Copper Shielding of Digital Chips? - diyAudio
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Old 24th June 2007, 01:59 PM   #1
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Join Date: Jul 2003
Location: Indiana
Default Copper Shielding of Digital Chips?

Hello to all!

Does anyone have comments about using copper shielding
on top of digital chips in DACs? Is there a worthwhile sound
improvement? Should the copper be grounded to the circuit
ground, or to the 3rd wire earth ground coming into a DAC?

Many thanks in Advance!

fastcat
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Old 24th June 2007, 02:28 PM   #2
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Join Date: Oct 2005
I have never tried this trick with a dac, but have had success covering the tripath chip in my Amp6 with a copper shield (grounded to chassis ground).

Subtle improvements in smoothness and detail.

Worth a try...
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Old 27th June 2007, 02:58 PM   #3
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Join Date: Dec 2001
Location: Eindhoven
Default Re: Copper Shielding of Digital Chips?

Quote:
Originally posted by fastcat95
Hello to all!

Does anyone have comments about using copper shielding
on top of digital chips in DACs? Is there a worthwhile sound
improvement? Should the copper be grounded to the circuit
ground, or to the 3rd wire earth ground coming into a DAC?

Many thanks in Advance!

fastcat

If it works, it does something for very high frequencies, hence the copper should be grounded very close to the chip (ground).

best
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