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UltraAnalog D20400 DATA ! I have it all !!
UltraAnalog D20400 DATA ! I have it all !!
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Old 13th May 2018, 12:45 PM   #11
NATDBERG is offline NATDBERG  United Kingdom
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The old problem of the internet - the links no-longer work. Nothing lasts very long in the digital online world, companies come and go.

I'll find the files and make new links.
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Old 15th May 2018, 09:10 PM   #12
tiefbassuebertr is offline tiefbassuebertr  Germany
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Default Datasheets and Descriptions

several information
Attached Files
File Type: pdf Ultra Analog D20400 datasheet.pdf (492.8 KB, 113 views)
File Type: pdf Ultra Analog Jitter_AP-03.pdf (684.2 KB, 95 views)
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Old 16th May 2018, 06:49 AM   #13
Markw4 is offline Markw4  United States
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Another application note here: http://forum.vegalab.ru/attachment.p...6&d=1434311729
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Old 17th November 2019, 08:03 PM   #14
chrisautosound is offline chrisautosound  United States
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I have made a replacement for years for use in the Levinson No35. Today I dropped one in a Parasound D/AC-2000 and it works there too.
0.0025%
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File Type: jpg IMG_9470.jpg (968.9 KB, 95 views)
File Type: jpg parasound.jpg (1.00 MB, 85 views)

Last edited by chrisautosound; 17th November 2019 at 08:12 PM.
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Old 18th November 2019, 12:18 PM   #15
Jon Lord is offline Jon Lord  Germany
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Which DAC chips did you use PCM1702 ?

EDIT: Zoom into picture reveals it's PCM1704 :-)

Is it your development ? Is a bare PCB available ?
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Last edited by Jon Lord; 18th November 2019 at 12:24 PM.
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Old 18th November 2019, 03:20 PM   #16
chrisautosound is offline chrisautosound  United States
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Quote:
Originally Posted by Jon Lord View Post
Which DAC chips did you use PCM1702 ?

EDIT: Zoom into picture reveals it's PCM1704 :-)

Is it your development ? Is a bare PCB available ?

yes, the design is straight from the TI data sheet but the layout is mine.


The last batch I made was years ago and I only have the populated boards for use in repairs. the Paraound was a drop in but the Levinson No35 resquires a clock buffer replacement and the No30.5 requires a different PCB.
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Old 21st November 2019, 11:01 AM   #17
Jon Lord is offline Jon Lord  Germany
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If you still have the Gerbers, I would order some (perhaps 10pcs.) new bare PCBs in China and offer it here to other users.

I also could edit the layout to add a clock buffer.

This would cost most certainly not more than 10USD per piece.

I still have a few PCM1704U-J in my drawer. This would be probably the best way to get them used.
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