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V static


amando
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Some times, I discharge static to the Box, then it hangs and I have to turn power off 2 seconds for reset, I cant put a ground wire because my box run with 12v rechargable battery (for more portablility), I don't want damage the unit, may be the solution a capacitor? were I can connect it? to chasis and V+?

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Hi Amando,

ESD is a really new issue! Are you using a metal or a wooden case? If metal: It makes sense to connect the ground of the MIDIbox with the chassis, just to ensure that Vss is on the same voltage level like the outer world. On this way, the circuit should not be affected by discharges. I'm not sure if an additional cap could help.

Best Regards, Thorsten.

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  • 3 weeks later...

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