volume | PIER Journals

Abstract

In this paper, broadband transitions from substrate integrated coaxial line (SICL) to a conductor-backed coplanar waveguide (CBCPW) are proposed and designed. Measurement results show that the insertion loss and return loss are better than -0.5 dB and -10 dB, respectively from 0 to 13 GHz. Then, for verifying the performance of SICL and the validity of SICL transition design, a 3 dB SICL rat-race coupler operating at 2.3 GHz is designed, fabricated, and measured. Compared with the conventional microstrip line coupler, this SICL coupler maintains good performance but with a remarkable 24% reduction in size. At last, a 10 dB dual-band coupled SICL coupler operating at 2.4/5.8 GHz is proposed, and the measured results agree well with the schematic and electromagnetic simulated results. The measured results demonstrate that the fabricated bandwidths are 30% and 12.8%, the |S₃₁| are -10.1 dB and -10.3 dB, the directivities are 18 dB and 20 dB at the low (2.4 GHz) and high (5.8 GHz) operating frequencies, respectively. Compare with the dual-band coupled microstrip line coupler, performance of the dual-band coupled SICL coupler is enhanced.

1. Deslandes, D. and K. Wu, "Integrated microstrip and rectangular waveguide in planar form," IEEE Microw. Wireless Compon. Lett., Vol. 11, 68-70, 2001.
doi:10.1109/7260.914305 Google Scholar

2. Wu, K., "Substrate integrated circuits (SICs) for low-cost high-density integration of millimeter-wave wireless systems," IEEE Radio and Wireless Symp., 683-686, 2008. Google Scholar

3. Bozzi, M., A. Georgiadis, and K. Wu, "Review of substrate-integrated waveguide circuits and antennas," IET Microwaves, Antennas & Propagation, Vol. 5, 909-920, 2011.
doi:10.1049/iet-map.2010.0463 Google Scholar

4. Gatti, F., M. Bozzi, L. Perregrini, K. Wu, and R. G. Bosisio, "A novel substrate integrated coaxial line (SICL) for wide-band applications," 36th European Microwave Conference, 1614-1617, 2006. Google Scholar

5. Gatti, F., M. Bozzi, L. Perregrini, K. Wu, and R. G. Bosisio, "A new wide-band six-port junction based on substrate integrated coaxial line (SICL) technology," IEEE Mediterranean Electrotechnical Conference, 367-370, 2006. Google Scholar

6. Zhu, F., W. Hong, J.-X. Chen, and K. Wu, "Ultra-wideband single and dual baluns based on substrate integrated coaxial line technology," IEEE Trans. Microw. Theory Tech., Vol. 60, No. 10, 3062-3070, 2012.
doi:10.1109/TMTT.2012.2209448 Google Scholar

7. Zhou, Y. and S. Lucyszyn, "Modelling of reconfigurable terahertz integrated architecture (Retina) SIW structures," Progress In Electromagnetics Research, Vol. 105, 71-92, 2010.
doi:10.2528/PIER10041806 Google Scholar

8. Urbano, D., E. Arnieri, G. Cappuccino, and G. Amendola, "Simulation and timing performances of integrated waveguides for ultra-high speed interconnects," Microwave Opt. Technol. Lett., Vol. 50, 666-672, 2008.
doi:10.1002/mop.23168 Google Scholar

9. Liang, W. and W. Hong, "Substrate integrated coaxial line 3 dB coupler," Electronics Letters, Vol. 48, 35-36, 2012.
doi:10.1049/el.2011.2708 Google Scholar

10. Song, K. and Y. Fan, "Ku-band substrate integrated waveguide transitions between layers," Microwave Opt. Technol. Lett., Vol. 51, 2585-2588, 2009.
doi:10.1002/mop.24685 Google Scholar

11. Deslandes, D. and K. Wu, "Analysis and design of current probe transition from grounded coplanar to substrate integrated rectangular waveguides," IEEE Trans. Microw. Theory Tech., Vol. 53, 2487-2494, 2005.
doi:10.1109/TMTT.2005.852778 Google Scholar

12. Chen, X. P. and K. Wu, "Low-loss ultra-wideband transition between conductor-backed coplanar waveguide and substrate integrated waveguide," IEEE MTT-S Int. Microwave Symp. Dig., 349-352, 2009. Google Scholar

13. Koziel, S. and S. Ogurtsov, "Design of broadband transitions for substrate integrated circuits," Microwave Opt. Technol. Lett., Vol. 53, 2942-2945, 2011.
doi:10.1002/mop.26391 Google Scholar

14. Lee, S., S. Jung, and H. Y. Lee, "Ultra-wideband CPW-to-substrate integrated waveguide transition using an elevated-CPW section," IEEE Microw. Wireless Compon. Lett., Vol. 18, 746-748, 2008.
doi:10.1109/LMWC.2008.2005230 Google Scholar

