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Old 2nd February 2011, 08:32 AM   #1791
qusp is offline qusp  Australia
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is it a buffalo II? if not you are thanking the wrong guy, brian did not design the sabre chip, only designs that use it
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Old 2nd February 2011, 08:34 AM   #1792
qusp is offline qusp  Australia
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Quote:
Originally Posted by AR2 View Post
I would think that buffering would be advisable and necessary but I do not know what is used for buffering of I2S. Could you please elaborate little bit more in detail what is used for this purpose. I know how to do it for S/PDIF but I do not think that same way could be done for I2S.
Thank you.
what is needed is actually quite similar. LMV7219 would be fine
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Old 2nd February 2011, 11:33 AM   #1793
Zoran is offline Zoran  Serbia
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It is not buffalo
it is the dac i designed
(original design, not copy at all points...)
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Old 2nd February 2011, 11:37 AM   #1794
Zoran is offline Zoran  Serbia
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Sorry i think about Dustin,
but Brian could help if he know how to?
if He is still around at the topic?
sorry again
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Old 2nd February 2011, 04:08 PM   #1795
glt is offline glt  United States
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Quote:
Originally Posted by Zoran View Post
Hi,
I have one Q
(Maybe Brian is most qualified person to answer...)
I have Sabre dac playing (very good)
in factory settings 80MHz MCL, 24bit, i2S, Ioutput, 50KHz/fast roll-off, jitter reduction
and L/R 4 X DAC ballanced out.
.
My Q is can I set the PIC to SET all DAC units inside to single ended Iout
to one channel?
I want use single chip per channel and I do not need ballanced outs...
?
Thanks
And thankk You Brian for the great great DAC chip
You can set all DACs with the same phase if that is what you are asking... Take a look at the datasheet...
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Old 2nd February 2011, 06:43 PM   #1796
Zoran is offline Zoran  Serbia
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I went through the sheets,
and i saw the option to switch the phases opposite
BUT
I think that there is no point because
the dac unit (like for the example dac1 to 8
are still ballanced...)
and
turning the phase in mean that You can get only oposite phases
against factory setting...
I simply could not find the information how to split
the + and - Iouts from the single dac unit inside?
Or maybe I get it wrong?
thanks
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Old 2nd February 2011, 06:46 PM   #1797
Zoran is offline Zoran  Serbia
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I need to change the phase of one half of the dac unit
this one "-" to change to "+",
and for every dac unit inside the chip (8 pieces...)
I dont need ballanced line.
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Old 3rd February 2011, 12:35 PM   #1798
Bunpei is offline Bunpei  Japan
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Quote:
Originally Posted by Zoran View Post
can I employ 90.3168 MHz master clock with Sabre dac?
( 90.3168 MHz = 4 x 22.5794 MHz = 4 x 512 x 44.1 KHz )
As for ES9018, I have tested 80, 96, 100 MHz and my co-worker in Japan tested 92 MHz as well. No problems for all the frequencies as long as you play <= 192 kHz. Only if you play 352.8kHz audio files on OSF mode, it's better to use 96 or 100 MHz.

(To say exactly, 512 x 44.1 kHz = 22.5792 MHz )

Last edited by Bunpei; 3rd February 2011 at 12:38 PM.
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Old 4th February 2011, 05:59 AM   #1799
Zoran is offline Zoran  Serbia
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thanks Bunpei
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Old 4th February 2011, 04:48 PM   #1800
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Thank you Bunpei,
I have the board bunpei mentions, the ElectrArt USB-Dual-Audio, and am now enjoying DSD playback from my PC to the ES9018 Buffalo-II DAC. Both 64fs 2.8Mhz and 128fs 5.6Mhz are supported, both playback and record. I started a thread with more details. Just want the DIY community to know DSD is here.

btw, price was $384 shipped to the US built and tested, including unpopulated DSD1794a DAC and PCM4202 ADC and meter/sample rate led pcb.

Last edited by alexcount; 4th February 2011 at 04:51 PM.
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