DocumentCode
2988227
Title
A new type duplexer [mobile telephone equipment]
Author
Gunji, Katuhiko ; Komazaki, Tomokazu ; Onishi, Norio
Author_Institution
OKI Electr. Ind. Co. Ltd., Honjo, Japan
fYear
1988
fDate
15-17 Jun 1988
Firstpage
560
Lastpage
565
Abstract
A new type of duplexer is reported that has been realized with a single integrated-structure core and coupling circuit consisting of only an inductor. The unit is a small and high reliability duplexer for mobile telephone equipment. The coupling circuit, and the design and experimental results of the duplexer are described
Keywords
mobile radio systems; radiotelephony; telephone equipment; coupling circuit; duplexer; inductor; mobile telephone equipment; reliability; single integrated-structure core; Band pass filters; Coupling circuits; Dielectric substrates; Electrodes; Equations; Frequency; Impedance; Microwave filters; Resonator filters; Telephone equipment;
fLanguage
English
Publisher
ieee
Conference_Titel
Vehicular Technology Conference, 1988, IEEE 38th
Conference_Location
Philadelphia, PA
ISSN
1090-3038
Type
conf
DOI
10.1109/VETEC.1988.195418
Filename
195418
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