Compact 1.75-2.7 GHz Tunable BPF With Wide Stopband Up to 9.5 GHz Using Harmonic-Controlled SIDGS Resonators - Tang, Deshan; Qian, Huizhen Jenny; Dong, Yuandan; Luo, Xun (IEEE transactions on circuits and systems. II, Express briefs, 2022)
Keywords: Bandpass filters; Capacitance; Electrical grounding; Harmonic control; Harmonic-controlled; Impedance; Inductors; Insertion loss; Power transmission lines; Resonant frequencies; Resonant frequency; Resonators; substrate-integrated defected ground structure (SIDGS); Substrates; tunable bandpass filter (BPF); Tunable filters; Tuning; wide stopband