Ultra-wideband (UWB) microstrip bandpass filter with narrow notched band

Hussein Shaman, Jia Sheng Hong

Research output: Chapter in Book/Report/Conference proceedingConference contribution

9 Citations (Scopus)


In this paper, we introduce a compact UWB microstrip bandpass filter (BPF) with narrow notched band inside its passband. The UWB BPF is based on a circuit model for an optimum distributed highpass filter with slow wave stepped impedance connecting lines. The rejection or notched band is implemented by adding stepped-impedance resonators (SIRs). The notched band can be easily generated and set at any desired frequency and can be controlled by variety parameters. The design is successfully realized in theory and verified by fullwave EM simulation and the experiments. The obtained results are demonstrated where excellent agreement is achieved. The filter exhibits low insertion loss over the desired passbands, a sufficient attenuation level at the centre frequency of the notched band and a good out-of-band performance. © 2008 EuMA.

Original languageEnglish
Title of host publicationProceedings of the 38th European Microwave Conference, EuMC 2008
Number of pages4
Publication statusPublished - 2008
Event38th European Microwave Conference - Amsterdam, Netherlands
Duration: 27 Oct 200831 Oct 2008


Conference38th European Microwave Conference
Abbreviated titleEuMC 2008

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