| 摘要 |
PURPOSE:To convert a microwave signal of a waveguide into a strip line mode with simple structure, high reliability and high stability by constituting the converter with a TEM transmission line having an outer surface structure of a waveguide conductor and made of a conductor cover so as to provide an output terminal of a signal easily to an optional direction and position along the outer shape of the waveguide. CONSTITUTION:The waveguide-coaxial line converter is constituted that a slot is provided to the outer surface of a conductor constituting a waveguide 21, a cover 25 having a slot relative to the slot and the conductor constituting said waveguide form the outer conductor of the TEM transmission line, the conductor connected to a probe 22 extracting an electromagnetic field in the waveguide is used as a center conductor 22' of the TEM transmission line, and the center conductor is held by a insulator packed in the TEM transmission line. A ground electrode 30 at the rear side of the dielectric base 28 is connected electrically with a chassis part 21'' incorporated with the waveguide 21. Thus, an output terminal of a signal converted into the TEM mode (coaxial mode) is extracted in optional directions.
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