Frequency‐selectable dual‐band Wilkinson divider/combiner | Zendy

Chongcheawchamnan Mitchai | Zendy; Julrat Sakol | Zendy; Shafique Mohammad Farhan | Zendy; Robertson Ian D. | Zendy

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Frequency‐selectable dual‐band Wilkinson divider/combiner

Author(s) -

Chongcheawchamnan Mitchai,

Julrat Sakol,

Shafique Mohammad Farhan,

Robertson Ian D.

Publication year - 2013

Publication title -

iet microwaves, antennas and propagation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.555

H-Index - 69

eISSN - 1751-8733

pISSN - 1751-8725

DOI - 10.1049/iet-map.2013.0113

Subject(s) - wilkinson power divider , multi band device , dual (grammatical number) , frequency divider , current divider , power dividers and directional couplers , electronic engineering , computer science , physics , telecommunications , electrical engineering , engineering , art , antenna (radio) , literature

A technique for realising a compact frequency‐selectable dual‐band Wilkinson divider/combiner is presented in this study. To provide a frequency‐selection function, the band‐pass transmission‐line transformer (TLT) in a dual‐band device is replaced with a tuneable band‐reject TLT. To realise this tuneable device, a variable capacitively loaded spur‐line filter is proposed for its compact size. The theory based on an ideal transmission‐line circuit is developed to provide a design procedure. The proposed circuits are demonstrated with simulated and measured results of a Wilkinson divider/combiner fabricated on FR4 substrate.

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