Printed circuit board assembly
the other side. "SMD" components are soldered on the same side of the board. A board can use both methods for soldering components. Today PCBs with components mounted only through holes are now less common. layer, 1 PCB Surface mount is used for components like transistors, diodes, IC chips, resistors and capacitors. Through-hole mounting can be
Controlled impedances of printed circuits
designing the tracks to match the impedance of the upstream and downstream components. The longer layer, PCB 1 the route or the higher the frequency, the better adaptation is required. When producing the printed circuit with controlled impedance, the impedance will be controlled by acting on the dimensions of the
Printed circuit board silkscreen
the top layer of the PCB and has the role of a reference indicator for the components on the PCB. Graphics and text on a circuit board's PCB are usually printed with a non-conductive permanent epoxy ink. The color is usually white, although other colors are available: yellow, black, blue, red. Screen