SIGNAL COUPLING EQUIPMENT AND TRANSMITTER INCLUDING SIGNAL COUPLING EQUIPMENT. The present invention relates to a signal coupling apparatus including a coaxial type signal coupling member (34) and a frame (42) for securing the member to a predetermined position on a circuit board (18a, 18b ). The frame includes a support member (44) having a conductive cover portion (44a), longitudinally facing portions (44b) integrated with the cover portion, and grounding portions (44c) integrated with both side sides. of the cover part. The cover portion fits into an outer conductor (40) of the element, and the grounding parts are in contact with the grounding parts (26a, 26b) on the plate when the element is disposed at the predetermined position. Fasteners (46) secure the grounding parts to the board. The turned portions prevent an insulator (38) surrounded by the outer conductor from thermally expanding in the longitudinal direction of a central conductor 36 enclosed by the insulator in the element while the element operates. A transmitter includes the circuit board and signal coupling apparatus described above.
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