D. M. Pozar, Microwave Engineering, John Wiley & Sons 1998.
 E. Goron, J.P. Coupez, C. Person, Y. Toutain, H. Lattard, and F. Perrot,
Accessing to UMTS filtering specifications using new microstrip
miniaturized loop-filters, IEEE MTT-S Int Microwave Symp Dig
Philadelphia, PA (2003), 1599–1602.
 Strassner, B. and K. Chang, “Wide-band low-loss high isolation
microstrip periodic-stub diplexer for multiple-frequency applications”,
IEEE Trans. Microw. Theory Tech., Vol. 49, 1818-1820, 2001.
 Ye, C. S., Y. K. Su, M. H. Weng, and C. Y. Hung, “A microstrip ringlike
diplexer for bluetooth and ultra wide band (UWB) application, ”
Microwave & Opt. Tech. Lett., Vol. 51, 1518-1520, 2009.
 Weng, M. H., C. Y. Hung, and Y. K. Su, “A hairpin line diplexer for
direct sequence ultra-wideband wireless communications,” IEEE
Microw. Wireless Compon. Lett., Vol. 17, 519-521, 2007.
 Chen, C. F., T. Y. Huang, C. P. Chou, and R. B. Wu, “Microstrip
diplexers design with common resonator sections for compact size, but high isolation,” IEEE Trans. Microw. Theory Tech., Vol. 54, 1945-1952,
 F. Sheta, J. P. Coupez, G. Tanné, S. Toutain, and J. P. Bolt, “Miniature
microstrip stepped impedance resonator band pass filters and diplexers
for mobile communications,” 1996 IEEE MTT-S Digest, WE2C-2, pp.
 W. W. Choi, and K. W. Tam, “A microstrip SIR dual-mode bandpass
filter with simultaneous size reduction and spurious responses
suppression, ” IEEE MTT-S International Microwave Workshop Series
on Art of Miniaturizing RF and Microwave Passive Components,
Chengdu, China, 2008.
 Tang, C. W. and H. H. Liang, “Parallel-coupled stacked SIRs bandpass
filters with open-loop resonators for suppression of spurious responses,”
IEEE Microw. Wireless Compon. Lett., Vol. 15, 802-804, 2005.
 Makimoto, M. and S. Yamashita, “Bandpass filters using parallelcoupled
stripline stepped-impedance resonators,” IEEE Trans. Microw.
Theory Tech., Vol. 28, 1413-1417, 1980.
 C. Quendo, E. Rius, C. Person, “ Narrow bandpass filters using dual
behavior resonators (DBRs) based on stepped impedance stubs and
differents-length stubs,” IEEE Trans. Microwave Theory & Tech, vol.
52, n°3, March 2004.
 Sugchai, Tantiviwat “A Design of Wide-Stopband Microstrip Diplexers
with Multiorder Spurious-Mode Suppression Using Stepped-Impedance
Resonators,” presented in IEEE Engineering and Technology (S-CET),
2012 Spring Congress, 27-30 May 2012.
 Puttadilok, Duangporn, “A microstrip diplexer filter using steppedimpedance
resonators,” presented in IEEE SICE Annual Conference,
20-22 Aug 2008.
 S.-C. Lin, P.-H. Deng, Y.-S. Lin, C.-H. Wang and C. H. Chen, “Widestopband
microstrip bandpass filters using dissimilar quarter-wavelength
stepped-impedance resonators”, IEEE Trans. Microwave Theory Tech.,
Vol. 54, pp. 1011-1018, Mar. 2006.
 C.-W. Tang and H.-H. Liang, “Parallel-coupled stacked SIRs bandpass
filters with open-loop resonators for suppression of spurious responses”,
IEEE Microwave Wireless Comp. Lett., Vol. 15, pp. 802-804, Nov.
 H. Wang and L. Zhu, “Microstrip bandpass filters with ultra-broad
rejection band using stepped impedance resonator and high-impedance
transformer”, in IEEE MTT-S Int. Microwave Symp. Dig., pp. 683-686,
Long Beach, USA, June 2005.