Negative
Setup->drawing Options, tick in front of thermal pads and filled pads
Add shape to draw a closed area
Edit->change Net (Name) specifies the network
Shape Fill Copper Finish
Positive
Add shape to draw a closed area Select Crosshatch or solid
Have never understood the relationship between thermal relief pad and anti pad, and now it is clear. Specific as follows:
Suppose now to do the board is a four-layer board, the specific layering is as follows:
Begin Layer:top
Internal1:vcc
Autosilk top, silkscreen top and assembly top
Autosilk Top: The final Gerber, automatically generated screen printing layer. will automatically adjust the location of the screen, as well as the resistance to open the window, the screen will
Some children's shoes will be found in the use of AD16 under WIN10, trace mode/cabling mode (toggle Right angle, 45°, arc, etc.) can not switch.The problem is in the input method, the general switch to the English input method can be resolved, but
Want to finish the board to export the FPGA pin definition, I think there is no good way to Baidu, fortunately there are peers on the Internet to share. The effect is very good, to add some of the use of their own experience, is to their own
1. File-->page SetupPrinter paper A column is the printing paper settings, no longer wordy.The main is the scaling column: ScaleMode selection: ScaledprintThe following scale fills 1, which represents 1:1 of the proportional print. such as 1:2, then
1, A project can have a number of separate schematic diagram. 2, A number of separate schematic diagram of the project can not be separately imported into different PCB, import a PCB when the sameProject all schematic must be a collective, and
1. The reason for this warning is that you have a device with a PIN that has attributes (such as I/O), and that the pin is set to drive the source,
You first from the component library, find this pin, the pin to the properties of the following
Start Place-polygon pour ... command, the Polygon pour dialog box appears, you can define settings such as fill mode, fill network and fill layer, and in the Net Options network option in the lower right corner of the dialog box, you can select:
*
Ctrl+end tune to 0.
Q switch mm and mil
Ctrl+q/////o+b "Separately according to the" British metric system Switch-----"8 detailed said"
0805 stands for length 80mil width 50mil of which 1mil=10 minus three square inches, 1 inches =25.40mmThat's 0805
1. After the schematic is directed to the PCB, it prompts the "between Component on Toplayer and the Rule on Toplayer".
Workaround 1: Delete the rooms, which are the red ones in the lower-left corner of the figure below. Press the DEL key to delete
Copper-coated, is the PCB on the space as the base surface, and then filled with solid copper, these copper zone is also known as copper filling. The significance of copper deposition is to reduce ground impedance, improve anti-interference ability,
CTRL + AUTO Extension Cable//or press M to appear move&drag menu
Select device, shift+ left mouse button = Copy =ctrl+d (direct out device)
When the bus is multi-rooted. Bus databus[0..7]+ separate Databus0
Pay attention to the role of Knowledge
Mr. Lou, huaqing Vision Embedded College lecturer. 1. Altium Designer 10 Introductory knowledge1.1.1 What is Altium DesignerAltium Designer offers a unified application solution, an upgraded version of Protel (Classic version Protel 99se), all the necessary technologies and features required for integrated electronic product development. Altium Designer integrate
Address: http://blog.csdn.net/baiduluckyboy/article/details/6027547
The first note is that the encapsulated library file is stored under Allegro, not orcad. allegro is a PCB painting tool, and orcad is a Sch painting software that can generate a variety of network tables. after Allegro is installed, the built-in library file path is: C:/Cadence/spb_15.5/share/PC
Altium Vault 2.5.9.45043.rarCrtech_thermal_desktop_v4.8d.zipCST STUDIO Suite-2015.zipFormtec Ncspeed V6.1.1.2.rar (a tool that mimics and interprets how materials are processed.)A tool that mimics and interprets how materials are processed. Can imitate 3 to 5 shaft system processing process, it takes the machine's running time and safety factor,You can also check the tool path if you can. How the software works: 1. Given the degree of wear, the less w
is that the design is not very complex, the designer just wants to use the powerful Automatic wiring function of Cadence CCT to complete the wiring work; the other is that the design is complex, designers need to use noise analysis tools to simulate the design and set the wiring topology of the network.
In the first case, the conversion work is relatively simple. You can use the Protel to CCT conversion tool provided by Protel or Cadence to complete this work. In the second case, the work to b
Sigrity provides a wide range of Ge-bit signal and power network analysis technologies, including unique signal integrity analysis functions for systems, printed circuit boards (PCB) and IC packages.
The combination of sigrity Analysis Technology and Cadence Allegro and orcad design tools will provide a comprehensive process from front-end to back-end, helping systems and semiconductor companies provide high-performance devices and apply gigabit-bit
Sigrity provides a wide range of Ge-bit signal and power network analysis technologies, including unique signal integrity analysis functions for systems, printed circuit boards (PCB) and IC packages.
The combination of sigrity Analysis Technology and Cadence Allegro and orcad design tools will provide a comprehensive process from front-end to back-end, helping systems and semiconductor companies provide high-performance devices and apply gigabit-bit i
Requirement Description: Candence basic knowledgeContent: From schematic to PCB specific stepsfrom: time of the poemFrom: Http://blog.163.com/tracy_zhangblog/blog/static/1938540202011117103433500/A. Schematic diagram1. Establish EngineeringAs with other drawing software, OrCAD manages various design files with project. Click the Start menu, then all Programs-Allegro SPB 15.5--design Entry CIS, select the first item orcad_capture_cis_option with in the
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