The NC drill file can be generated from the PCB design file, by going into File / Fabrication Outputs / NC Drill Files. By default, Altium will open the NC file in Camtastic, where you can view the file you just created. IF you only have a CAM file, then you can still the drill file, by going to File / Export / Save Drill. The model data is stored (embedded) in the PCB file. Link to Model – Select a Model file from a folder registered in the Choose Model dialog – typically, the file might be shared with an MCAD designer. This file will be linked to the 3D Body, so any file updates made in the MCAD domain will be detected by Altium Designer when the file is. Adding a new PCB object to the project in Altium Designer. With the PCB object created, you will now want to take some time and configure it the way that you want it to be to start your layout work with. First you will want to set up the grid that you need and set the origin of the printed circuit board layout. You will find the menu commands. The three main features of Altium designer we will discuss in following sections are 1- Schematic Capture 2- PCB layout 3- Fabrication Output Files Schematic Capture The first step in the process of giving the physical shape or turning the idea into reality is to do manual design or hand sketch on paper. I'm looking for a method of translating a.PCBDOC from a recent version of Altium into a.BRD file that I can open in Orcad PCB editor standard edition. The purpose for this is to be able to make modifications to existing designs done in Altium using Orcad PCB editor. Reply Cancel Cancel; steve over 6 years ago. Contact FlowCAD who have an.

1. Altium Gerber Files

RS-274-X Gerber file format is a defacto data sharing standard for PCB manufacturing. This is basically a printer or plotter language which is used for PCB CAM (Computer Aided Manufacturing) data generation. Almost everyone who uses Altium Designer software for PCB design, either hobbyist or commercial designer, may have used this feature. It is actually a 2D ASCII file format.

Gerber file format is evolved from applications where it is used to re-create images or graphics i.e., printers and plotters industry. In the same way it is used in electronics hardware industry to print PCB tracks, vias, pads, text, holes, clearances and all information which is contained in a *.PcbDoc design file. The Altium Designer software tool has a feature to create and gerbtool option to verify data as well.

Like other softwares outputs the Altium Designer gerber file can be divided into four subparts:

• Configuration Parameters
• Aperture Definitions
• Drawing Commands
• X/Y Coordinates

Each file extension denotes a specific layer such as:

Top Layer => *.gtl

Bottom Layer => *.gbl

Keepout Layer => *.gko

TopOverlay Layer => *.gto

BottomOverlay Layer => *.gbo etc.

2. Generating Gerbers in Altium Designer

Add layer stackup to any of the mechanical or other suitable layer.

Add other information like manufacturing notes, dimensions, cutouts etc., before generating gerber files.

In Altium Designer it is very easy to setup Gerber Files creation setup. It is done by two ways:

Generate through File>Fabrication Outputs> Gerber Files

It opens Gerber Setup dialogue box.

In Gerber setup dialogue box Set file producing unit system.

In layers pane add layers to be re-produced in gerber format.

In drill drawing pane click plot all used layer pairs on both of the boxes.

Set apertures box.

Set advanced parameters in advanced pane or otherwise keep default settings.

Altium Pcb Layout

Click ok , it generates the gerber outputs in the project folder.

How To Open .pcb File In Altium

On same method NC drill files are created i.e., File>Fabrication Outputs> NC Drill Files and then adopt the same steps as above.

Or in other way it can be generated by following steps:

Output Job File to project > Fabrication Outputs> Gerber Files and then set path for files.

Double click 'Gerber Files' it will open Gerber setup. Use the same steps as above and click ok.

Enable output generate option and set target folder location.

Clock Run or double click over generates content. The gerber file outputs will be generated.

Figure 1: Sample PCB Design file

In figure 1 different layers names are shown in their respective layer. The same layers can be viewed in the final view Figure 5 as Gerber output generated.

Altium Pcb Viewer

Figure 2: Gerbers Settings Dialogue Box

Figure 3: Gerber Setup Dialogue Box opens

Figure 4: Gerber Files generated and viewed in CAMTastic Bottom Layer view

Figure 5: CamTastic complete PCB view

3. What is Needed by Manufacturer

Altium File Format

In a gerber file following layers and information should be added:

1. 1- Enable all signal layers which have been used for routing in PCB design or those which have electrical signals routing should be enabled to re-produce in gerber format.
2. 2- Enable all plane layers which are solid copper and distribute power to the circuit on PCB. These are printed as negative image of layer.
3. 3- Enable Keepout layer, it is usually electrical boundary of the board. The keepout can also be asked to manufacturer for cutting boundary.
4. 4- Enable required mechanical layers in gerber setup. A mechanical layer does not have any electrical information like in signal layer or plane layers. However, they can have some information about mechanical parameter like PCB cutting or, 3D PCB footprints information, assembly and fixing in enclosures etc.
5. 5- Enable Top Overlay and Bottom Overlays which have information of components designators and PCB name, number, nomenclature debug information and test signal details etc.
6. 6- Dimensional Information: PCB Dimensions information should be added on top overlay or mechanical or keepout layer of PCB design file before generating gerber files.
7. 7- Layer PCB stackup: Before generating gerber files add layer stackup information in any enabled mechanical layers so that manufacturer can use information about PCB material such as base material thickness, pre-preg thickness type etc.
8. 8- Preferably produce time and date stamped Gerber files so that they would be back traced for any query.
9. 9- Recheck and verify the file types using any gerber viewer software tool.
10. 10-If found accurate and forward to the manufacturer.

Figure 6: Gerber files enable and disable and extensions

Altium Pcb Design Software

Figure 6 shows the gerber files produced by Altium Designer software, produced time, type of layer etc.

3. Summary:

Gerber format is RS-274-X 2D ASCII file format. The gerber file format is a defacto standard of interface between a PCB Design engineer and manufacturer. It includes all conductive, mechanical, text and keepout layers information of a PCB design alongwith necessary notes for manufacturing.

The Altium Designer software produces RS-274-X format Gerber files by different methods. The latest software and updates about files generation are available on Altium ®. In this tutorial a complete yet comprehensive guide has been provide.

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