Category:PCB 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!

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How to determine type of through-hole resistor? Reply 2016-08-01 14:50:20
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Tom Wong-Cornall

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Standard carbon through-hole resistors is familiar to us, but there are of course other types like wirewound, metal film, metal oxide, etc which we are not familiar. The trouble is, how do you identify the type of resistor if you just have a bunch sitting in a parts bin?
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Frank Dembski

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There really isn't any genuinely consistent way to identify resistor composition, short of destructive testing.
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