Computer Audio Asylum

Computer PS

147.145.40.44

In Reply to: RE: Upsampling EMI on the signal. posted by Norm on June 15, 2008 at 09:28:21

Just changing the PS in the chasis of the computer is not enough. Almost all modern motherboards contain a switching DC-DC converter on the board. The processors take 1V at 80A (yes thats 80 amps!). The PS does not provide this. The motherboard takes the 12V at 8-10 amps and converts it to the 1V at 80 amps. So even if you go with a linear computer supply the DC-DC switcher on the motherboard is going to be emitting all kinds of RFI.

John S.

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RE: Computer PS - RioTubes 20:02:07 06/17/08 (0)

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