Bidirectional coupler

A bidirectional coupler includes the following elements. A main line and a sub-line are electromagnetically coupled. First and second resistors are each grounded at one end. First and second switches connect the sub-line to the first and second resistors or a third port. A third resistor is disposed...

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Bibliographische Detailangaben
1. Verfasser:	Kim, Ryangsu
Format:	Patent
Sprache:	eng
Schlagworte:	AMPLIFIERS BASIC ELECTRIC ELEMENTS BASIC ELECTRONIC CIRCUITRY ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS RESONATORS RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE TRANSMISSION WAVEGUIDES
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Beschreibung
Zusammenfassung:	A bidirectional coupler includes the following elements. A main line and a sub-line are electromagnetically coupled. First and second resistors are each grounded at one end. First and second switches connect the sub-line to the first and second resistors or a third port. A third resistor is disposed between one end of the sub-line and the first switch or between the other end of the sub-line and the second switch. When detecting an input signal, the first switch electrically connects one end of the sub-line to the other end of the first resistor and the second switch electrically connects the other end of the sub-line to the third port. When detecting a reflected signal, the first switch electrically connects one end of the sub-line to the third port and the second switch electrically connects the other end of the sub-line to the other end of the second resistor.