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Old 2nd October 2013, 01:19 PM   #1731
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I am using it with Vortexbox (= Fedora 16, = Linux), and it runs without any problem.
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Old 2nd October 2013, 06:04 PM   #1732
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Quote:
Originally Posted by hannesie View Post
I am using it with Vortexbox (= Fedora 16, = Linux), and it runs without any problem.
Can you adjust the volume?
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Old 2nd October 2013, 10:43 PM   #1733
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I am using the Amanero in combination with a Sabre 9016 DAC and that is in combination wirh a volumecontrol, that works perfect.
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Old 3rd October 2013, 11:18 PM   #1734
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Hello,

I'm trying to power up the amanero board using external 5V regulated & linear PSU.
For that I make a custom USB (A-B) cable but unfortunatel the amanero module is not reconigized with this custom cable (DATA + and - from the raspberry pi and GND and 5v from the linear PSU)

Is there is one of you how manage to power the amanero bord NOT from 5V USB ??

Thanks

F
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Old 4th October 2013, 03:55 AM   #1735
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have you kept the GND refference also from the PC or just from the 5V linear PSU?
you must keep also the PC GND because D +/- is not recognized otherwise ... and keeping the (poluted) PC GND gives you NO benefit even if you use linear PSU

better install a ADuM USB isolator before the amanero (with 24/96khz limit) or if you want no sampling rate limit an I2S isolator after the amanero and that one (the isolated half) can be powered with great benefit from the linear PSU
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Old 4th October 2013, 07:00 AM   #1736
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Hello luxury54,

The Amanero is connected to a raspberry pi.

I've tried different options:
GND from the the pi and GND from the linear PSU and in both cases the amanero is not recognized :-(

I tried with a "custom USB cable" and with a commercial cable where "I cut" the 5V and the GND.

ps: by using a standard commercial cable works perfectly (i.e. the amanero is powered from the USB of the pi)

I have the feeling that the problem may come from my linear PSU but if I check the voltages:

from the pi : 4.8 VDC
from the linear PSU : 5.0 VDC

... can't believe the difference of 0.2 V is causing the issue

My linear PSU
4 17UV Ultralow Noise DAC Power Supply Regulator 3 3V 5 5V 1AX4 | eBay
(source raspyfi : The best Raspberry Pi power supply - RaspyFi)

My setup (the picture is with a custom USB-AB cable for connecting the amanero and the legend is in french) but it's self speaking I guess:
https://www.dropbox.com/s/t05vh21h81l9f2q/Untitled.png

I would think that, somehow, the linear PSU is causing the problem but honestly I have no idea where and where I could investigate

Francis
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Old 4th October 2013, 02:45 PM   #1737
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Added myself to the list for 3 pcs
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Old 7th October 2013, 09:23 PM   #1738
Marek is offline Marek  Poland
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Amanero, is that possible to develop CPLD firmware which provide LL/LR, DL, DR and BCK signals insteed of I2S for R2R multibit DACs like PCM63, PCM1702/4, AD1865/2?
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Old 8th October 2013, 05:39 AM   #1739
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good question, I second that
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Old 8th October 2013, 03:24 PM   #1740
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Default Which source?

Quote:
Originally Posted by janos_904 View Post
Hi, Thanks to Merlin El Mago, who managed to do similar upgrade, I have made this trick, using Salas 1.1 BIB at 5V output. The already good skills of amanero board were elevated to a new level. Finally, I ended up of using just a 3,3V, which is connected to the 3,3 V outlet on the board (near to the I2S outputs). Also an advantage, that the quality of USB cable is less sensitive, because there is no 5V running on it. I have to say, this setup easily rivals the best CD transports. Congratulations to AMANERO and many thanks to MERLIN as well. JŠnos
Janos, what are you using as source? PC, Mac, Squeezebox, other? Which player? Foobar, Audirvana, other?

Sebastian
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