| 摘要 |
<p>A printed circuit board includes an insulating layer and a conductive metal layer attached on the insulating layer. The conductive metal layer is grounded and is configured for providing grounding for electronic components mounted on the printed circuit board. The insulating layer includes an exposed portion free of the conductive metal layer thereon, and two pads are formed on the exposed portion of the insulating layer and are insulated from each other. An inductor is mounted on the exposed portion and is electrically connected to the two pads.
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