Compact Wideband Differential Bandpass Filters Using Half-Wavelength Ring Resonator
作者： Wenjie Feng , Wenquan Che , Yalin Ma , Quan Xue
DOI: 10.1109/LMWC.2013.2239632
关键词:
摘要: A new compact wideband differential bandpass filters with wideband common mode suppression using half-wavelength ring resonator is presented in this letter. Five-order passband for the wideband differential mode with two transmission zeros close to the passband is realized with four open stubs. A planar wideband differential filter (3 dB fractional bandwidth 79%) with wideband common mode suppression is designed and fabricated. The theoretical and measured results agree well and show good in-band filtering …
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