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Printed circuit board layout design

Printed circuit board is the basic component of the device. Individual components are installed on its surface, which also provides electrical connections between them. Usually, such board is designed according to the previously prepared electrical schematic. Its shape and dimensions depend on the parameters of a selected or designed enclosure, the need to place connectors or signalling diodes in the certain way or other project-specific requirements. Layout design starts from the creation of component footprints, then the elements are installed on the board in a manner ensuring its functionality, accounting for the interactions between components and their types.

At the next stage, components are connected with the use of traces. To place traces correctly and select right parameters (i.e. width, separation and shape), we need to take into account signal speed, maximal currents and voltages. The last step of the PCB design is the creation of the graphics and text layer (silkscreen), which enables us to identify the board and components installed. Silkscreen is very useful for manual placement of components or in the creation of prototype boards that will be changed in future. During layout designing the client provides the description of mechanical constraints, such as: the enclosure parameters, size, the placement of mounting holes and the general conception of PCB shape.

We can design PCB according to a specific electrical scheme, functional specification or the list of selected key components. Finished project is delivered in the form of manufacturing files required by third party manufacturers or in the form of project files enabling the client to introduce changes. Designing electrical schematics, MKTronic mainly uses free software – KiCad EDA. If needed, we also use other CAD software – Altium Designer and Eagle.

WIzualizacja 3D płytki drukowanej

3D PCB visualization

Sample PCB layout design