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1. 06:00 AM - Re: Re: Rotax 912 Noisy Regulator (Robert L. Nuckolls, III)
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| Subject: | 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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