HIGH-FREQUENCY MODULE

Isolation characteristics of a directional coupler are improved. A high-frequency module (1) includes a substrate (2) and a directional coupler (5) provided on the substrate (2). The directional coupler (5) includes a main line (51), a sub line (52), and an impedance adjustment portion (7). The sub...

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Bibliographische Detailangaben
Hauptverfasser:	TAKENAKA, Isao, MATSUMOTO, Shou
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE WAVEGUIDES
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Beschreibung
Zusammenfassung:	Isolation characteristics of a directional coupler are improved. A high-frequency module (1) includes a substrate (2) and a directional coupler (5) provided on the substrate (2). The directional coupler (5) includes a main line (51), a sub line (52), and an impedance adjustment portion (7). The sub line (52) is electromagnetically coupled to the main line (51). The impedance adjustment portion (7) is provided in the sub line (52), and adjusts impedance of the directional coupler (5). The impedance adjustment portion (7) is electrically connected to an inductor of the substrate (2).