CST – Computer Simulation Technology

Ultra-Wideband Bandpass Filter using Short Circuited Stubs
Yashika Saini, Mithilesh Kumar
International Journal of Engineering Research & Technology (IJERT)
Volume: 3, Issue: 1, January 2014
1853 - 1856
Bandpass, microstrip, optimum distributed HPF, step impedance LPF, ultra-wide band (UWB)
This paper presents a microstrip ultra-wideband (UWB) bandpass filter using short circuited stubs. The proposed filter is designed using combination of step impedance lowpass filter (LPF) and the optimum distributed highpass filter (HPF). The UWB filter is deployed on FR4 Epoxy dielectric substrate with thickness of 0.8mm and the filter occupies 26.4mm × 16mm die of area. This filter is operating in the whole UWB passband of 3.1 GHz to 10.6 GHz. The designed filter has been optimized using CST microwave studio software. The fabricated filter was tested and compared the result. The simulated and measured results shows the close agreement.

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