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PCB Design Rules

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Initially PCBs were designed manually by creating a photomask on a clear mylar sheet, usually at two or four times the true size. Starting from the schematic diagram the component pin pads were laid out on the mylar and then traces were routed to connect the pads. If you have many questions of PCB Design, please come here!

Community > Groups > PCB Design Rules > Analysis and PCB Design on Mixed Circuit
Analysis and PCB Design on Mixed Circuit
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In the process of electronic system whose clock frequency increasingly rises, signal integrity issues come out gradually such as incorrect timing sequence and incorrect reflection of transmission lines, badly influencing the normal running of circuit system. Furthermore, traces on PCB become so compact that crosstalk noise will be generated and signal transmission obtains bad effect. For high-speed digital-analog mixed circuitry, according to the practical situation of signal running, PCB design should be reasonably implemented to solve signal integrity issues, to constantly increase the quality of signal transmission and to provide important information sources for the development of different industries and fields.
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