Bandpass Filters Designed by Transmission Zero Resonator Pairs With Proximity Coupling - Xue, Quan; Jin, Jun Ye (IEEE transactions on microwave theory and techniques, 2017)
Keywords: Bandpass filter; Bandpass filters; Coupling; Couplings; Cutoff frequency; Design; Electromagnetic wave filters; Filter design (mathematics); Filtering theory; Microstrip; Microstrip transmission lines; microwave filter; Passband; Poles and zeros; Rectangular waveguides; Resonant frequencies; Resonant frequency; Resonators; Selectivity; transmission zero resonator pairs (TZRPs); transmission zeroes; waveguide filter