Directional coupler
A directional coupler that the utility model relates to has a main line connecting an input port and an output port, and a sub-line connecting a coupling port and a terminal port. The sub-line has a first coupling line part connected to the terminal port, a second coupling line part connected to the...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A directional coupler that the utility model relates to has a main line connecting an input port and an output port, and a sub-line connecting a coupling port and a terminal port. The sub-line has a first coupling line part connected to the terminal port, a second coupling line part connected to the coupling port, and a low pass filter. The low pass filter has an inductor arranged between the first coupling line part and the second coupling line part, a first capacitor one end of which is connected to a connecting point of the inductor and the second coupling line part a resistor connecting the other end of the first capacitor and a ground wire, and a second capacitor connecting a connecting point of the inductor and the first coupling line part and the ground wire. |
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