References in periodicals archive ?
Wu, "Transmission zero design grapf for dual-mode dual-band filter with periodic stepped-impedance ring resonator," Progress In Electromagnetics Research, Vol.
Zhu, "Microstrip dual-mode filters with miniaturized size and broadened stopband using meander-shaped stepped-impedance ring resonator," IEICE Electronics Express, Vol.
Chen, "Microstrip bandpass filters using stepped-impedance ring resonators for harmonic suppression," Microwave and Optical Technology Letters, Vol.