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Reference DAC Module - Discrete R-2R Sign Magnitude 24 bit 384 KHz

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#4,563
nkalogridis said:
Well that capture is taken while the DAM had locked on signal and sound was playing. More to that in the measured setup MCLK was coming out of DAM to the beaglebone black which is slaved on the DAM. Could you please explain what you mean by locking to new clock? (Forgive my ignorance on this but I thought that MCLK should be steady clocking while locked on the signal)
Click to expand...
Are you using the BBB I2S output to your DAM?


I was thinking of doing the same set up in a while.

Would you mind sharing your set up BBB which caps are used to connect it to DAM I2S

Sent from my ONE A2003 using Tapatalk
 
#4,564
aradan said:
Are you using the BBB I2S output to your DAM?


I was thinking of doing the same set up in a while.

Would you mind sharing your set up BBB which caps are used to connect it to DAM I2S

Sent from my ONE A2003 using Tapatalk
Click to expand...

wVJWGPI.jpg

You can connect them without a cap.
 
#4,567
I am getting no sound with 1.03. Seems to lock according to LED though. I get his on power up :

R1.03
I3
L000
F4
V+00
I3
I1
L044

input is via SPDIF via Normundus V1 input board. Power is +10V from Salas BIB. +/-5v analog from another Salas BIB. Mute disconnected (input transistor on mute circuit pulled up with ~ 10k resistor to V+).

Works OK if I revert to 0.99. v1 DAM1021.
 
Last edited:
#4,568
wineds said:
I am getting no sound with 1.03. Seems to lock according to LED though. I get his on power up :

R1.03
I3
L000
F4
V+00
I3
I1
L044

input is via SPDIF via Normundus V1 input board. Power is +10V from Salas BIB. +/-5v analog from another Salas BIB. Mute disconnected (input transistor on mute circuit pulled up with ~ 10k resistor to V+).

Works OK if I revert to 0.99. v1 DAM1021.
Click to expand...

Hi,
Can you tell me where did you disconnect the mute circuit? Or about when did this post been mentioned?
Thanks
 
#4,572
Firmware version 1.04 is now up on http://www.soekris.dk/download.html

There are now full DSD support, up to DoP128 and DSD256, depending on the used USB to I2S interface.

Pinout for DSD is per de facto standard:

I2S bclk -> DSD Bit Clock
I2S lrclk -> DSD Left Data
I2S dat -> DSD Right Data

The issue on version 1.03 with no output on SPDIF should be fixed now, could people having the issue please report back.
 
#4,573
soekris said:
Firmware version 1.04 is now up on Soekris Engineering, Inc. | Downloads

There are now full DSD support, up to DoP128 and DSD256, depending on the used USB to I2S interface.

Pinout for DSD is per de facto standard:

I2S bclk -> DSD Bit Clock
I2S lrclk -> DSD Left Data
I2S dat -> DSD Right Data

The issue on version 1.03 with no output on SPDIF should be fixed now, could people having the issue please report back.
Click to expand...

Except these three pins, which pin required to connect for Amanero Combo 384?
"DSD on" on Amanero Combo 384 not required?
The board can identify which signal format (PCM/DSD) to be decoded?
 
#4,576
soekris said:
Firmware version 1.04 is now up on Soekris Engineering, Inc. | Downloads

There are now full DSD support, up to DoP128 and DSD256, depending on the used USB to I2S interface.

Pinout for DSD is per de facto standard:

I2S bclk -> DSD Bit Clock
I2S lrclk -> DSD Left Data
I2S dat -> DSD Right Data

The issue on version 1.03 with no output on SPDIF should be fixed now, could people having the issue please report back.
Click to expand...

1.04 version fixed the 'no sound' issue, all is well. Thank you Soren 🙂
 
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