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John Curl's Blowtorch preamplifier part III
John Curl's Blowtorch preamplifier part III
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Old Today, 12:13 PM   #30741
RNMarsh is offline RNMarsh  United States
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Join Date: May 2012
Location: 2457 Cascade Trail; Cool, CA. 95614
Originally Posted by Bonsai View Post
I don’t think it’s correct to talk about ‘potential differences between grounds cause ground loops’ which you see all over the web.

Most ground wiring loops generate 100’s of uV and uA - not more. Focus on reducing loop area and the issue can normally be brought under control.

Not so. This is a legal NEC system Untouched in a residential home. 15 mA, 60Hz flow between two earthed ground points.

2005-01-16 02.39.36.jpg

Assumptions can kill you. Always measure.


Last edited by RNMarsh; Today at 12:19 PM.
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Old Today, 12:36 PM   #30742
bozoc is offline bozoc  Croatia
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Join Date: Oct 2016
Originally Posted by PMA View Post
You misrepresent my point.
Term philosophy does not refer to specific academic field, but is used in a broader sense. Looking at the origin, Greek word philosophia Philos-love and Sophia-wisdom, things become more clear.
To think that you only deal with "hard objective facts" and and in this case natural sciences without the use of philosophical inquiry is silly.

Eng.D. is a professional degree, the Ph.D. is a research degree.
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