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Old 20th June 2005, 05:59 PM   #21
jleaman is offline jleaman  Belgium
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The link is not working. Can you send them to me too ?

itsparks at uniserve . com
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Old 20th June 2005, 07:08 PM   #22
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For those who think they have a problem with downloading the files (i thought so too at first) here is the schematics anyway (hope it's ok gmarsh)
http://www.ettnet.se/~tobias/diy/sch.png
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Old 21st June 2005, 04:24 AM   #23
jleaman is offline jleaman  Belgium
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I want the eagle files.

PLZ
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Old 21st June 2005, 08:36 AM   #24
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So am I correct in my guess that each input is in a different format, and you simply switch what format it is decoding?
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Old 21st June 2005, 10:53 AM   #25
gmarsh is offline gmarsh  Canada
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since people seem to be having trouble with rapidshare, i've split up the file and i'm posting it in this thread.

This file contains the main Eagle .brd/.sch files, the AVR microcontroller code and the front panel designs.

You'll need Eagle Hobby or better to edit the files; the schematic has two pages and the board is 160x100mm 4-layer. To compile the AVR software, you'll need avr-gcc - Google for "winavr" if you're using a Windows machine. And the front panels are designed using the software from http://frontpanelexpress.com
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File Type: zip hd1-build-files.zip (91.4 KB, 1062 views)
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Old 21st June 2005, 10:54 AM   #26
gmarsh is offline gmarsh  Canada
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here's the libraries required for Eagle; an AVR library which contains the Mega8 part and a "hpaparts.lbr" library which contains several parts used in this design.
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File Type: zip hd1-eagle-libs.zip (60.8 KB, 633 views)
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Old 21st June 2005, 10:55 AM   #27
gmarsh is offline gmarsh  Canada
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First half of the gerbers - four copper layers and drill files.
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File Type: zip hd1-gerbers1.zip (74.5 KB, 456 views)
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Old 21st June 2005, 10:56 AM   #28
gmarsh is offline gmarsh  Canada
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and the second half of the gerbers - solder mask, silkscreen, fab drawing and build instructions.

Enjoy.
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File Type: zip hd1-gerbers2.zip (51.4 KB, 467 views)
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Old 19th April 2006, 09:02 AM   #29
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Hi

Nice project ! How many MHz is the crystal? Will it accept 44.1khz and 48Khz input? This project seems to be perfect for my digital room correction PC... only need to replace the I/V stage.

Best regards

Kim Olesen
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Old 20th April 2006, 11:44 AM   #30
gmarsh is offline gmarsh  Canada
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Quote:
Originally posted by KimBOlesen
Hi

Nice project ! How many MHz is the crystal? Will it accept 44.1khz and 48Khz input? This project seems to be perfect for my digital room correction PC... only need to replace the I/V stage.

Best regards

Kim Olesen
The crystal is 29.4912MHz. I'm using the 'CB3LV' series from CTS Corp, available from Digikey.

Acceptable input range is 32 to 192KHz.
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