Hackers wanted for Ethernet DAC team project. - Page 6

peufeu · 23rd December 2007, 12:30 PM

OK, now :

who wants to review the schematics ?

Please send me a message and I'll send the schematics for review. Comments welcome !

duddface · 25th December 2007, 01:19 AM

Hi peufeu,

I cannot PM you as I am new to this forum and have not posted enough. But I would be more than glad to review your schematics and provide any constructive feedback if needed. If you want to do this offline, you can email me the schematics as a zip file to vsap78@yahoo.com.

Ananth

peufeu · 25th December 2007, 06:08 PM

You got mail

Meanwhile, please check this out for the next step in the project :

The DAC development platform

mako1138 · 29th December 2007, 07:31 AM

I'm also new to the forums and would like to review the schematics. (I do FPGA stuff at work, and this project looks like fun.) You can send them to (same username) @gmail.com, thanks.

TNT · 29th December 2007, 09:13 AM

Interesting topic!

All signals pins on ethernet is trafo coupled - thats good. Would it be possibleto add a swithch to disconnect the sheild so that total galvanic separation of media server is achived?

Quote:

Originally posted by peufeu
None, it's a dedicated MAC+PHY chip from SMC (LAN9117)

peufeu · 29th December 2007, 10:36 AM

mako1138 : I'll send you schematics (but not now, I'm making some modifications, see long post above).

TNT : For the shield I put a ferrite that can be soldered or not. However, just use UTP cable (the most common type of Cat-5 cable) which is Unshielded Twisted Pair, hence no ground connection via the shield. STP is Shielded Twisted Pair. The connectors are different, UTP is plastic, STP has a metal shield on the connector.

peufeu · 29th December 2007, 10:36 AM

mako1138 : I'll send you schematics (but not now, I'm making some modifications, see long post above).

TNT : For the shield I put a ferrite that can be soldered or not. However, just use UTP cable (the most common type of Cat-5 cable) which is Unshielded Twisted Pair, hence no ground connection via the shield. STP is Shielded Twisted Pair. The connectors are different, UTP is plastic, STP has a metal shield on the connector.

raidfibre · 29th December 2007, 01:49 PM

Hello,
Can you send me the schematic?
Also, I'm wondering if you have a cost estimate - or if you'd like I could spend a bit of time and estimate it.

-
Martin

peufeu · 2nd January 2008, 09:37 PM

Please read this post :

http://www.diyaudio.com/forums/showt...37#post1389637

29th December 2007, 01:49 PM	#58
raidfibre diyAudio Member Join Date: Jan 2003 Location: Boston, MA, USA	Hello, Can you send me the schematic? Also, I'm wondering if you have a cost estimate - or if you'd like I could spend a bit of time and estimate it. - Martin __________________ -- Martin K

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23rd December 2007, 12:30 PM	#51
peufeu diyAudio Member Join Date: Mar 2001 Location: Lyon, France	OK, now : who wants to review the schematics ? Please send me a message and I'll send the schematics for review. Comments welcome !

25th December 2007, 01:19 AM	#52
duddface diyAudio Member Join Date: Dec 2006	Hi peufeu, I cannot PM you as I am new to this forum and have not posted enough. But I would be more than glad to review your schematics and provide any constructive feedback if needed. If you want to do this offline, you can email me the schematics as a zip file to vsap78@yahoo.com. Ananth

25th December 2007, 06:08 PM	#53
peufeu diyAudio Member Join Date: Mar 2001 Location: Lyon, France	You got mail Meanwhile, please check this out for the next step in the project : The DAC development platform

29th December 2007, 07:31 AM	#54
mako1138 diyAudio Member Join Date: Nov 2007	I'm also new to the forums and would like to review the schematics. (I do FPGA stuff at work, and this project looks like fun.) You can send them to (same username) @gmail.com, thanks.

29th December 2007, 10:36 AM	#56
peufeu diyAudio Member Join Date: Mar 2001 Location: Lyon, France	mako1138 : I'll send you schematics (but not now, I'm making some modifications, see long post above). TNT : For the shield I put a ferrite that can be soldered or not. However, just use UTP cable (the most common type of Cat-5 cable) which is Unshielded Twisted Pair, hence no ground connection via the shield. STP is Shielded Twisted Pair. The connectors are different, UTP is plastic, STP has a metal shield on the connector.

2nd January 2008, 09:37 PM	#59
peufeu diyAudio Member Join Date: Mar 2001 Location: Lyon, France	Please read this post : http://www.diyaudio.com/forums/showt...37#post1389637

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