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Old 29th May 2012, 09:33 AM   #391
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50MHz is max for ES9023.
So you'll have to use 33.8688 MHz XO.


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Old 29th May 2012, 10:27 AM   #392
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Thanks, Patrick for the offer. I certainly know the time problem. I took some days off from designing and that did me really good.
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Old 29th May 2012, 11:41 AM   #393
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thx for reply Patrick

can I use ES9023 at 16.9344 or It Is better to go higher as It can to 50 MHz
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Old 29th May 2012, 05:07 PM   #394
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As high as possible in synchronous mode.


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Old 30th May 2012, 01:56 PM   #395
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I think you mean asynchronous mode ....
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Old 30th May 2012, 02:59 PM   #396
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No. I meant synchronous mode.

That is why I use 45.1584MHz XO which is divided by 4 to clock the QA550 also from the same XO.
If his CD player use 16.9344 and can be fed the CLK signal externally, he should then use 33.8688MHz XO.
He can then divide by 2 to get 16.9344 for the CD, while the ES9022 operates at 33.8688.

No such game for WM8804. SPDIF always involves a PLL I am afraid.


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Old 30th May 2012, 03:39 PM   #397
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Hi I misread the previous posts (without WM8804)

BTW I am very happy with WM8804, no more existing CS84XX or DIR products for me anymore unless a new one will be developed that surpasses WM8804/5..
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Old 30th May 2012, 04:11 PM   #398
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The last sentence I can agree with.
Thanks go to fitzfish for the tip.


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Old 30th May 2012, 04:25 PM   #399
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What tip ? To use WM8804 ?
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Old 30th May 2012, 04:48 PM   #400
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Yes.
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