A design of the novel varactor tuned directional coupler

A design of the novel varactor tuned directional coupler

The directional coupler with a parallel LC resonator is proposed to control the operating frequency range. The proposed directional coupler is designed based on even-odd mode analysis technique. It has physically quarter wavelength coupled section at center frequency. A varactor tuned directional co...

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Bibliographische Detailangaben
Hauptverfasser: Kim, Chul-Soo, Yoon, Chul-Sang, Park, Jun-Seok, Ahn, Dal, Lim, Jae-Bong, Yang, Seung-In
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Consumer electronics
Directional couplers
Frequency
Radiofrequency amplifiers
Resonance
Transmission line matrix methods
Tunable circuits and devices
Varactors
Voltage
Wireless communication
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Beschreibung
Zusammenfassung:The directional coupler with a parallel LC resonator is proposed to control the operating frequency range. The proposed directional coupler is designed based on even-odd mode analysis technique. It has physically quarter wavelength coupled section at center frequency. A varactor tuned directional coupler is designed and fabricated with a parallel LC resonator. It shows the flexible operating frequency range with 40% tunable. The measured results show good agreement with the simulated characteristics.
ISSN:0149-645X
DOI:10.1109/MWSYM.1999.780304