PROJECT TITLE :
Wideband bandpass filter using symmetric multimode resonator
A completely unique wideband bandpass filter employing a symmetric multimode resonator is proposed. A good passband with two transmission zeros close to the passband is realised by changing the characteristic impedance of the multimode resonator, and the bandwidth of the 5-order passband with even/odd-modes can be adjusted. A planar wideband bandpass filter prototype with 3 dB fractional bandwidth of sixty two.sevenp.c is meant and fabricated.
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