Compact Bandpass Filter Using Two Ring Resonators and Two Open Stubs
- Publication Type:
- Conference Proceeding
- 2018 Cross Strait Quad-Regional Radio Science and Wireless Technology Conference, CSQRWC 2018, 2018
- Issue Date:
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© 2018 IEEE. A compact bandpass filter (BPF) using two ring resonators and two open stubs is proposed, where fifth-order passband with twelve transmission zeros at the stopband is realized. For demonstration, a filter example with center frequency of 2.04 GHz and 3 dB fractional bandwidth of 18.6% is designed. Good performance including high selectivity in the passband and sharp stopband rejection for the filter has been realized.
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