Amanero Isolator/Reclocker GB - Page 89 - diyAudio
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Old 3rd November 2013, 11:13 PM   #881
palmito is offline palmito  United States
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Quote:
Originally Posted by acko View Post
C9 - 10u-100uf.
Any kind preferred? Aluminum like C1 ok?
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Old 3rd November 2013, 11:46 PM   #882
acko is offline acko  Australia
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Nothing special about C1, just to decouple incoming power lines especially if long leads are used. As you have got the bare board itself you can choose to load it with suitable spare components that you have and save some $. leaded aluminium electrolytics should be fine if you can make it fit the smd pads of C1
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Old 4th November 2013, 12:30 AM   #883
avian is offline avian  Australia
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Finally got around to building the s03. While I wait for one of those u.fl adapter boards for the b3 (and before I ultimately purchase a b3-se if all this goes well), I decided to try the s03 with a b2 board I have laying around. Not in synchronous configuration, and with a bunch of hacked up mini coax cables (not a pretty sight).

Good news is it works, bad news is it only syncs well at 44.1/48khz, crackling like a mofo at 88.2/96 and no sync at all with anything above that. Im thinking its probably the poor wiring, so not too fussed just yet.... but just incase I've stuffed up somewhere, a few trivial questions on the amanero setup. Am I right to presume the following settings are good good?

Firmware -
CPLD Firmware -> Slave2224
CPU Firmware -> firmware_1080

Configuration bits -
Prescaler = MCLK/1
Slave mode (MCLK Input) = Ticked
Pin 1 clock selector Map = USB Plugged
Pin 11 clock selector Map = 24.576Mhz selector


Also anything worth checking on the board itself?
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Old 5th November 2013, 08:52 AM   #884
acko is offline acko  Australia
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The setup appears correct. Possibly wiring issues,
To see if Amanero is really in Slave mode try removing R3 or R4 to cut off external clock to Amanero. DAC should go silent
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Old 6th November 2013, 10:24 PM   #885
miksi is online now miksi  Serbia
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Quote:
Originally Posted by avian View Post
Finally got around to building the s03. While I wait for one of those u.fl adapter boards for the b3 (and before I ultimately purchase a b3-se if all this goes well), I decided to try the s03 with a b2 board I have laying around. Not in synchronous configuration, and with a bunch of hacked up mini coax cables (not a pretty sight).

Good news is it works, bad news is it only syncs well at 44.1/48khz, crackling like a mofo at 88.2/96 and no sync at all with anything above that. Im thinking its probably the poor wiring, so not too fussed just yet.... but just incase I've stuffed up somewhere, a few trivial questions on the amanero setup. Am I right to presume the following settings are good good?

Firmware -
CPLD Firmware -> Slave2224
CPU Firmware -> firmware_1080

Configuration bits -
Prescaler = MCLK/1
Slave mode (MCLK Input) = Ticked
Pin 1 clock selector Map = USB Plugged
Pin 11 clock selector Map = 24.576Mhz selector


Also anything worth checking on the board itself?
Quote:
Originally Posted by acko View Post
The setup appears correct. Possibly wiring issues,
To see if Amanero is really in Slave mode try removing R3 or R4 to cut off external clock to Amanero. DAC should go silent
I'm using the same configuration bits but my CPLD firmware is CPLD_for_1080 and now apears that I'm not using it in synchronous mode at all!?
Does the local oscilators on Amanero board disabled in full sync mode?
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Old 7th November 2013, 01:13 AM   #886
miksi is online now miksi  Serbia
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1. CPLD_for_1080
CPU firmware 1080
when this was flashed initialy we have standard master mode but for full sync mode we need to set Slave mode in configuration bits and also one or both pins for clock selector map. But after setting the slave mode we can't go back to master mode by simply deselecting Slave mode - full erase is needed. Also local Amanero oscillator (22579200) is always enabled in slave mode.

2. with CPLD slave 2224 and
CPU firmware 1080
the same as above but goes directly to slave mode, also local oscillator 22579200 is always on.

3. CPLD bckl_test and CPU bitclk_test apears to be a slave only mode

I think update is needed on Amanero web page...
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Old 12th November 2013, 07:07 AM   #887
mksung is offline mksung  Taiwan
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Had build S01 and S02 without re-clock. The two isolators are malfunction after played 3~5 days. The BIII is locked but only sound likely white noise. Could you help me to check the installation without issue?

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Old 12th November 2013, 12:08 PM   #888
deanoUK is offline deanoUK  United Kingdom
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Hi mksung.
I would first check all the power supplies.
Check the u.fl females soldering.
Then re-plug the u.fl connectors.

I had worn out most of my u.fl cables resulting in the the kind of problems
you are experiencing.
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Old 13th November 2013, 03:52 AM   #889
mksung is offline mksung  Taiwan
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Hi deanoUk,
Thanks for advice. Had re-flowed and replaced u.fl with silver coating cable. But encountered same issue. I think the IL715 could be damaged and have ordered the Si8440 for replacing.

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Old 13th November 2013, 09:36 AM   #890
acko is offline acko  Australia
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Datasheet for IL715 indicates 10mA max output current. Possibly no protection from overload or shorts. Please check if output connections are clear of faults.
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