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                           AeroElectric-List Digest Archive
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                     Total Messages Posted Mon 10/12/15: 1
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Today's Message Index:
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     1. 06:00 AM - Re: Re: Rotax 912 Noisy Regulator  (Robert L. Nuckolls, III)
 
 
 
________________________________  Message 1  _____________________________________


Time: 06:00:55 AM PST US
From: "Robert L. Nuckolls, III" <nuckolls.bob@aeroelectric.com>
Subject: Re: AeroElectric-List: Re: Rotax 912 Noisy Regulator

At 09:57 AM 10/7/2015, you wrote:
>Hi Guy... just out of curiosity, can you explain how you test for 
>ground loops? Using an ohm meter, apparently, but hoe exactly? Thanks!


   A 'ground loop' is said to exist when a potential
   antagonist (most often an alternator, motor or
   sometimes a strobe) shares a ground path with a
   potential victim (most often an audio system or
   some instrument that responds to millivolt level
   signals).

   Hence, the victim's performance is compromised
   by the DC/AC components of the antagonist's
   functionality. Ground loops are avoided with
   judicious attention to architecture where failure
   to 'avoid by design' cannot be readily detected
   except for the victim's mis-behaviors.

   I'm not sure how any sort of instrument or
   other measuring process would be useful in
   detecting/analyzing a ground loop.


   Bob . . . 

 

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