Category:PCB PCB Manufacturing

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PCB manufacturing consists of many steps, such as PCB CAM, Panelization, Copper patterning, etc. This group is mainly talked about the problems during PCB manufacturing!

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The resistance and noise of solder mask surface Reply 2016-07-22 22:18:03
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Eng.Mohamed

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If there is a relation between using a high resistance and environment noise effect on circuit.
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Statement: This post is only the personal view of the author and does not represent the opinions of ALLPCB.com.

silenceartelectronic

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Modern FR4 material has excellent properties up into the UHF region. If you require an input with gigaohms of input impedance, you may consider a bootstrapped guard ring around your input point.

Vasiliy

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It mostly depends on the circuitry. The phenolic boards before required ceramic standoffs for the components that required tens or hundreds of gigaohm resistance from each node to ground/node to node. But now it do not need so much, and eve

Nigel Nichols

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I appreciate your article very much. Wait for your next writing.
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