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CN-224205301-U - Circuit board structure free of module beating

CN224205301UCN 224205301 UCN224205301 UCN 224205301UCN-224205301-U

Abstract

The utility model provides a circuit board structure free of module punching, which comprises a circuit board body, wherein the circuit board body is sequentially provided with a first layer of circuit board, a first dielectric layer and a second layer of circuit board 102 from top to bottom, eight terminal holes and eight gold pinholes are symmetrically distributed on the circuit board body, the eight terminal holes are respectively provided with an upper layer of terminal holes and a lower layer of terminal holes, the upper layer of terminal holes and the lower layer of terminal holes are respectively provided with four hole sites and are respectively provided with two rows of staggered arrangement, the eight gold pinholes are arranged between the two layers of terminal holes, the eight gold pinholes are respectively provided with an upper row and a lower row of gold pinholes, the first layer of circuit board is provided with four groups of wire pair crosstalk groups, and the second layer of circuit board 102 is provided with two groups of wire pair crosstalk groups. According to the circuit board structure without the module, the crosstalk group is constructed by skillfully utilizing the wiring between the terminal ports, so that signal interference between adjacent circuits is effectively avoided, and the crosstalk influence on signals in the transmission process is greatly reduced.

Inventors

  • CHEN PENG
  • LI JUN

Assignees

  • 广东胜高技术股份有限公司

Dates

Publication Date
20260505
Application Date
20250328

Claims (6)

  1. 1. The circuit board structure without the module punching is characterized by comprising a circuit board body, wherein the circuit board body is sequentially provided with a first layer of circuit board, a first dielectric layer and a second layer of circuit board 102 from top to bottom, eight terminal holes and eight gold pinholes are arranged on the circuit board body, the eight terminal holes are symmetrically distributed in an upper group and a lower group and are respectively an upper layer terminal hole and a lower layer terminal hole, and the upper layer terminal hole and the lower layer terminal hole are respectively provided with four hole sites and are distributed in two rows in a staggered manner; the eight needle holes are arranged between two layers of terminal holes, the eight needle holes are divided into two rows of upper and lower needle holes, the eight terminal holes are respectively and electrically connected with the eight needle holes through wires, the eight needle holes are respectively and electrically connected with a first needle hole, a second Jin Zhenkong, a third needle hole, a fourth needle hole, a fifth needle hole, a sixth needle hole, a seventh Jin Zhenkong and an eighth needle hole, the first needle hole, the third needle hole, the fifth needle hole and the seventh Jin Zhenkong are arranged in the first row of needle holes, the second Jin Zhenkong, the fourth needle hole, the sixth needle hole and the eighth needle hole are arranged in the second row of needle holes, the first needle hole, the third needle hole and the seventh needle hole are arranged adjacently, the interval between the fifth needle hole and the seventh needle hole is a first interval position, the interval between the second Jin Zhenkong and the fourth needle hole is arranged, the interval between the fourth needle hole and the fourth needle hole is a fourth interval position, the interval between the second needle hole and the fourth needle hole is a fourth needle hole is arranged adjacently to the fourth needle hole, the interval between the fourth needle hole is arranged adjacently to the fourth needle hole, the fourth gold pinhole, the sixth gold pinhole and the eighth gold pinhole are below the first interval, the first layer circuit board is provided with four groups of inter-pair crosstalk groups, and the second layer circuit board 102 is provided with two groups of inter-pair crosstalk groups.
  2. 2. The circuit board structure without punching a module according to claim 1, wherein eight of the terminal holes are a first terminal hole, a second terminal hole, a third terminal hole, a fourth terminal hole, a fifth terminal hole, a sixth terminal hole, a seventh terminal hole and an eighth terminal hole, respectively, the first terminal hole, the second terminal hole, the third terminal hole and the sixth terminal hole are lower terminal holes, and the fifth terminal hole, the fourth terminal hole, the seventh terminal hole and the eighth terminal hole are upper terminal holes.
  3. 3. The circuit board structure of claim 2, wherein the four inter-pair crosstalk groups of the first layer circuit board are a first inter-pair crosstalk group, a second inter-pair crosstalk group, a third inter-pair crosstalk group and a fourth inter-pair crosstalk group, the first inter-pair crosstalk group is formed by transmission lines of a fourth pair signal terminal and an eighth pair signal terminal, the second inter-pair crosstalk group is formed by transmission lines of a fifth pair signal terminal and a fourth pair signal terminal, the third inter-pair crosstalk group is formed by transmission lines of the first pair signal terminal and the third pair signal terminal, and the fourth inter-pair crosstalk group is formed by transmission lines of the third pair signal terminal and the eighth pair signal terminal.
  4. 4. A circuit board structure without a wire bonding module according to claim 3, wherein the two sets of inter-pair crosstalk groups of the second layer circuit board 102 are a fifth inter-pair crosstalk group and a sixth inter-pair crosstalk group, the fifth inter-pair crosstalk group is formed by transmission lines of a fifth pair signal terminal and a second pair signal terminal, and the sixth inter-pair crosstalk group is formed by transmission lines of a sixth pair signal terminal and an eighth pair signal terminal.
  5. 5. The circuit board structure of the no-punch module of claim 4, wherein a first capacitor plate is disposed between the sixth gold pin hole and the sixth terminal hole of the second circuit board 102, and the first capacitor plate is disposed at the edge of the sixth gold pin hole.
  6. 6. The circuit board structure of a no-wire-break module of claim 4, wherein the first inter-pair crosstalk group, the second inter-pair crosstalk group, the third inter-pair crosstalk group, the fourth inter-pair crosstalk group, the fifth inter-pair crosstalk group and the sixth inter-pair crosstalk group have line widths of 0.17-0.3mm.

