Address: http://blog.csdn.net/happyflovef/article/details/5584479
Design of multilayer PCB at, December 30
Before designing a multi-layer PCB, the designer must first meet the requirements of the circuit scale, circuit board size, and
One of the most important advantages of a Multi-board over a common double or single-board is that the signal lines and power supply can be distributed on different board layers to improve signal isolation and anti-interference performance. The
Protel 99 SE Application Technology Q & A q: Can I use automatic cabling for Multilayer circuit boards?Answer: Yes. It is the same as that of the dual-panel. Just set it.Q: Can I use the orcad schematic in protel?Answer: You need to generate
How does a geometric artboard draw an ellipse? The geometric sketchpad is a dynamic geometric tool which is suitable for the vector analysis, drawing and function drawing of mathematics, plane geometry and physics. This tool can draw various types
Dreamweaver| Skills Dreamweaver has been a lot of netizens love the web design tools, in addition to its powerful dynamic effect of production capacity, convenient and concise operation of the interface is unique, we will take the latest version of
Author: Instructor Lu,Hua Qing vision embedded college lecturer.
4. Brief PCB design
To compile the schematic diagram or the entire project, this step is to generate a network table and prepare for the work. Open it in project and project options.
4.
dreamweaver| problem
1> in DW, how do I enter a space?
The question of entering a space in DW seems to have become a cliché, and we may have seen N times in many books or articles about the use of DW.
The restrictions on space input in DW are for
dreamweaver| Page | questions
1> in DW, how do I enter a space?
The question of entering a space in DW seems to have become a cliché, and we may have seen N times in many books or articles about the use of DW.
The restrictions on space input in DW
1. Annotations (note: 5)
Annotation use style (annotation style)This check allows you to control the style of the annotations you want to use.Missing deprecated (lack of DEPRECAD)Check whether the Javadoc markup for the java.lang.Deprecated
Protel Set the rule definition layer:
Create a new PCB file
Before you convert the design from the schematic editor to the PCB editor, you need to create a blank PCB with the most basic board profile. The easiest way to create a new PCB design in
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