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Ok then. I might call a couple of the companies that offer service for these matters and see if anyone was willing to offer insight. You might get the eye rolling cold shoulder but you're sure to get nothing if you don't ask.
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"Take two placebos, works twice as well." Enzo
"Now get off my lawn with your silicooties and boom-chucka speakers and computers masquerading as amplifiers" Justin Thomas
"If you're not interested in opinions and the experience of others, why even start a thread?
You can't just expect consent." Helmholtz -
Good question!Originally posted by Chuck H View Post
The copper band is a shorted, very low resistance outer turn. As it goes around the core it only sees the leakage/stray field.
The induced short circuit currents (Eddy currents) produce a counter-field counteracting the transformer's leakage field.
So the principle is field compensation, not typical shielding.
It is essential that it closely wraps around the field source and that the band and the transformer bobbin are are aligned.
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