types and models of printed circuits. Technology has penetrated more and more areas of our lives and required modernization, and the printed circuit through its sita de pasta continuous improvement was one of the first aids that allowed this modernization. The smaller and smaller dimensions and the flexibility of the printed circuit board made in recent years have
of copper tracks. The impedance is an alternating current (AC) characteristic that increases with frequency and becomes critical for printed circuits operating at frequencies above 200 or 300 Mhz. Impedance calculator software is a good starting point to determine the track width (w) and insulation pasta sita de thickness (h) of a given impedance. In terms
copper tracks (similar to wires on a flat surface) that provide electrical connections on that conductive layer. Another manufacturing process adds plated or metallized holes that allow interconnections between layers. PCBs mechanically support electronic components using pads for bonding the component terminals and electrically connect them using traces of one sita pasta de or more