarter wavelength long at the center frequency. The short-circuited stubs are connected at the input/output ends of the parallel-coupled lines to improve the selectivity at both edges of the desired passband. The design of the proposed filter is successfully realized in theory and verified by full-wave electromagnetic simulation and the experiment. An excellent agreement between the expected and measured results is obtained.
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Notes on contributors
Hussein Shaman
Hussein Shaman received his B.Eng. and PhD degrees in Electrical Engineering from Heriot-watt University in 2005 and 2008, respectively. In 2010, he joined the National Satellite Technology Center at King Abdulaziz City for Science and Technology, where he worked as a systems engineer for satellite systems. He is now with Advanced Sensors and Electronic Defense Center (ASED) at KACST, Riyadh, Saudi Arabia. His current interests involve RF/microwave devices, such as antennas and filters, for wireless communications, satellite, and radar systems. E-mail: [email protected]