15. Zhang, Q. L., W. Y. Yin, S. He, and L. S. Wu, "Evanescent-mode substrate integrated waveguide (SIW) filters implemented with complementary split ring resonators," Progress In Electromagnetics Research, Vol. 111, 419-432, 2011.
doi:10.2528/PIER10110307 Google Scholar

16. Xu, Z. Q., Y. Shi, P. Wang, J. X. Liao, and X. B. Wei, "Substrate integrated waveguide (SIW) filter with hexagonal resonator," Journal of Electromagnetic Waves and Applications, Vol. 26, No. 11-12, 1521-1527, 2012.
doi:10.1080/09205071.2012.703951 Google Scholar

17. Jedrzejewski, A., N. Leszczynska, L. Szydlowski, and M. Mrozowski, "Zero-pole approach to computer aided design of in-Line SIW filters with transmission zeros," Progress In Electromagnetics Research, Vol. 131, 517-533, 2012. Google Scholar

18. Masa-Campos, J. L., P. Rodriguez-Fernandez, M. Sierra-Peerez, and J. L. Fernandez-Jambrina, "Monopulse circularly polarized SIW slot array antenna in millimetre band," Journal of Electromagnetic Waves and Applications, Vol. 25, No. 5-6, 857-868, 2011.
doi:10.1163/156939311794827311 Google Scholar

19. Corona-Chavez, A. and T. Itoh, "Novel miniaturized triplexer using substrate integrated technology," Asia-Pacific Microwave Conference Proceedings, 678-681, 2010. Google Scholar

20. Liu, Y., X. H. Tang, and T. Wu, "SIW-based low phase-noise millimeter-wave planar dual-port voltage-controlled oscillator," Journal of Electromagnetic Waves and Applications,, Vol. 26, No. 8-9, 1059-1069, 2012.
doi:10.1080/09205071.2012.710375 Google Scholar

21. Li, J., Y. Wu, Y. Liu, J. Shen, S. Li, and C. Yu, "A generalized coupled-line dual-band Wilkinson power divider with extended ports," Progress In Electromagnetics Research, Vol. 129, 197-214, 2012. Google Scholar

22. Wu, Y., Y. Liu, and Q. Xue, "An analytical approach for a novel coupled-line dual-band Wilkinson power divider," IEEE Trans. Microw. Theory Tech., Vol. 59, No. 2, 286-294, 2011.
doi:10.1109/TMTT.2010.2084096 Google Scholar

23. Li, B., X. Wu, N. Yang, and W. Wu, "Dual-band equal/unequal wilkinson power dividers based on coupled-line section with short-circuited stub," Progress In Electromagnetics Research, Vol. 111, 163-178, 2011.
doi:10.2528/PIER10110108 Google Scholar

24. Lin, Z. and Q.-X. Chu, "A novel approach to the design of dual-band power divider with variable power dividing ratio based on coupled-lines," Progress In Electromagnetics Research, Vol. 103, 271-284, 2010.
doi:10.2528/PIER10012202 Google Scholar

25. Lee, S. and Y. Lee, "A uniform coupled-line dual-band filter with different bandwidths," IEEE Microw. Wireless Compon. Lett., Vol. 20, No. 10, 545-547, 2010.
doi:10.1109/LMWC.2010.2065219 Google Scholar

26. Chen, X. W., L. Li, Y. Zhang, Y. Geng, and W. Zhang, "Balanced dual-band bandpass filter based on asymmetrical coupled lines," Electromagnetics, Vol. 32, No. 1, 1-7, 2012.
doi:10.1080/02726343.2012.633875 Google Scholar

27. Wang, X., W.-Y. Yin, and K.-L. Wu, "A dual-band coupled-line coupler with an arbitrary coupling coefficient," IEEE Trans. Microw. Theory Tech., Vol. 60, No. 4, 945-951, 2012.
doi:10.1109/TMTT.2012.2185949 Google Scholar

28. Li, S., B. Tang, Y. Liu, S. Li, C. Yu, and Y. Wu, "Miniaturized dual-band matching technique based on coupled-line transformer for dual-band power amplifiers design," Progress In Electromagnetics Research, Vol. 131, 195-210, 2012. Google Scholar

29. Lo, W. T., C. C. Tzuang, S. T. Peng, C. C. Tien, C. C. Chang, and J. W. Huang, "Resonant phenomena in conductor-backed coplanar waveguides (CBCPW's)," IEEE Trans. Microw. Theory Tech., Vol. 41, 2099-2108, 1993. Google Scholar

30. Pozar, D. M., "Microwave Engineering," Wiley, 352, 2005. Google Scholar

Dr. Qiang Liu

Dr. Yuan'an Liu

Prof. Yongle Wu

Dr. Shulan Li

Dr. Cuiping Yu

Dr. Ming Su