Design of Compact Microstrip Low-pass Fil- Ter with Ultra-wide Stopband Using Sirs

@inproceedings{Wang2010DesignOC,
  title={Design of Compact Microstrip Low-pass Fil- Ter with Ultra-wide Stopband Using Sirs},
  author={L. H. Wang and Hao Chun Yang and Yaping Li},
  year={2010}
}
Abstract—A novel low-pass filter (LPF) is designed and fabricated based on stepped-impedance resonator (SIR). Semi-circles are used to reduce the size of the filter. The open-circuited stubs are used in the filter, and its simplified equivalent circuit is also proposed. The measured 3 dB cutoff frequency is 5.2GHz with no more than 0.3 dB ripple level in the pass-band. From 5.5 to 14 GHz, the investigated LPF has a rejection level better than 20 dB. Measured results show good agreement with… CONTINUE READING

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