Through-hole region design system and method for differential signal line

A differential signal line and design system technology, applied in the direction of electrical connection formation of printed components, printed circuit components, etc., can solve problems such as electromagnetic interference, differential signal line impedance mismatch, and affect the transmission quality of differential signal lines. interference effect

Inactive Publication Date: 2009-03-18
INVENTEC CORP
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Problems solved by technology

Moreover, due to the conductive material in the above-mentioned through-hole area, such as the wiring layer 11 with other signal lines, it will generate electromagnetic interference (EMI) with the differential signal line, thereby affecting the transmission quality of the differential signal line. Differential signal line routing becomes more difficult
[0006] Ther

Method used

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  • Through-hole region design system and method for differential signal line
  • Through-hole region design system and method for differential signal line
  • Through-hole region design system and method for differential signal line

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[0041] The following are specific examples to illustrate the implementation of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific examples, and various details in this specification can also be based on different viewpoints and applications, and various modifications and changes can be made without departing from the spirit of the present invention.

[0042] See image 3 , Is a block diagram showing the block diagram of the through hole area design system of the differential signal line of the present invention. The through hole area design system 3 of the differential signal line of the present invention is applied to a printed circuit board wiring software 4 executed by a data processing device such as a personal computer, a notebook computer, a workstation, etc., to el...

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Abstract

The invention relates to a through-hole region design system and method for differential signal line, which is applied in layout software for printed circuit board (PCB), comprising firstly selecting a first and a second signal line and reading attribute of the first and second line; subsequently, retrieving a first safe distance and a first through-hole diameter from the first line attribute of the first signal line, and retrieving a second save distance and a second through-hole diameter from the second line attribute of the second signal line; thereafter, computing by special computation rule according to the first safe distance and the first through-hole diameter to obtain a first safe diameter, and computing by special computation rule according to the second safe distance and the second through-hole diameter to obtain a second safe diameter; lastly, setting a layout prohibition region by setting rules according to the first and second safe diameters, so as to prohibit laying the conductive material in the layout prohibition region by the layout software. Therefore, deficiency of unmatched resistance and electromagnetic interference generated in wiring process of the differential signal line is avoided.

Description

technical field [0001] The present invention relates to a through-hole region design technology for differential signal lines, and more particularly relates to a through-hole region design technology for eliminating the interference generated by conductive materials in the through-hole region on differential signal lines. Background technique [0002] With the continuous development and improvement of electronic technology, the design of electronic circuits is also developing towards the common goal of high performance and high quality in the process of constantly discovering and solving problems. Existing electronic engineers usually complete the circuit layout (Layout) of the printed circuit board through various printed circuit board wiring software (such as Protel software). In the process of circuit layout, for electronic engineers, differential signal lines appear frequently as the most commonly used signal lines. Differential signal lines can be applied to signal line...

Claims

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Application Information

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IPC IPC(8): H05K1/02H05K3/40
Inventor 韦启锌范文纲
Owner INVENTEC CORP
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