Circuit board module and electronic equipment
The utility model provides a circuit board module and an electronic device. The circuit board module comprises a circuit board and a crystal oscillator. The circuit board comprises a top layer, a plurality of middle layers and a grounding layer, and the grounding layer is arranged between any two of...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model provides a circuit board module and an electronic device. The circuit board module comprises a circuit board and a crystal oscillator. The circuit board comprises a top layer, a plurality of middle layers and a grounding layer, and the grounding layer is arranged between any two of the plurality of middle layers; the crystal oscillator is installed on the top layer, the top layer, the grounding layer and each middle layer are all provided with copper foil hollowed-out areas, and the copper foil hollowed-out areas are opposite to the crystal oscillator; each copper foil hollow area is provided with a via hole; the via holes in two adjacent layers are electrically connected, and the crystal oscillator is electrically connected with the via holes; the grounding layer is further provided with a grounding copper foil, a grounding wire is further arranged on the copper foil hollowed-out area of the grounding layer, and the via hole in the grounding layer is electrically connected to the grounding |
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