ES9023 / WM8804 S/PDIF "Subbu DAC V3" GB Interest - Page 59 - diyAudio
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Old 17th February 2013, 09:31 AM   #581
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Join Date: Jul 2007
I've just discovered this thread
Please count me in The spreadsheet is updated.

Thanks,
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Old 18th February 2013, 03:15 AM   #582
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Join Date: Feb 2013
I'm in. Timing is impeccable. Added myself to the spreadsheet.
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Old 18th February 2013, 09:46 AM   #583
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Join Date: Nov 2006
Location: Lyon
Hi All

Some answers to last questions :

@Atupi : LM723 PSU has been especially designed by Jean-Paul for this project.
He had done several prototypes leading to this version, considered as "Good Enough"
Have a look there for some regs perfs : New Breed of Ultra Low Noise Regulators H i F i D U I N O
Read the article, I haven't seen 7805 mentioned

@Corsair88 : Yes GB is still active, no deadline by now. Welcome !

@ scoutOne : Welcome ! This guy drives me to DIYAudio world some years ago...
Don't know if you remember me scoutOne, we've talked about balanced inputs, leading me to build an UGS All inclusive.
Thanks to Flat/Maousse and all others HCFR Diyers involved.

GB is still alive

Regards

Phil
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Old 18th February 2013, 11:01 AM   #584
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Join Date: Jul 2007
Quote:
Originally Posted by korben69 View Post


@ scoutOne : Welcome ! This guy drives me to DIYAudio world some years ago...
Don't know if you remember me scoutOne, we've talked about balanced inputs, leading me to build an UGS All inclusive.
Thanks to Flat/Maousse and all others HCFR Diyers involved.

GB is still alive

Regards

l
I do, for sure
Good luck for this GB
Benjamin
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Old 18th February 2013, 09:57 PM   #585
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Join Date: Sep 2002
Location: Germany
V3 news within a week (I hope).....keep your fingers crossed....

Got my PSU boards form one of the diyaudio members. Seems I indeed was the last one to receive my own PCB Now I need to find the time to build it. You know the problem.
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Last edited by jean-paul; 18th February 2013 at 10:01 PM.
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Old 18th February 2013, 11:52 PM   #586
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Woohoo!
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Old 19th February 2013, 08:59 AM   #587
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Join Date: Jun 2010
Location: SF Bay Area
Default V3 News!

Just to spice up JPs post, here is a sample of what is going to be ordered this weekend for evaluation and testing. More news to follow.

Cheers!
Subbu
Attached Images
File Type: png Subbu DAC v3.png (79.3 KB, 393 views)
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Old 19th February 2013, 10:32 AM   #588
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Join Date: Aug 2010
Subbu,

that looks really good

I like the optional soldering points for foil Cs and Elcaps and some will be happy to see U.FL headers. BTW: did you try the synchronous operation of ES9023 and 8804 using FF to divide the MCLK? I think I'll try both and see if I can hear/measure any difference

Best regards, Daniel
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Old 19th February 2013, 11:45 AM   #589
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" Et exspecto resurrectionem "
2 messages from Jean-Paul & Subbu within 24 hours
Great pic from what the V3 would look like

U.FL pads for I2S inputs (X4/5/6) great
What's RP1 ?
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Old 19th February 2013, 12:28 PM   #590
massimo is offline massimo  Italy
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Location: Milan, Italy
RP1 looks like a 4 resistors array
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