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Old 9th April 2003, 06:26 AM   #1
josefr is offline josefr  Poland
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Join Date: Mar 2003
Location: Bielsko-Bia?a
Unhappy Is this true?

Hi

When I was searching DAC projects in the net I found that some people claim that different SPDIF receivers/decoders sound different - I realize that they can introduce some jitter or something else but is it audible ?

So here are my questions:
- what quality is cs8414 - I'm going to use it in my DAC
- who produce SPDIF recieiver except Cirrus Logic - names and part numbers wanted

Thanks in advance

josefr
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Old 9th April 2003, 01:31 PM   #2
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Join Date: Feb 2002
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Quote:
I found that some people claim that different SPDIF receivers/decoders sound different
Yes, as will the circuitry that precedes them.

Quote:
I realize that they can introduce some jitter or something else but is it audible
Very much so.

Here we go again...........

Do not connect any receiver with Schmitt trigger inputs to any transmission line. That is the best place to start.

Jocko
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Old 9th April 2003, 06:29 PM   #3
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TI, AKM,Yamaha and Philips all make dedicated SPDIF receivers or devices that include SPDIF reception as one of their functions.

ray.
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Old 9th April 2003, 09:28 PM   #4
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Join Date: Dec 2001
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Hi

Because of the high jitter at the output of a 8412, we designed a decent second PLL circuit using a very slow loopfilter and a low jitter VCXO. It can be found here:

http://members.chello.nl/~m.heijlige...tml/dactop.htm

direct link to schematics

http://members.chello.nl/~m.heijlige...chematics.html

for those inteested I supply a module that takes in a jittery clock and puts out a clean one, based upon part of the DAC design as linked above.

best regards
-
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