| 摘要 |
A connection unit includes: a ceramic substrate; a first signal line on the ceramic substrate; a first grounded conductor on the ceramic substrate and electromagnetically coupled to the first signal line; a first lead pin having a first end connected to an upper surface of the first signal line and a second end protruding beyond the ceramic substrate; a second lead pin having a first end connected to an upper surface of the first grounded conductor and a second end protruding beyond the ceramic substrate; a flexible substrate including an insulating layer through which the first and second lead pins penetrate, a second signal line on a first major surface of the insulating layer and connected to the second end of the first lead pin, and a second grounded conductor on a second major surface of the insulating layer and connected to the second end of the second lead pin.
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