Compact Ultra-Wideband (UWB) Bandpass Filter with Dual Notched Bands
Keywords:
Ultra-wideband (UWB), bandpass filter (BPF), stepped-impedance resonator (SIR), defected ground structureAbstract
A compact ultra-wideband (UWB) bandpass filter with two controllable highly selective notched bands is presented. The modified stepped impedance resonator (SIR) and two interdigital feed-lines realize the UWB passband. The loaded stubs at each side of the modified SIR and the U-shaped slot on the ground plane produce two notched bands at desired frequencies without increasing the total size of the filter. High performance achieved by the proposed UWB filter is validated by both simulations and measurements.
Downloads
References
Federal Communications Commission, “Revision of Part 15 of the Commission’s Rules Regarding Ultra-Wideband Transmission Systems,” Tech. Rep. ET Docket 98-153, FCC02-48, 2002.
A. Boutejdar, M. Challal, and A. Azrar, “A Novel Band-stop Filter Using Octagonal-shaped Patterned Ground Structures Along with Interdigital and Compensated Capacitors,” Applied Computational Electromagnetics Society (ACES) Journal, vol. 26, no. 4, pp. 312-318, Apr. 2011.
G. E. Al-Omair and S. F. Mahmoud, A. S. AlZayed, “Lowpass and Bandpass Filter Designs Based on DGS with Complementary Split Ring Resonators,” Applied Computational Electromagnetics Society (ACES) Journal, vol. 26, no. 11, pp. 907-914, Nov. 2011.
A. Eroglu and R. Smith, “Triple Band Bandpass Filter Design and Implementation using SIRs,” 26th Annual Review of Progress in Applied Computational Electromagnetics (ACES), pp. 862- 865, Tampere, Finland, Apr. 2010.
F. Karshenas, A. R. Mallahzadeh, and J. RashedMohassel, “Size Reduction and Harmonic Suppression of Parallel Coupled-line Bandpass Filters using Defected Ground Structure,” Applied Computational Electromagnetics Society (ACES) Journal, vol. 25, no. 2, pp. 149-155, Feb. 2010.
H. Ishida and K. Araki, “Design and Analysis of UWB Bandpass Filter with Ring Filter,” IEEE MTT-S Int Microwave Symp. Dig., vol. 3, pp. 1307- 1310, Jun. 2004.
L. Zhu, S. Sun, and W. Menzel, “Ultra-wideband (UWB) Bandpass Filters Using Multiple-mode Resonator,” IEEE Microw. Wireless Compon. Lett., vol. 15, no. 11, pp. 796-798, Nov. 2005.
J. Gao, L. Zhu, W. Menzel, and F. Bogelsack, “Short-Circuited CPW Multiple-Mode Resonator for Ultra-wideband (UWB) Bandpass Filter,” IEEE Microw. Wireless Compon. Lett., vol. 16, no. 3, pp. 104-106, Mar. 2006.
F. Wei, C.-J. Gao, B. Liu, H.-W. Zhang, and X.-W. Shi, “UWB Bandpass Filter with Two Notchedbands Based on SCRLH Resonator,” Electron Lett., vol. 46, no. 16, pp. 1134-1135, Aug. 2010.
Q. Li, Z.-J. Li, C.-H. Liang, and B. Wu, “UWB Bandpass Filter with Notched Band Using DSRR,” Electron Lett., vol. 46, no. 10, pp. 692-693, May 2010.
K. Song and Q. Xue, “Asymmetric Dual-line Coupling Structure for Multiple-notch Implementation in UWB Bandpass Filters,” Electron Lett., vol. 46, no. 20, pp. 1388-1389, Sep. 2010.
K. Song and Q. Xue, “Compact Ultra-wideband (UWB) Bandpass Filters with Multiple Notched Bands,” IEEE Microw. Wireless Compon. Lett., vol. 20, no. 8, pp. 447-449, Aug. 2010.
K. S. Ryu and A. A. Kishk, “UWB Antenna with Single or Dual Band-notched for Lower WLAN Band and Upper WLAN Band,” IEEE Trans. Antennas Propag., vol. 57, no. 12, pp. 3942-3950, 2009.
J. W. Jung, H. J. Lee, and Y. S. Lim, “Band Notched Ultra Wideband Internal Antenna for USB Dongle Application,” Microw. Opt. Technol. Lett., vol. 50, no. 7, pp. 1789-1793, 2008.
S. Gao, S. Xiao, and B.-Z. Wang, “Ultrawideband Bandpass Filter with a Controllable Notched Band,” Microw. Opt. Technol. Lett., vol. 51, no. 7, pp. 1745-1748, Jul. 2009.
D. Ahn, J. S. Park, C. S. Kim, Y. Qian, and T. Itoh, “A Design of the Low-pass Filter using the Novel Microstrip Defected Ground Structure,” IEEE Trans. Microwave Theory Tech., vol. 49, pp. 86- 93, Jan. 2001.
