Microstrip tunable bandstop filter with constant absolute bandwidth

References

• Keane WJ. YIG filters aid wide open receivers. Microw. J. 1980;17:50–54.
   Google Scholar
• Park S-J, Rebeiz GM. Low-loss two-pole tunable filters with three different predefined bandwidth characteristics. IEEE Trans. Microw. Theory Tech. 2008;56:1137–1148.
   Web of Science ®Google Scholar
• El-Tanani MA, Rebeiz GM. Corrugated microstrip coupled lines for constant absolute bandwidth tunable filters. IEEE Trans. Microwave Theory Tech. 2010;58:956–963.
   Web of Science ®Google Scholar
• Huang X-G, Feng Q-Y, Xiang Q-Y. Bandpass filter with tunable bandwidth using quardruple-mode stub-loaded resontor. IEEE Microwave Compon. Lett. 2012;22:176–178.
   Web of Science ®Google Scholar
• Xiang Q-Y, Feng Q-Y, Huang X-G, Jia D-H. Electrical tunable microstrip LC bandpass filters with constant bandwidth. IEEE Trans. Microwave Theory Tech. 2013;61:1124–1130.
   Web of Science ®Google Scholar
• Zhang X-Y, Xue Q, Chan C-H, Hu B-J. Low-loss frequency-agile bandpass filters with controllable bandwidth and suppressed second harmonic. IEEE Trans. Microwave Theory Tech. 2010;58:1557–1564.
   Web of Science ®Google Scholar
• Wang X-G, Cho Y-H, Yun S-W. A tunable combline bandpass filter loaded with series resonator. IEEE Trans. Microwave Theory Tech. 2012;60:1569–1576.
   Web of Science ®Google Scholar
• Chiou Y-C, Rebeiz GM. Tunable 1.55–2.1 GHz 4-pole elliptic bandpass filter with bandwidth control and >50 dB rejection for wireless systems. IEEE Trans. Microwave Theory Tech. 2013;61:117–124.
   Google Scholar
• Park S-J, Lee K-Y, Rebeiz GM. Low-loss 5.15–5.70-GHz RF MEMS switchable filter for wireless LAN application. IEEE Trans. Microw. Theory Tech. 2006;54:3931–3939.
   Web of Science ®Google Scholar
• Park S-J, EI-Tanani MA, Reines I, Rebeiz GM. Low-loss 4–6-GHz tunable filter with 3-bit high-Q orthogonal bias RF-MEMS capacitance network. IEEE Trans. Microwave Theory Tech. 2008;56:2348–2355.
   Web of Science ®Google Scholar
• Chun YH, Hong JS, Bao P, Jackson TJ. Tunable slotted ground structured bandstop filter with BST varactors. IET Microwaves Antennas Propag. 2009;3:870–876.
   Web of Science ®Google Scholar
• Reines I, Park S-J, Rebeiz GM. Compact low-loss tunable X-band bandstop filter with miniature RF-MEMS switches. IEEE Trans. Microwave Theory Tech. 2010;58:1887–1895.
   Web of Science ®Google Scholar
• Jachowski DR, Rauscher C. Frequency-agile bandstop filter with tunable attenuation. In: Proceedings of the IEEE MTT-S International Microwave Symposium Digest; 2009; Boston, USA. p. 649–652.
   Google Scholar
• Abunjaileh AI, Hunter IC. Tunable bandpass and bandstop filters based on dual-band combline structures. IEEE Trans. Microwave Theory Tech. 2010;58:3710–3719.
   Web of Science ®Google Scholar
• Zhang X-Y, Chan CH, Xue Q, Hu B-J. RF tunable bandstop filters with constant bandwidth based on a doublet configuration. IEEE Trans. Ind. Electron. 2012;59:1257–1265.
   Web of Science ®Google Scholar
• Pozar DM. Microwave engineering. 3rd ed. New York (NY): Wiley; 2005.
   Google Scholar
• Ma Z, Kikuchi K, Kobayashi Y, Anada T, Hagiwara G. Novel microstrip dual-band bandstop filter with controllable dual-stopband response. In: Proceedings of Asia Pacific Microwave Conference; 2007; Yokohama, Japan. p. 1177–1180.
   Google Scholar
• Matthaei G, Young L, Jones EMT. Microwave filter, impedance-macthing networks and coupling structures. Norwood (MA): Artech House; 1980.
   Google Scholar
• Tsai CM, Lee HM, Tsai CC. Planar filter design with fully controllable second passband. IEEE Trans. Microwave Theory Tech. 2005;53:3429–3439.
   Web of Science ®Google Scholar
• Anita Yim H-Y, Michael Cheng K-K. Novel dual-band planar resonator and admittance inverter for filter design and applications. In: Proceedings of the IEEE MTT-S International Microwave Symposium Digest; 2005; Long Beach, USA. p. 2187–2190.
   Google Scholar
• Chin KS, Yeh JH, Chao SH. Compact dual-band bandstop filters with stepped-impedance resonators. IEEE Microwave Wireless Compon. Lett. 2007;17:176–178.
   Google Scholar