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Old 8th July 2012, 02:23 PM   #21
mvaldes is offline mvaldes  Italy
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Originally Posted by hochopeper View Post
Well consider me thoroughly interested!
one more here
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Old 8th July 2012, 02:31 PM   #22
ds23man is offline ds23man  Netherlands
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This is getting very interesting. What kind of Dac's?

I am fed up with waiting for the Hypex DLCP.......
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Old 8th July 2012, 02:34 PM   #23
ds23man is offline ds23man  Netherlands
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Can you post some pictures with more resolution?
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Old 8th July 2012, 02:34 PM   #24
qusp is offline qusp  Australia
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Originally Posted by chaparK View Post
Sounds good!
indeed it does! and local too!

might I suggest/ask/plead that you have optional u.fl pads for the i2s and MCK in and out? they take up almost no space and are totally SMD, so only need a pad and a via. makes for compact, neat and very effective impedance controlled connections and is starting to become a bit of a standard with any luck. 2 x USB->i2s boards, 1-2 dacs and the i2s fifo so far and its picking up steam.

Last edited by qusp; 8th July 2012 at 02:52 PM.
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Old 8th July 2012, 02:53 PM   #25
chaparK is offline chaparK  Luxembourg
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Originally Posted by mvaldes View Post
one more here
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Originally Posted by qusp View Post
indeed it does! and local too!
Thanks, I'm very happy you like the project!

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Originally Posted by ds23man View Post
Can you post some pictures with more resolution?
The boards you see on the pics I've posted so far are just prototypes.
Batch production hasn't started yet and these boards will be likely to look (slightly) different.
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Old 8th July 2012, 03:00 PM   #26
ds23man is offline ds23man  Netherlands
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Maybe the final batch will be different, higher res pictures are still welcome to satisfy my hunger!
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Old 8th July 2012, 03:04 PM   #27
ds23man is offline ds23man  Netherlands
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Dac's???????
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Old 8th July 2012, 03:19 PM   #28
qusp is offline qusp  Australia
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see my edit for request, i'm suggesting you add these like on ians i2s fifo board. this is a close up if an adapter he made but shows well, I have w.fl its smaller brother on my ackodac for the native connections and its on a few more recent boards released here for clock and i2s interconnections. not exclusively, just as an option as they take up so little space and should not interfere with layout when placed in parallel to a pinheader or whatever.

Click the image to open in full size.Click the image to open in full size.

Last edited by qusp; 8th July 2012 at 03:22 PM.
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Old 8th July 2012, 05:11 PM   #29
chaparK is offline chaparK  Luxembourg
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Originally Posted by ds23man View Post
Maybe the final batch will be different, higher res pictures are still welcome to satisfy my hunger!
Hi DS23man, more pics will follow shortly when I receive the first batch. I'm not eager to post detailed pics of a changing layout as this will cause confusion, hope you understand.

Quote:
Originally Posted by qusp View Post
see my edit for request, i'm suggesting you add these like on ians i2s fifo board. this is a close up if an adapter he made but shows well, I have w.fl its smaller brother on my ackodac for the native connections and its on a few more recent boards released here for clock and i2s interconnections. not exclusively, just as an option as they take up so little space and should not interfere with layout when placed in parallel to a pinheader or whatever.
Thanks for the suggestion. So my understanding is that you'd like to see pads for mini coaxial sockets, is that correct?
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Old 8th July 2012, 05:56 PM   #30
qusp is offline qusp  Australia
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yep, for i2s and clock. they are sold under a few different names, but the one that will always get hits at digikey or mouser is u.fl. They are 50ohms and good for up to 6GHz; most often used for connecting wifi antenna in mobiles or lappies, but they are perfect here for i2s and clock I/O.

they are called U.FL, UMC, or AMC depending on brand, but I use the Hirose U.FL the TE connectivity branded is fine too and about half the price. also for clock adapters instead of or as well as a dip type adapter the SMD female (only hirose make this one) would be perfect
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