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electrical connector

A technology of electrical connectors and electrical contacts, which is applied in the direction of connection, parts and circuits of connecting devices, can solve problems such as crosstalk, impedance change, high-speed signal loss, etc., to reduce crosstalk, suppress capacitance reduction, Effect of reducing transmission loss

Active Publication Date: 2019-10-01
DEYI PRECISION ELECTRONIC IND CO LTD PANYU
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, the fixed part is buried in the insulating block, the elastic arm is exposed to the air, and when the signal is transmitted from the fixed part to the elastic arm, since the dielectric constant of the air is smaller than that of the insulating block, the ground terminal and the adjacent differential signal The capacitance between the terminals is reduced due to the reduction of the dielectric constant, resulting in a change in the impedance between the ground terminal and the adjacent differential signal terminal, resulting in loss of high-speed signals and crosstalk

Method used

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[0026] In order to facilitate a better understanding of the purpose, structure, features, and effects of the present invention, the present invention will now be further described in conjunction with the accompanying drawings and specific embodiments.

[0027] see figure 1 , figure 2 and image 3 , which is an embodiment of the present invention, an electrical connector 100 for electrically connecting an electronic card 200 and a circuit board 300, comprising an insulating housing 1 and a plurality of terminal modules 2 arranged in two rows up and down. In the insulating housing 1 , the terminal module 2 includes an insulating block 2A and a plurality of terminals 3 embedded with the insulating block 2A. The terminals 3 of the upper row of terminal modules 2 and the terminals 3 of the lower row of terminal modules 2 are symmetrically arranged by turning 180° along the vertical direction and clamp the electronic card 200 up and down together.

[0028] see figure 1 , Figu...

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Abstract

An electrical connector includes an insulating block, and multiple differential signal terminals and multiple ground terminals embedded in the insulating block. Multiple first protruding blocks and multiple second protruding blocks protrude and extend forward from a front surface of the insulating block. A slot is formed between the first protruding block and the second protruding block adjacent to each other. Each differential signal terminal is embedded in and extends forward out of a first protruding block. Each of left and right sides of one pair of differential signal terminals has a first side surface. Each ground terminal is provided between two adjacent pairs of the differential signal terminals, and is embedded in and extends forward out of a second protruding block. Each of left and right sides of the ground terminal has a second side surface. A medium between the first side surface and the second side surface is air.

Description

technical field [0001] The invention relates to an electrical connector, in particular to an electrical connector for transmitting high-speed signals. Background technique [0002] With the public's requirements for high transmission rates of electronic products, most of the current electrical connectors must consider the high frequency requirements. A known electrical connector is used to realize the electrical connection between an electronic card and a circuit board to realize signal transmission. The electrical connector has an insulating shell, a slot at the front end for accommodating an electronic card, and a mounting groove at the rear end for accommodating the terminal module. The terminal module has a plurality of terminals and an insulating block injection-molded with the terminals. The plurality of terminals include a plurality of pairs of differential signal terminals for transmitting high-frequency signals and a plurality of ground terminals located between tw...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01R12/72H01R12/73H01R13/40H01R13/46H01R13/6461H01R13/6464H01R13/6477H01R31/06
CPCH01R12/721H01R12/732H01R13/40H01R13/46H01R13/6461H01R13/6464H01R13/6477H01R31/06H01R12/714H01R13/405H01R13/6471
Inventor 冯志军王康
Owner DEYI PRECISION ELECTRONIC IND CO LTD PANYU
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