A novel broadband Marchand balun using multilayer coupled microstrip lines configuration

Zhongpu Li; Shu Zhang; Jiawen Sun; Ziteng Ma; Shengzhou Zhang

doi:10.1117/12.2543104

18 December 2019 A novel broadband Marchand balun using multilayer coupled microstrip lines configuration

Zhongpu Li, Shu Zhang, Jiawen Sun, Ziteng Ma, Shengzhou Zhang

Proceedings Volume 11334, AOPC 2019: Optoelectronic Devices and Integration; and Terahertz Technology and Applications; 113341L (2019) https://doi.org/10.1117/12.2543104
Event: Applied Optics and Photonics China (AOPC2019), 2019, Beijing, China

Abstract

A novel marchand balun is proposed using multilayer microstrip lines technology. The developed balun achieves he broadband operation and the blocking by introducing rectangle-shape microstrip and a U-shape microstrip coupled line in the conventional marchand balun. Meanwhile, the distribution of the electromagnetic field in the multilayer microstrip circuit has been analyzed. The measured results of the proposed balun agree well with the full-wave simulation results across the bandwidth from 20GHz to 55GHz,the insertion loss and the phase difference is better than 5dB and close to 1800,,respectively, and the circuit size is about 2.6mm *1.5mm.

Citation Download Citation

Zhongpu Li, Shu Zhang, Jiawen Sun, Ziteng Ma, and Shengzhou Zhang "A novel broadband Marchand balun using multilayer coupled microstrip lines configuration", Proc. SPIE 11334, AOPC 2019: Optoelectronic Devices and Integration; and Terahertz Technology and Applications, 113341L (18 December 2019); https://doi.org/10.1117/12.2543104

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