[gta02-core] SD/SIM vs. ESD and EMI

Werner Almesberger werner at openmoko.org
Tue Dec 1 15:33:54 CET 2009

Patryk Benderz wrote:
> great, after this paaragraph i understood what ESD is :)
> (Electro Static Discharge ?)

You got it :)

> Definitively I am not an expert here (rather newbie), but wouldn't
> Zener's diode be sufficient to take this electric charges to GND?

Yes, Zeners and avalanche diodes are used for this. TVS diodes
are just bidirectional, so they cut everything that strays too
far from either side of GND (or whatever rail they connect to.)

- Werner

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