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Dual‐band W ilkinson power divider constructed using I ‐shaped lines
Author(s) -
Chin KuoSheng,
Lin TzuChiang,
Chang ChihChun,
Wang YuChung,
Kuo HaoChe,
Hu JyunYi
Publication year - 2015
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.29274
Subject(s) - wilkinson power divider , susceptance , multi band device , microwave , stub (electronics) , power dividers and directional couplers , electrical engineering , electrical impedance , wideband , electric power transmission , engineering , materials science , optoelectronics , physics , frequency divider , telecommunications , antenna (radio)
Dual‐band Wilkinson power dividers were constructed using I‐shaped lines. Inserting a stepped‐impedance stub in the middle of the lines could induce a shunt susceptance to achieve dual‐band 90° operation. The proposed circuit structure and synthesis equation had two degrees of freedom which could be exploited to reduce the impedance and length of the lines. An experimental 2.4/5.2 GHz Wilkinson power divider was demonstrated. The measurement shows S21 = −3.24 dB and S31 = −3.21 dB at 2.4 GHz and S21 = −3.26 dB and S31 = −3.37 dB at 5.2 GHz. The measured isolation level was 35.95 dB (2.4 GHz) and 36.57 dB (5.2 GHz). © 2015 Wiley Periodicals, Inc. Microwave Opt Technol Lett 57:2034–2037, 2015
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