| 摘要 |
An RF power sensor apparatus (300) comprising: a first input-side terminal (310) and a second input-side terminal (312) for connecting to spaced apart regions of an RF transmission line (302); a directional coupler comprising: an input-side coupling line (320) connected to the first input-side terminal (310) via a first capacitor (322) and connected to the second input-side terminal (312) via a second capacitor (324); and an output-side coupling line (330) connected to a first output-side terminal (332) and a second output-side terminal (334); wherein the input-side coupling line (320) is configured to be electromagnetically coupled to the output-side coupling line (330), when in use; and a sensor (340) connected to the first output-side terminal (332) and the second output-side terminal (334), the sensor (340) configured to sense an RF power coupled from the input-side coupling line (320) to the output-side coupling line (330) when the first input-side terminal (310) and second input-side terminal (312) are coupled to an RF transmission line (302) transmitting RF power. |
