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- Title
Frequency-selectable dual-band Wilkinson divider/combiner.
- Authors
Chongcheawchamnan, Mitchai; Julrat, Sakol; Shafique, Mohammad Farhan; Robertson, Ian D.
- Abstract
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.
- Subjects
MULTIFREQUENCY antennas; POWER dividers; POWER combiners (Electronics); BANDPASS filters; BROADBAND communication systems; ELECTRIC circuits
- Publication
IET Microwaves, Antennas & Propagation (Wiley-Blackwell), 2013, Vol 7, Issue 10, p836
- ISSN
1751-8725
- Publication type
Article
- DOI
10.1049/iet-map.2013.0113