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Papers > Technology > PCBs
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PCBs |
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... On the most basic PCBs (single-sided boards) the components are located on one side of the board and the conductor pattern on the opposite side. ... Types Of PCBs Single-Sided Boards As mentioned earlier the most basic boards have the components mounted on one side of the board and the conductor pattern on the opposite side. ... Since the surface available for the conductor pattern is twice as large compared to a single-side board, and that wires now can cross (by routing them on opposite sides of the board), double sided PCBs are much more suited for complex circuits than the single-sided Double -Sided PCB, bottom view Manufacturing Process The process of manufacturing a PCB starts with a board of Glass Epoxy or similar substrate. ... For multi-layer PCBs several of these boards are made and laminated together at a later stage. ... Lamination Of Multi-Layer PCBs Single layers must be laminated together to form a multi-layer PCB. ... MAJOR TYPES OF PCB RF, MICROWAVE, ANALOG PCBs DIGITAL-BASED PCB § Low circuit complexity Very high circuit complexity § Precise matching of impedance Tolerant of impedance mismatches § Minimize signal losses essential Tolerant of lossy materials § Small circuit element sizes Small circuit element sizes desirable Usually only 2 layers § High feature accuracy Moderate feature accuracy needed § Low/uniform dielectric const Dielectric constant secondary |
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Title: PCBs
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