DAC Ground Plane Noise Reduction?

fastcat95 · 2nd May 2005, 01:51 AM

Hello to All!

I have heard of a product that plugs into something
like an RCA SPDIF input in a DAC, that uses some sort
of filter (connected to the ground only) to absorb the
digital noise in the ground plane system.

Does anyone know what sort of filter would absorb
the ground plane noise by being connected only to
the ground?

Thanks in advance!

Fastcat

pku · 3rd May 2005, 06:08 PM

You only cut some PCB for a piece equal to DAC chip. Then pacth it on top of the chip. Soldering wire from this PCB to ground. It's easy way of making ground plane

2nd May 2005, 01:51 AM	#1
fastcat95 diyAudio Member Join Date: Jul 2003 Location: Indiana	DAC Ground Plane Noise Reduction? Hello to All! I have heard of a product that plugs into something like an RCA SPDIF input in a DAC, that uses some sort of filter (connected to the ground only) to absorb the digital noise in the ground plane system. Does anyone know what sort of filter would absorb the ground plane noise by being connected only to the ground? Thanks in advance! Fastcat

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3rd May 2005, 06:08 PM	#2
pku diyAudio Member Join Date: Mar 2003 Location: BKK, Thailand	You only cut some PCB for a piece equal to DAC chip. Then pacth it on top of the chip. Soldering wire from this PCB to ground. It's easy way of making ground plane

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