A compact directional coupler with tunable coupling ratio using coupled-line sections
Refereed conference paper presented and published in conference proceedings

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AbstractA compact directional coupler with tunable coupling ratio is proposed. It essentially consists of a pair of 180-degree long transmission-lines and two varactors, which are used for tuning of the coupling ratio in real-time. The particular coupler considered in this work makes use of the broadside coupling configuration to achieve size miniaturization and is, theoretically, capable of having any levels of coupling. A working prototype based on broadside-coupled coplanar waveguides (CPWs) has been successfully fabricated on a conventional single-layer printed circuit board (PCB), providing a good validation to the proposed concept. © 2011 Engineers Australia.
All Author(s) ListYeung L.K.
Name of ConferenceAsia-Pacific Microwave Conference, APMC 2011
Start Date of Conference05/12/2011
End Date of Conference08/12/2011
Place of ConferenceMelbourne, VIC
Country/Region of ConferenceAustralia
Detailed descriptionorganized by IEEE,
Pages1730 - 1733
LanguagesEnglish-United Kingdom
KeywordsCoplanar waveguides, coupled-line couplers, varactors, variable coupling

Last updated on 2020-04-09 at 02:43