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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: RE: Ground loop question. posted by Uncle Mike on March 5, 2015 at 17:41:38:
Impedance is anything that opposes the flow of current. It has two components: resistive and reactive. Your house wiring has low impedance to DC. But I am very doubtful that is the case for high frequency RFI. Think of all those oxidized screw terminal connections, skin effect, etc.
The power company is concerned with separate DC grounds. All DC grounds must be bonded at one point. Using a capacitor that has a low AC impedance at the frequencies that need grounding does not violate that rule. No DC will pass through it. Unless a high voltage spike fries it. If that happened it would probably fry the litz wire too. Why litz wire? It has a low impedance at high RF frequencies.
"It is better to remain silent and thought a fool, then speak and remove all doubt." A. Lincoln
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Follow Ups
- RE: Ground loop question. - JKT 16:57:04 03/06/15 (1)
- RE: Ground loop question. - JKT 17:35:23 03/06/15 (0)
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