I have put out a simple list below a breakdown of types according to different aspects.įirst we classify the PCB type according to the way the components are connected to the PCB. Once you start designing the circuit, the different types of PCB might overwhelm you. Basic knowledge of it will help you choose the right type for your circuit. Now that you are familiar with the basic definition and design of PCB, the next thing you need to know is the types of PCB available. It contains important information like where to make holes, copper traces, names of the components etc.
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You can spot them on the PCB board by the colored pads (usually yellow) Via or thru-hole via – The current gets a path through the PCB outer layers (top and bottom).
It helps to connect two different points on the PCB.
An increase in the number of layers ensures more wiring areas for high-end circuits, such as that of your smartwatch or smartphone. For simple circuits like that used in musical toys, thisPCB will be enough to suffice the purpose. In the pictorial depiction above, two copper sheets cover the substrate and is referred to as a double layer PCB. For complex circuits, where only minimal losses can be allowed, the PTFE substrate is used. It is also easy to sandwich between layers of copper strands(the conductive sheets). The popular choice for the substrate is FR4 glass, owing to its stability with variance in temperature. Here the Substrate refers to the non-conductive dielectric part, I mentioned above. If we take a typical two-layer PCB, it will have a composition like this: You can imagine PCB to be like a trifle made with layers of different materials- all laminated together to form a single PCB sheet. They are manufactured with either one, two, or multi-layer depending upon the complexity of the circuit. PCB forms the foundation of various complex circuits and is one of the main reasons that you get slimmer TVs, Mobile phones, and laptops. However, once you get familiar with its design, these complications may instigate your inner electronics nerd. At first, understanding the circuit may seem like an uphill task.