Cable connector assembly

A cable connector assembly, comprising:

• a circuit board having
• an upper surface provided with a low-speed signal grounding section, a first low-speed signal conducting section positioned in front of the low-speed signal grounding section, a plurality of first high-speed signal grounding sections and a plurality of first high-speed signal conducting sections, the low-speed signal grounding section, the plurality of the first high-speed signal grounding sections and the plurality of the first high-speed signal conducting sections being arranged along a transverse direction, rears of the plurality of the first high-speed signal grounding sections being aligned with rears of the plurality of the first high-speed signal conducting sections along the transverse direction, and
• a lower surface opposite to the upper surface, the lower surface being provided with a second low-speed signal conducting section, a plurality of second high-speed signal grounding sections and a plurality of second high-speed signal conducting sections, a rear of the second low-speed signal conducting section being aligned with the plurality of the second high-speed signal grounding sections and the plurality of the second high-speed signal conducting sections along the transverse direction;
• a grounding structure fastened on the circuit board, the grounding structure including a base portion soldered to the low-speed signal grounding section, the base portion being electrically conductive with the low-speed signal grounding section,
• an upper clamping section fastened on the upper surface of the circuit board, the upper clamping section being bent upward from two sides of a front end of the base portion, and
• a lower clamping section disposed at a rear edge of the circuit board, and the lower clamping section being bent downward from two sides of a rear end of the base portion;
• a first low-speed signal cable mounted to one side of the upper surface of the circuit board, the first low-speed signal cable having
• a low-speed signal conduction core soldered to the first low-speed signal conducting section, the low-speed signal conduction core of the first low-speed signal cable being electrically connected to the first low-speed signal conducting section, and
• a shielding layer clamped by the upper clamping section;
• a second low-speed signal cable mounted to one side of the lower surface of the circuit board, the second low-speed signal cable having
• a low-speed signal conduction core soldered to the second low-speed signal conducting section, the low-speed signal conduction core of the second low-speed signal cable being electrically connected to the second low-speed signal conducting section, and
• a shielding layer clamped by the lower clamping section;
• and
• a plurality of high-speed signal cables mounted at the other side of the upper surface and the other side of the lower surface of the circuit board, the plurality of the high-speed signal cables being disposed symmetrically with respect to the circuit board, the plurality of the high-speed signal cables having a plurality of high-speed signal conduction cores soldered to the plurality of the first high-speed signal conducting sections and the plurality of the second high-speed signal conducting sections.

A cable connector assembly, comprising:

• a circuit board having an upper surface, and a lower surface opposite to the upper surface, the upper surface being provided with a low-speed signal grounding section and a first low-speed signal conducting section, the lower surface being provided with a second low-speed signal conducting section;
• a grounding structure fastened on the circuit board, the grounding structure including a base portion and two clamping portions, the base portion being electrically conductive with the low-speed signal grounding section, the two clamping portions including an upper clamping section and a lower clamping section, the upper clamping section being bent upward from two sides of a front end of the base portion, the upper clamping section being fastened to a top surface of the low-speed signal grounding section, the lower clamping section being bent downward from two sides of a rear end of the base portion, and the lower clamping section being disposed at a rear edge of the circuit board;
• two low-speed signal cables mounted at one side of the upper surface and one side of the lower surface of the circuit board, the two low-speed signal cables being electrically connected to the circuit board, the two low-speed signal cables including a first low-speed signal cable and a second low-speed signal cable, the first low-speed signal cable and the second low-speed signal cable being mounted to the upper surface and the lower surface of the circuit board, respectively, each low-speed signal cable having a low-speed signal conduction core, a first inner insulation layer covered outside the low-speed signal conduction core, and a shielding layer covered outside the first inner insulation layer, the low-speed signal conduction core of the first low-speed signal cable being electrically connected to the first low-speed signal conducting section, the low-speed signal conduction core of the second low-speed signal cable being electrically connected to the second low-speed signal conducting section, the first low-speed signal cable and the second low-speed signal cable being disposed oppositely along an up-down direction, the shielding layer of the first low-speed signal cable being clamped by the upper clamping section, and the shielding layer of the second low-speed signal cable being clamped by the lower clamping section, the two low-speed signal cables being connected with the grounding structure via the shielding layers of the two low-speed signal cables;
• and
• a plurality of high-speed signal cables mounted at the other side of the upper surface and the other side of the lower surface of the circuit board, the plurality of the high-speed signal cables being disposed symmetrically with respect to the circuit board.