Amanero Isolator/Reclocker GB - Page 47 - diyAudio
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Old 22nd March 2013, 04:48 PM   #461
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Boards received! Thanks acko!

Chris, do you happen to know if anyone made PCBs for those clock regs? Relatively easy to breadboard but wouldn't mind getting my hands on a bunch of PCBs.
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Old 23rd March 2013, 03:42 AM   #462
acko is offline acko  Australia
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Default XO - AKX302

Simple XO board for use with the re-clocker and DACs:
Has buffered and un-buffered outputs.
LDO options (AD150) for both XO and Buffer IC.
External power option.
0.8mm thick, FR4 board, 2oz Cu, gold plated

Price: USD 12 + std shipping (airmail)
Free shipping for those who have bought the Rec-clocker boards
A free board (and free shipping) for those who have also bought my DACs

Off to Fab early next week. ETA stock ~1wk.
Any comments/suggestions welcome.
Attached Images
File Type: png AKX302Prev.png (47.4 KB, 288 views)
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Old 23rd March 2013, 03:49 AM   #463
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got my boards the other day! thanks acko!

is there signup list for the new xo board?
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Old 23rd March 2013, 04:21 AM   #464
acko is offline acko  Australia
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Quote:
Originally Posted by diy_calderon View Post
got my boards the other day! thanks acko!

is there signup list for the new xo board?
Thanks for the update. Hopefully the rest will also get their boards within the next couple of weeks. Let me know if this is not the case.

For new XO board there will be no GB as this is a standard product, so there will be ample in stock
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Old 23rd March 2013, 06:02 AM   #465
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Acko,

I've just got two questions:

1. I'm about to order my Potatosemi FF for the reclocker so I was wondering if I could use one of their buffer's too. Is the PO74G38072A compatible?
2. Out of interest, is there a technical reason for the 0805 impedance matching resistors on this board vs the 0603 resistors used on the AKL-S0x boards?

Chris
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Old 23rd March 2013, 06:41 AM   #466
acko is offline acko  Australia
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Quote:
Originally Posted by hochopeper View Post
1. I'm about to order my Potatosemi FF for the reclocker so I was wondering if I could use one of their buffer's too. Is the PO74G38072A compatible?
Yes, it is in fact another tasty PotatoChip PO74G38072A

Quote:
Originally Posted by hochopeper View Post
2. Out of interest, is there a technical reason for the 0805 impedance matching resistors on this board vs the 0603 resistors used on the AKL-S0x boards?
Actually a 1206 on this board to make it easier for manual soldering and if you wish go for z-foils or RF types that more readily available in bigger packages. The Re-Clocker board is pretty cramped to match the Amanero dimensions and so the reason for 0603s
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Last edited by acko; 23rd March 2013 at 06:45 AM.
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Old 23rd March 2013, 07:51 AM   #467
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Thanks Acko, I've ordered my PotatoChips

What are the chances of changing the ext header to a 3-term type? I have a few spare of Ian's TPS7A regulator boards here that I could use, others might want to try Hynes reg or TPA shunt reg. This might need you to flip the 5V XO Power input to the top edge of the board perhaps?
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Old 23rd March 2013, 09:04 AM   #468
acko is offline acko  Australia
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Ok, nothing is finalised yet, will consider. Any pics of Ian's regs. Sorry, I have not been following the thread lately.
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Old 23rd March 2013, 09:12 AM   #469
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No worries, here is a pic of Ian's TPS7A4700 reg:

Click the image to open in full size.

He designed it when chasing better performance from the Si570 and found it gave a reasonable improvement over the ADP151 LDO that he was using previously.


Schematic is here - http://www.diyaudio.com/forums/attac...700v2.5sch.pdf

Last edited by hochopeper; 23rd March 2013 at 09:17 AM.
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Old 23rd March 2013, 10:57 AM   #470
DQ828 is online now DQ828  Australia
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Here we go again, whats a XO board do ?
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