Description

Circuit board structure free of module beating Technical Field The utility model relates to the field of network modules, in particular to a circuit board structure without a module. Background The stability and the high efficiency of network communication are of vital importance for life and work of people, and with the rapid development of network technology, the requirements of users on network bandwidth and transmission speed are higher and higher. From early hundred meganets to giga networks widely applied nowadays, even towards ten meganets, the data volume and frequency of network transmission are continuously increased, and in such a background, a network no-driving module faces more serious performance challenges, wherein the crosstalk prevention performance becomes one of key factors influencing the network transmission stability, the layout of a circuit board structure used on the no-driving module is not reasonable enough at present, the circuit board is complicated in arrangement and crosstalk between ports is large, and the overall transmission rate is influenced, so that the crosstalk prevention performance of the network no-driving module is urgently required to be optimized to improve the stability and reliability of network transmission. Disclosure of utility model The utility model aims to provide a circuit board structure without a module so as to solve the technical problem in the background technology. In order to achieve the above object, the present utility model provides the following technical solutions: The circuit board structure comprises a circuit board body, wherein the circuit board body is sequentially provided with a first layer of circuit board, a first dielectric layer and a second layer of circuit board 102 from top to bottom, eight terminal holes and eight gold pinholes are formed in the circuit board body, the eight terminal holes are symmetrically distributed in an upper group and a lower group and are respectively an upper terminal hole and a lower terminal hole, and the upper terminal hole and the lower terminal hole are respectively provided with four hole sites and are distributed in two rows in a staggered manner; the eighth needle hole is arranged between two layers of terminal holes, the eighth needle hole is divided into an upper row and a lower row, the Jin Zhenkong is respectively provided with a first row of needle holes and a second row of needle holes, the eighth terminal hole is respectively electrically connected with the eighth needle hole through a conducting wire, the eighth needle hole is respectively provided with a first needle hole, a second Jin Zhenkong, a third needle hole, a fourth needle hole, a fifth needle hole, a sixth needle hole, a seventh Jin Zhenkong and an eighth needle hole, the first needle hole, the third needle hole, the fifth needle hole and the seventh Jin Zhenkong are arranged in the first row of needle holes, the second Jin Zhenkong, the fourth needle hole, the sixth needle hole and the eighth needle hole are arranged in the second row of needle holes, the first needle hole, the third needle hole and the fifth needle hole are arranged adjacently, the gap between the fifth needle hole and the seventh needle hole is a first gap, the gap between the second Jin Zhenkong and the fourth needle hole is arranged, the gap between the second Jin Zhenkong and the fourth needle hole is a gap between the fourth needle hole, the second needle hole, the fourth needle hole is a gap between the fourth needle hole and the fourth needle hole, the fourth needle hole is arranged adjacently between the fourth needle hole and the fourth needle hole, and the fourth needle hole is arranged adjacently between the fourth needle hole and the needle hole, and the fourth needle hole is arranged adjacently between the needle hole and the fourth needle hole is arranged between the needle hole and the needle hole, the sixth gold pinhole and the eighth gold pinhole are below the first interval bit, the first layer circuit board is provided with four groups of line pair inter-interference groups, and the second layer circuit board 102 is provided with two groups of line pair inter-interference groups. The eight terminal holes are respectively a first terminal hole, a second terminal hole, a third terminal hole, a fourth terminal hole, a fifth terminal hole, a sixth terminal hole, a seventh terminal hole and an eighth terminal hole, the first terminal hole, the second terminal hole, the third terminal hole and the sixth terminal hole are lower-layer terminal holes, and the fifth terminal hole, the fourth terminal hole, the seventh terminal hole and the eighth terminal hole are upper-layer terminal holes. The four line pair inter-interference groups positioned on the first layer circuit board are respectively a first line pair inter-interference group, a second line pair inter-interference group, a third line pair inter-interference group and a fourth line pair i