Category:PCB PCB Manufacturing

Group Administrators: 1 | Group Member: 277 | Group Threads: 436

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 function of the PCB Reply 2016-07-07 07:42:13
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Ciurdar Gabriel

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There is a PCB from my AC power supply. Here are the circuit elements for your reference: rectifier----capacitor----IC 7812----capacitor round 35V,470uF | | bridge | | | | | Transformer Relays Input from time relay EI35-220V | | | Output Output
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Reply 2016-07-07 07:42:13
Statement: This post is only the personal view of the author and does not represent the opinions of ALLPCB.com.

francois.jacob.hello

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Everything except the relays is just standard linear power supply. Then presumably the relays are controlled by something to supply 12V to something.
Reply With Quote 2017-01-01 23:56:38

Joshua Mulcahy

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What I know is that the IC 7812 is a 12V regulator.
Reply With Quote 2016-11-17 02:03:13

jluisdrv

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It could be switching line voltage as well. the 12v could power whatever sensor circuits there are to activate the relays.
Reply With Quote 2016-08-17 18:59:43

servimatec

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If you can upload an image, it will be better for us to answer your question.
Reply With Quote 2016-08-10 05:58:45

giovanni.ortali

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Bookmarked.Really helpful.
Reply With Quote 2016-07-09 07:42:13
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