PCB design services require skilled designers who know how to come up with an optimum physical layout for a printed circuit board. They use cutting-edge CAD tools and other PCB design software that helps them create all kinds of board designs. No matter what sort of board and layout is required to be made, it's always going to be a multi-stage designing process starting with schematic capture.
Designers typically require that clients should provide basic information regarding three key matters. The most important of them is the schematic, but it may alternatively be in the form of a netlist file. This is a file containing connectivity details and component descriptions.
Another thing the client is required to provide is the bill of materials (BOM) specifying each component used and its footprint. Designers are sometimes asked to help with component footprint capture. The client is also expected to provide the board outline. Once they have the schematic or netlist, BOM and the board outline, the designer should be able to do the rest.
There are many intermediate techniques used in several stages that build on the schematic or netlist. These functions include things such as library development, signal integrity checks, stress analysis, thermal simulation and EMI checking. All this leads up to the generation of the gerber file. This is the most commonly used format used for transferring complete PCB images ready for manufacturing.
The designer must be capable of coming up with solutions for complicated analog, digital, RF and mixed PCBs. Then there's also the type of board, which can be single-sided, double-sided or multi-layered. The board's size may vary, and so can the pin densities and component quantities.
Another important thing that has to be decided in the designing stage is about the characteristics of the board. The most critical thing is deciding the technique used for creating traces and mounting components. The most widely used solution is surface-mount technology.
Under this method, end caps will be soldered on the same side of the board as the component itself. This is a huge improvement over an earlier system that made use of through-hole boards. These older boards required the leads to be inserted from one side and soldered on the traces on the board's other side.
Apart from the schematic capture and subsequent board designing steps, the designer may also be called upon to evaluate existing designs, components and footprint captures. Sometimes they're also involved in prototype procurement, and may be asked to do availability checks and collect pricing information against the BOM.
Certain PCB design services are required even after the client receives the finished product. Customers may seek changes to the design immediately or in future, and reorders are quite common. It works the other way around too, with designers asked to reverse engineer gerber files or film artwork into a netlist format or schematic. This is often required when complex circuits require heavy modifications at the most basic level.
Designers typically require that clients should provide basic information regarding three key matters. The most important of them is the schematic, but it may alternatively be in the form of a netlist file. This is a file containing connectivity details and component descriptions.
Another thing the client is required to provide is the bill of materials (BOM) specifying each component used and its footprint. Designers are sometimes asked to help with component footprint capture. The client is also expected to provide the board outline. Once they have the schematic or netlist, BOM and the board outline, the designer should be able to do the rest.
There are many intermediate techniques used in several stages that build on the schematic or netlist. These functions include things such as library development, signal integrity checks, stress analysis, thermal simulation and EMI checking. All this leads up to the generation of the gerber file. This is the most commonly used format used for transferring complete PCB images ready for manufacturing.
The designer must be capable of coming up with solutions for complicated analog, digital, RF and mixed PCBs. Then there's also the type of board, which can be single-sided, double-sided or multi-layered. The board's size may vary, and so can the pin densities and component quantities.
Another important thing that has to be decided in the designing stage is about the characteristics of the board. The most critical thing is deciding the technique used for creating traces and mounting components. The most widely used solution is surface-mount technology.
Under this method, end caps will be soldered on the same side of the board as the component itself. This is a huge improvement over an earlier system that made use of through-hole boards. These older boards required the leads to be inserted from one side and soldered on the traces on the board's other side.
Apart from the schematic capture and subsequent board designing steps, the designer may also be called upon to evaluate existing designs, components and footprint captures. Sometimes they're also involved in prototype procurement, and may be asked to do availability checks and collect pricing information against the BOM.
Certain PCB design services are required even after the client receives the finished product. Customers may seek changes to the design immediately or in future, and reorders are quite common. It works the other way around too, with designers asked to reverse engineer gerber files or film artwork into a netlist format or schematic. This is often required when complex circuits require heavy modifications at the most basic level.
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