A dual-frequency transformer for complex impedances with two unequal sections

IEEE Microwave and Wireless Components Letters

Volumn 19, Issue 2, 2009, Pages 77-79

  Wu, Yongle ^a   Liu, Yuanan ^a   Li, Shulan ^a  

^a BEIJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS   (China)

Author keywords

Complex impedances; Dual frequency; Impedance match

Indexed keywords

IMPEDANCE MATCHING (ELECTRIC); NONLINEAR EQUATIONS;

COMPLEX IMPEDANCES; CORRESPONDING SOLUTIONS; DIFFERENT FREQUENCIES; DUAL-FREQUENCY; IMPEDANCE MATCH; NUMERICAL EXAMPLES; TWO SECTIONS;

ELECTRIC IMPEDANCE MEASUREMENT;

EID: 60449087650     PISSN: 15311309     EISSN: None     Source Type: Journal    
DOI: 10.1109/LMWC.2008.2011315     Document Type: Article

References (9)

1. Y. L. Chow and K. L.Wan, "A transformer of one-third wavelength in two sections-For a frequency and its first harmonic," IEEE Microw. Wireless Compon. Lett., vol. 12, no. 1, pp. 22-23, Jan. 2002.
2. C. Monzon, "Analytical derivation of a two-section impedance transformer for a frequency and it first harmonic," IEEE Microw. Wireless Compon. Lett., vol. 12, no. 10, pp. 381-382, Oct. 2002.
3. C. Monzon, "A small dual-frequency transformer in two sections," IEEE Trans. Microw. Theory Tech., vol. 51, no. 4, pp. 1157-1161, Apr. 2003.
4. L. Wu, H. Yilmaz, T. Bitzer, A. Pascht, and M. Berroth, "A dual-frequency Wilkinson power divider: For a frequency and its first harmonic," IEEE Microw. Wireless Compon. Lett., vol. 15, no. 2, pp. 107-109, Feb. 2005.
5. L. Wu, Z. Sun, H. Yilmaz, and M. Berroth, "A dual-frequency wilkinson power divider," IEEE Trans. Microw. Theory Tech., vol. 54, no. 1, pp. 278-284, Jan. 2006.
6. "Optimization Toolbox™ 4 User's Guide" The MathWorks, Inc., 2008 [Online]. Available: www.mathworks.com
7. T. A. Milligan, "Transmission-line transformation between arbitrary impedances," IEEE Trans. Microw. Theory Tech. (Letters), vol. MTT-24, no. 3, p. 159, Mar. 1976.
8. M. H. N. Potok, "Comments on 'Transmission-line transformation between arbitrary impedances'," IEEE Trans. Microw. Theory Tech., vol. MTT-25, no. 1, pp. 77-1, Jan. 1977.
9. K. Kurokawa, "Power waves and the scattering matrix," IEEE Trans. Microw. Theory Tech., vol. MTT-13, no. 3, pp. 194-202, Mar. 1965.