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ferrilu1  
#1 Posted : Friday, January 28, 2011 1:59:36 AM(UTC)
ferrilu1

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I still haven't unpackaged the Buffalo board, I'd like to know if the pin headers must be soldered to each board ( AVCC and Legato )and if are there special tips to do that.
For earlier regulation is it preferable to have not pins soldered in case is needed to remove the AVCC module or the Buffalo board from the Legato ?
I hope these are my last silly questions and do not bother more...
Thanks to anyone will help me
regards
gianluca
NicMac  
#2 Posted : Friday, January 28, 2011 4:23:32 AM(UTC)
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For the headers connecting buffalo and legato it is best to solder them with the two boards mounted together with spacers and screws so you will be sure that the connectors are perfectly aligned (I use the female on legato). The screws go on top (buffalo board), the female/male spacer between buffalo and legato boards and the female/female spacer below legato.
Essentially the same thing for the AVCC module; mount it on the buffalo board and keep it in place with an elastic, solder a few header points on the AVCC board, turn it all around and do a few connector joints on the buffalo, remove elastic and do the rest of the joints. I used the female header on buffalo and male on the AVCC module.
I don't understand what you mean by "earlier regulation". The pin headers connects the boards in a reversible manner (snap-in) and you will not have to do any soldering to separate the boards.
Cheers,
Nic
Russ White  
#3 Posted : Friday, January 28, 2011 8:57:09 AM(UTC)
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It is generally better to use the female header on the DAC. The reason is that then if you change I/V stages it is much simpler to get the pin headers than the female headers. And we generally supply the pin headers.

Neither the AVCC module nor Legato/Ivy modules need to be permanently mounted but the connectors do. :)
ferrilu1  
#4 Posted : Friday, January 28, 2011 10:55:55 AM(UTC)
ferrilu1

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Dear Russ thanks for your help.
I have another problem...4 QP BS250 transistors are missing, I have only 8...what can I do? Buy new 12 equivalent P channel mosfet?

Are these equivalent:

http://cgi.ebay.it/4-x-B...&hash=item27b5e7eb24

Edited by user Friday, January 28, 2011 12:07:47 PM(UTC)  | Reason: Not specified

Brian Donegan  
#5 Posted : Friday, January 28, 2011 1:17:07 PM(UTC)
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Sorry about the missing mosfets. I will send them out today.
ferrilu1  
#6 Posted : Friday, January 28, 2011 1:35:46 PM(UTC)
ferrilu1

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Wonderful.
Thanks and Regards
gianluca

Edited by user Friday, January 28, 2011 1:41:49 PM(UTC)  | Reason: Not specified

Russ White  
#7 Posted : Friday, January 28, 2011 1:40:43 PM(UTC)
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In the meantime you can use only 2 pair per side instead of 3 and it will work just fine.
ferrilu1  
#8 Posted : Friday, January 28, 2011 1:42:52 PM(UTC)
ferrilu1

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Do you need my address?
Brian Donegan  
#9 Posted : Friday, January 28, 2011 1:47:13 PM(UTC)
Brian Donegan

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Yes, send me a PM with your PayPal email address.
ferrilu1  
#10 Posted : Friday, January 28, 2011 1:56:59 PM(UTC)
ferrilu1

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Sent. Arrived?
Regards
ferrilu1  
#11 Posted : Saturday, January 29, 2011 9:00:14 AM(UTC)
ferrilu1

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I am amazed. Great customer support.
Thanks
Gianluca
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