Background noise in the amplifier Op Amps - EMI/RFI (faraday shield)
May 26, 2013 at 3:44 AM Thread Starter Post #1 of 3

fuens

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Hello
I have a new operational amplifier.
I hear background noise and in the end I found RFI.
I installed around opamps aluminium foils (faraday shield) and disappeared background noise.
My questions are:
Is it the same effect with an aluminum sheet?
Or is it preferable to use an cooper sheet?
 
Thanks on advance
 
Cheers
 

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