Differentiated simulation design method

A simulation design and differentiated technology, applied in computing, special data processing applications, instruments, etc., can solve problems such as limited development imagination of designers and single product design, so as to improve core competitiveness, meet design requirements, and improve design The effect of reliability

Inactive Publication Date: 2012-11-28
LANGCHAO ELECTRONIC INFORMATION IND CO LTD
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Problems solved by technology

For example, in order to reduce product costs, the company changed the rule-based 6-layer laminate into a 4-layer laminate without reference design, replaced the materials recommended by the reference design with lower-cost materials, and changed the design of the portless plug-in card to This card is used to increase th

Method used

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Examples

Experimental program
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Embodiment Construction

[0012] The method of the present invention will be described in detail below with reference to the drawings of the specification.

[0013] In a server project, the original design of the PCIE port required that the ADD_IN Card be inserted directly through the PCIE slot, and considering the uniqueness of our institutional design, we need to change this topology to require an adapter card to insert the ADD_IN Card. The topology before and after the change is as figure 2 image 3 Shown:

[0014] The electrical parameters of the circuit before and after the design change are shown in Table 1 below:

[0015]

[0016] We will perform the signal simulation analysis of the original and differentiated design based on the above topology and electrical parameters, and summarize the final simulation results through simulation as shown in Table 2:

[0017] The simulation results of the original and differentiated lines are shown in Table 2

[0018] Item MB(inch) Riser Card(inch) EH(V) EW(ps) ...

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Abstract

The invention provides a differentiated simulation design method. According to the method, an electric performance result obtained by performing signal simulation on a wiring rule provided by a chip manufacturer is taken as a reference standard; and when the simulation result of a differentiated wiring design of a user product is better than the simulation result of the wiring rule of the chip manufacturer, the risk degree of the design is low, namely the differentiated wiring design is suitable for a product patternmaking test. The method comprises the following specific steps of: simulating the wiring rule provided by the chip manufacturer; taking the simulation result as a standard for judging whether the differentiated design is reliable; performing a large amount of analogue simulation on differentiated products to make a wiring rule which has a better simulation result than the wiring rule provided by the chip manufacturer; and performing a subsequent design according to the wiring rule. By adopting the differentiated simulation design method, the design reliability of the products is improved greatly, and the differentiated design of the products is realized.

Description

Technical field [0001] The present invention relates to the development and design of differentiated electronic products with reference to the wiring rules of non-chip manufacturers, and specifically to a differentiated simulation design method. Background technique [0002] With the improvement of electronic product processing and manufacturing technology, product production costs have been greatly reduced, and the number of products has increased dramatically. However, the greatly increased number of single-function products has caused fierce market competition, and design and development companies have made relatively thin profits. Therefore, when developing and designing new-generation products, companies have carried out diversified functionally differentiated designs, such as reducing the number of motherboard stacks, replacing materials with lower costs, and adding additional I / O ports. For this differentiated design, for some reason, the wiring reference design provided ...

Claims

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Application Information

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IPC IPC(8): G06F17/50
Inventor 武宁王振
Owner LANGCHAO ELECTRONIC INFORMATION IND CO LTD
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