Transmission line and antenna device

A transmission line has a triplate line including a first outer conductor and a second outer conductor disposed in parallel with each other at a predetermined interval, and a central conductor disposed in a space between the first outer conductor and the second outer conductor; and a dielectric spac...

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Bibliographische Detailangaben
Hauptverfasser:	Iso Naoki, Kitano Nobuaki
Format:	Patent
Sprache:	eng
Schlagworte:	ANTENNAS, i.e. RADIO AERIALS BASIC ELECTRIC ELEMENTS BASIC ELECTRONIC CIRCUITRY CABLES CONDUCTORS ELECTRICITY IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS INSULATORS RESONATORS RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES WAVEGUIDES
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Beschreibung
Zusammenfassung:	A transmission line has a triplate line including a first outer conductor and a second outer conductor disposed in parallel with each other at a predetermined interval, and a central conductor disposed in a space between the first outer conductor and the second outer conductor; and a dielectric spacer interposed between the first and second outer conductors and the central conductor and configured to support the central conductor. The central conductor has a supported portion supported by the dielectric spacer, and first and second high-impedance portions having characteristic impedances higher than a characteristic impedance in the supported portion. The first and second high-impedance portions are disposed on input and output sides, respectively, of the supported portion.