| 主权项 |
1. A cable connector, comprising:
a single piece insulative housing defining a mating space for receiving a mating connector; a plurality of contacts arranged on the insulative housing in two rows, each row of the contacts having two grounding contacts at two lateral sides thereof, two pairs of differential signal contacts between the grounding contacts, the differential signal contacts in two rows being identical in signal transmission and arranged reversely, each contact having a retaining portion retained in the insulative housing, a contact portion extending into the receiving space from one end of the retaining portion, a connecting portion extending from another end of the retaining portion; an internal circuit board having a plurality of first golden fingers and a plurality of second golden fingers at opposite two ends thereof, the first golden fingers connecting with the connecting portions, and the second golden fingers electrically connecting with the first golden fingers; and a flat cable having a plurality of wires connecting with the second golden fingers and a coating retaining at outside of the wires, all wires being arranged in a row and the center axes of all wires being located in a same plane; wherein the flat cable is provided with a wire set, and the wire set is provided with a first wire and a second wire which present as differential pair, each of the first wire and second wire is provided with a first conductor, a first layer wrapping the first conductor and a second layer wrapping the first layer, and the dielectric coefficient of the first layer is lower than that of the second layer. |
