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A method and system for calculating the length of the breakout area of ​​a signal line

A technology of area length and signal line, applied in calculation, computer-aided design, CAD circuit design, etc., can solve problems such as inaccurate measurement results and cumbersome measurement operations, and achieve the goal of improving calculation efficiency, accuracy, and design efficiency Effect

Active Publication Date: 2022-02-18
ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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  • Claims
  • Application Information

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Problems solved by technology

[0005] This application provides a method and system for calculating the length of the signal line breakout area, so as to solve the problems of cumbersome measurement operations and inaccurate measurement results in the prior art

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  • A method and system for calculating the length of the breakout area of ​​a signal line
  • A method and system for calculating the length of the breakout area of ​​a signal line
  • A method and system for calculating the length of the breakout area of ​​a signal line

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Embodiment Construction

[0044] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described The embodiments are only some of the embodiments of the present application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0045] In order to better understand the present application, the implementation manner of the present application will be explained in detail below in conjunction with the accompanying drawings.

[0046] see figure 1 , figure 1 It is a schematic flowchart of a method for calculating the length of a breakout region of a signal line prov...

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Abstract

The present application This application discloses a method and system for calculating the length of the breakout region of a signal line, the method comprising: obtaining the line width and line spacing of the signal line to be tested; determining the line width and line spacing of the signal line to be tested The breakout area of ​​the signal line; according to the total length of the signal line to be tested and the normal area line length of the signal line to be tested, use the formula: breakout area line length = net total length - normal area line length to calculate the breakout area of ​​the signal line to be tested length. The system includes: a line width and line distance acquisition module, a breakout area determination module and a calculation module. Through the method and system in this application, the step of cutting and reconnecting the line at the junction of the line width of the breakout area and the normal area can be avoided, thereby greatly improving the calculation efficiency and accuracy of the line length of the breakout area, which is conducive to improving the PCB design efficiency.

Description

technical field [0001] The present application relates to the technical field of server motherboard PCB (Printed Circuit Board, printed circuit board) design, and in particular to a method and system for calculating the length of a breakout area of ​​a signal line. Background technique [0002] In the PCB design stage of the server motherboard, when designing the DDR (Double Data Rate, double-rate synchronous dynamic random access memory) module, according to the requirements of the Intel PDG (Platform Design Guide, Platform Design Guide), when the length of the CPU breakout area exceeds 500mil It is necessary to add interdigital tabbed (Tab for short) to balance the impedance matching and crosstalk between DDR signal lines, thereby improving the accuracy and transmission rate of signal transmission. Therefore, it is an important issue to measure and determine the length of the CPU breakout area during the PCB design stage of the server motherboard. [0003] At present, the...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/398G06F115/12
CPCG06F30/398
Inventor 徐凤芹
Owner ZHENGZHOU YUNHAI INFORMATION TECH CO LTD