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Old 19th August 2004, 12:42 PM   #1
MWP is offline MWP  Australia
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Question Design critique

Hi all,

Ive just finished my new design for a DAC + Gainclone Amp i planning to build shortly.
Its one of the bigger more complex designs ive attempted from scratch.

Anyone care to give it a once over?
It would be nice to get some comments/thumbs-up from you guys before i put in the many hours designing and building the PCBs for it.

http://www.overclockers.com.au/~mwp/...p-dac-amp1.pdf

BTW...
Yes, i know there is no volume control besides the two step relay atten. Volume control will be before the DACs.
And, yes, one single ground plane instead of split.

Thanks!
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Old 19th August 2004, 01:00 PM   #2
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MWP,


Your link doesn't open for me, is it correct?

Jan Didden
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Old 19th August 2004, 01:14 PM   #3
MWP is offline MWP  Australia
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Quote:
Originally posted by janneman
Your link doesn't open for me, is it correct?
It is.
Try again, looks like the server is a little flakey at the moment.
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Old 20th August 2004, 03:51 AM   #4
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Anyone?
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Old 21st August 2004, 09:37 AM   #5
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Default Design

You did use Protel for that schematics, did you?? I'll post my oppinion after some days, sorry; looks very simmple, but that were your intetnions, were they??
I also consider using digital volume control with 1-2 step relays as one of the best choices with high performance/cost ratio.
Regards
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Old 21st August 2004, 10:17 AM   #6
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Default Re: Design critique

Quote:
Originally posted by MWP

<snip>
Volume control will be before the DACs.
<snip>
What method of digital volume control ?
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Old 22nd August 2004, 04:20 AM   #7
MWP is offline MWP  Australia
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Default Re: Re: Design critique

Quote:
Originally posted by rfbrw
What method of digital volume control ?
In the source... my Linux audio PC.
I will be building 3 of these PCBs and using Brutefir for active xovers.
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