High isolation and compact size microstrip hairpin diplexer

IEEE Microwave and Wireless Components Letters

Volumn 15, Issue 2, 2005, Pages 101-103

  Srisathit, Sarayut ^a   Patisang, Sumongkol ^a   Phromloungsri, Ravee ^a   Bunnjaweht, Sawat ^a   Kosulvit, Sompol ^b   Chongcheawchamnan, Mitchai ^a  

^a MAHANAKORN UNIVERSITY OF TECHNOLOGY   (Thailand)

^b Faculty of Engineering   (Thailand)

Author keywords

Diplexer; Hairpin filter; Resonator; Spurious response; Stepped impedance coupled line

Indexed keywords

ACOUSTIC IMPEDANCE; BANDPASS FILTERS; FREQUENCIES; MATHEMATICAL MODELS; MICROSTRIP DEVICES; MICROWAVE FILTERS; NETWORKS (CIRCUITS); PROBLEM SOLVING;

COUPLED LINE; DIPLEXER; HAIRPIN FILTERS; SPURIOUS RESPONSE; STEPPED IMPEDENCE;

RESONATORS;

EID: 13844271117     PISSN: 15311309     EISSN: None     Source Type: Journal    
DOI: 10.1109/LMWC.2004.842839     Document Type: Article

References (7)

1. G. L. Matthaei and E. G. Cristal, "Multiplexer channel-separating units using interdigital and parallel-coupled filters," IEEE Trans. Microw. Theory Tech., vol. MTT-13, no. 3, pp. 328-334, May 1965.
2. G. L. Matthaei, L. Young, and E. M. T. Jones, Microwave Filters, Impedance-Matching Networks, and Coupling Structure. New York: McGraw-Hill, 1964.
3. E. G. Cristal and S. Frankel, "Hairpin-line and hybrid hairpin-line/halfwave parallel-coupled-line filters," IEEE Trans. Microw. Theory Tech., vol. MTT-20, no. 11, pp. 719-728, Nov. 1972.
4. B. Strassner and K. Chang, "Wide-band low-loss high-isolation microstrip periodic-stub diplexer for multiple-frequency applications," IEEE Trans. Microw. Theory Tech., vol. 49, no. 10, pp. 1818-1820, Oct. 2001.
5. Y. Toutain, C. Person, and J. Ph. Coupez, "Design and implementation of a compact microstrip Tx/Rx diplexer for UMTS equipments," in Proc. Int. MIKON'02 Conf., 2002, pp. 187-190.
6. V. Radisic, Y. Qian, R. Coccioli, and T. Itoh, "Novel 2-D photonic bandgap structure for microstrip lines," IEEE Microw. Guided Wave Lett., vol. 8, no. 2, pp. 69-71, Feb. 1998.
7. S. Denis, Ch. Person, S. Toutain, B. Theron, and S. Vigneron, "Parallel coupled microstrip filter with phase difference compensation," Electron Lett., vol. 31, no. 22, pp. 1927-1928, Oct. 1995.