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A dual-band crossover using cross-shaped microstrip line for small and large band ratios

Published online by Cambridge University Press:  17 April 2017

Idury Satya Krishna ,
Rusan Kumar Barik  and
S. S. Karthikeyan
Idury Satya Krishna*
Affiliation:
Department of Electronics Engineering, Indian Institute of Information Technology Design and Manufacturing Kancheepuram, Chennai-600127, India
Rusan Kumar Barik
Affiliation:
Department of Electronics Engineering, Indian Institute of Information Technology Design and Manufacturing Kancheepuram, Chennai-600127, India
S. S. Karthikeyan
Affiliation:
Department of Electronics Engineering, Indian Institute of Information Technology Design and Manufacturing Kancheepuram, Chennai-600127, India
*
Corresponding author: I. Satya Krishna Email: cds15m002@iiitdm.ac.in
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Abstract

A novel design of planar dual-band microstrip crossover operating at small and large frequency ratios is presented. These features of the proposed dual-band crossover are achieved by a cross-shaped transmission line. To obtain the dual-band characteristics, the required closed form design formulas are computed using the ABCD matrix method. Based on the design formulas, the realizable small and large band ratios are calculated as 1.65–2.14 and 4.1–8.76, respectively. To validate the computed band ratios, three examples of dual-band crossovers are presented. Finally, two prototypes of dual-band crossover working at smaller and larger frequency ratios are fabricated and tested. The fabricated dual-band crossovers exhibit good return loss and isolation of over 20 dB with minimal insertion loss.

Keywords

Passive components and circuitsModelingSimulation and characterizations of devices and circuits
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 9 , Special Issue 8: Biomedical Applications of RF/Microwave and Optics Technologies , October 2017 , pp. 1629 - 1635
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2017 

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References

REFERENCES

[1] Horng, T.-S.: A rigorous study of microstrip crossovers and their possible improvements. IEEE Trans. Microw. Theory Tech., 42 (9) (1994), 1802–1806.Google Scholar
[2] Becks, T.; Wolff, I.: Analysis of 3-D metallization structures by a full-wave spectral-domain technique. IEEE Trans. Microw. Theory Tech., 40 (12) (1992), 2219–2227.Google Scholar
[3] Yang, H.-Y.; Alexopoulos, N.-G.: Basic blocks for high-frequency interconnects. IEEE Trans. Microw. Theory Tech., 36 (8) (1988), 1258–1264.CrossRefGoogle Scholar
[4] Wight, J.-S.; Chudobiak, W.-J.; Makios, V.: A microstrip and stripline crossover structure. IEEE Trans. Microw. Theory Tech., 24 (5) (1976), 270–270.Google Scholar
[5] Yao, J.; Lee, C.; Yeo, S.-P.: Microstrip branch-line couplers for crossover application. IEEE Trans. Microw. Theory Tech., 59 (1) (2011), 87–92.Google Scholar
[6] Chen, Y.; Yeo, S.-P.: A symmetrical four-port microstrip coupler for crossover application. IEEE Trans. Microw. Theory Tech., 55 (11) (2007), 2434–2438.Google Scholar
[7] Chiou, Y.-C.; Lai, S.-W.; Kuo, J.-T.: Analysis and design of double-ring crossover junction with arbitrary diagonal port impedances, in IEEE Asia Pacific Microwave Conf., Suntec City, Singapore, 2009.Google Scholar
[8] Ng, M.-L., Pang, Y.-H.: A miniaturized planar crossover using dual transmission lines, in IEEE Asia-Pacific Symp. on Electromagnetic Compatibility (APEMC), Taipei, Taiwan, 2015.CrossRefGoogle Scholar
[9] Henin, B.; Abbosh, A.: Design of compact planar crossover using Sierpinski carpet microstrip patch. IET Microw. Antennas Propag., 7 (1) (2013), 54–60.Google Scholar
[10] Arigong, B. et al. : Ultra-compact lumped element cross-over. Electron. Lett., 51 (14) (2015), 1082–1084.Google Scholar
[11] Tang, C.-W.; Lin, K.-C.; Chen, W.-C.: Analysis and design of compact and wide-passband planar crossovers. IEEE Trans. Microw. Theory Tech., 62 (12) (2014), 2975–2982.Google Scholar
[12] Liu, X.; Yu, C.; Liu, Y.; Li, S.; Wu, F.; Su, M.: A novel compact planar crossover with simple design procedure, in IEEE Asia-Pacific Microwave Conf., Yokohama, Japan, 2010.Google Scholar
[13] Lee, Z.-W.; Pang, Y.-H.: Compact planar dual-band crossover using two-section branch-line coupler. Electron. Lett, 48 (21) (2012), 1348–1349.Google Scholar
[14] Yeung, S.; Ip, W.-C.; Cheng, K.-K.-M.: A novel dual-band crossover design with enhanced frequency band ratio and operating bandwidth, in IEEE Asia-Pacific Microwave Conf., Melbourne, Australia, 2011.Google Scholar
[15] Lin, F.; Chu, Q.-X.; Wong, S.-W.: Dual-band planar crossover with two-section branch-line structure. IEEE Trans. Microw. Theory Tech., 61 (6) (2013), 2309–2316.CrossRefGoogle Scholar
[16] Hsieh, S.-Y.; Chi, P.-L.: Miniaturized dual-band composite right/left-handed crossover, in IEEE Asia-Pacific Microwave Conf. Proc. (APMC), Seoul, South Korea, 2013.Google Scholar
[17] Wu, Q.; Zhao, X.; Liu, X.; Shi, X.: Analysis and design of compact planar crossover, in IEEE Asia-Pacific Microwave Conf. (APMC), Nanjing, China, 2015.Google Scholar
[18] Shao, J.; Ren, H.; Arigong, B.; Li, C.; Zhang, H.: A fully symmetrical crossover and its dual-frequency application. IEEE Trans. Microw. Theory Tech., 60 (8) (2010), 2410–2416.Google Scholar
[19] Tang, C.-W.; Lin, K.-C.; Chuang, W.-M.: Design of a microstrip dual-band crossover with asymmetrical π-shaped transmission lines. IEEE Microw. Wireless Compon. Lett., 25 (9) (2015), 588–590.Google Scholar
[20] Sinha, R.; De, A.: Comments on “design of a microstrip dual-band crossover with asymmetrical-shaped transmission lines”. IEEE Microw. Wireless Compon. Lett., 26 (7) (2016), 496–497.Google Scholar
[21] Maktoomi, M.-A.; Hashmi, M.-S.; Ghannouchi, F.-M.: Systematic design technique for dual-band branch-line coupler using T-and Pi-networks and their application in novel wideband-ratio crossover. IEEE Trans. Compon. Packag. Manuf. Technol. 6 (5) (2016), 784–795.Google Scholar