A simple design of low-loss quad-band Wilkinson power dividers

In this paper, a novel design method for quad-band Wilkinson power dividers is proposed. The design method is based on using a quad-band microstrip line. In comparison with other design methods, the proposed method has the advantages of simplicity and low insertion loss. To validate the proposed met...

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Bibliographic Details
Published in:Journal of Electrical Engineering 2024-02, Vol.75 (1), p.63-71
Main Authors: Giang, Nguyen Minh, Thang, Le Ho Manh, Manh, Le Dang, Huong, Tran Thi Thu
Format: Article
Language:English
Subjects:
Design techniques
Electrical engineering
Insertion loss
low-loss
microstrip coupler
Microstrip transmission lines
multiband
Power dividers
quad-band
Wilkinson power divider
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Summary:In this paper, a novel design method for quad-band Wilkinson power dividers is proposed. The design method is based on using a quad-band microstrip line. In comparison with other design methods, the proposed method has the advantages of simplicity and low insertion loss. To validate the proposed method, an equal quad-band power divider operating at four bands of 0.7, 1.2, 1.78, and 2.28 GHz was simulated and measured. Good agreement between measured results and simulated ones is obtained. The measured results show that the developed quad-band power divider features low insertion loss of less than 0.75 dB, isolation greater than 20.92 dB, and return loss better than 18 dB at four operating bands.
ISSN:1339-309X
1335-3632
1339-309X
DOI:10.2478/jee-2024-0009