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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: Assistance please with proper use of TI Shield posted by cdc on February 28, 2007 at 19:20:26:
Ti shield is definitely conductive, to both electric and magnetic fields. This is precisely what makes it an effective shield.Usually shielding is most effective and easy to implement when it is at the source of the radiation. However there is a tradeoff, as Al Sekela points out here regularly the shielding material can alter the current flow of desired signal due to inductive coupling. Because of this undesireable but unavoidable tradeoff shielding should only be used if necessary and if it is necessary there will be a benefit to reducing the inductive coupling as much as possible by adding distance between the desired signals conductor and the shield material.
IMO Earth should always be tied to signal ground back at the service entrance no where else. Also IMO there should always be a earth ground tied to the chassis for safety reasons. My interpretation of NEC indicates no current should be flowing into or out of earth connection in a properly functioning system.
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Follow Ups
- Re: Assistance please with proper use of TI Shield - Ugly 16:52:35 03/01/07 (2)
- Re: Assistance please with proper use of TI Shield - cdc 18:49:55 03/01/07 (1)
- Re: Assistance please with proper use of TI Shield - Ugly 12:36:01 03/02/07 (0)
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