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Old 27th April 2017, 06:18 PM   #11
lemon is offline lemon  Greece
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I understand...
A friend of mine told me that this project goes until 192K sampling, is that true?
Why not the 352/384 and dsd?
Amanero with different version of Atmel goes well...
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Old 27th April 2017, 06:43 PM   #12
Mayday is offline Mayday  Sweden
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Quote:
Originally Posted by lemon View Post
I understand...
A friend of mine told me that this project goes until 192K sampling, is that true?
Why not the 352/384 and dsd?
Amanero with different version of Atmel goes well...
As mine will likely never see a signal above 192Khz, I have not looked into that.
It follows UAC1 and UAC2 standards from my limited understanding. Maybe looking at those, and looking at sites like henry audio etc that use this MCU can give you a clearer picture of the capabilities of this IC used in the way it is here?
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Old 28th April 2017, 07:18 AM   #14
lemon is offline lemon  Greece
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Hmm...I read at the link The ζ1 Audio Widget asynchronous USB-IS module

"UAC2 (USB 2.0 high speed): up to 32 bits; 44.1KHz, 48KHz, 88.2KHz, 96KHz, 176.4KHz and 192KHz sample rates".

Thanks for links.
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Old 2nd May 2017, 07:16 PM   #15
Mayday is offline Mayday  Sweden
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I got the boards from oshpark today
Fast turnaround for the 0.8mm, 2oz Cu option.
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File Type: jpg Audio-Widget_PCBs_4.jpg (120.6 KB, 124 views)
File Type: jpg Audio-Widget_PCBs_1.jpg (651.7 KB, 125 views)
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Old 3rd May 2017, 10:28 AM   #16
Mayday is offline Mayday  Sweden
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Started populating the first board.
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File Type: jpg Audio-Widget_PCB1_populating_5.jpg (249.4 KB, 107 views)
File Type: jpg Audio-Widget_PCB1_populating_4.jpg (166.8 KB, 105 views)
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Old 4th May 2017, 07:23 AM   #17
Mayday is offline Mayday  Sweden
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Got some more parts populated this morning.
I have to take it a few parts at a time as I'm recovering from a neck surgery.
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File Type: jpg Audio-Widget_PCB1_populating_6.JPG (635.9 KB, 84 views)
File Type: jpg Audio-Widget_PCB1_populating_7.jpg (328.6 KB, 33 views)
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Old 4th May 2017, 01:45 PM   #18
lemon is offline lemon  Greece
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Nice soldering...congratulation!
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Old 4th May 2017, 02:43 PM   #19
Mayday is offline Mayday  Sweden
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Thank you
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Old 5th May 2017, 07:36 AM   #20
Mayday is offline Mayday  Sweden
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Got some additional parts populated today. I did notice I'd missed to order the LP2992AIM5-3.3 and I had gotten 74LVC1G80's with the wrong footprint.
Ordered both this morning, should get them during next week.

I need to reflow/clean up a few things (good thing about having a decent DSLR is spotting that stuff in pics, when you don't have a USB-microscope).
There's cotton from a q-tip from when I cleaned the board on one of the C0G/NP0 caps.
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File Type: jpg Audio-Widget_PCB1_populating_12.JPG (662.6 KB, 29 views)
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