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The SkeletonDAC - Page 4

post #46 of 222

OK, I'm in.  Anyone have a mouser alternate for the (optional) X1 spacer/insulator pn 520-700-9001?

 

BK

 

 

post #47 of 222
Quote:
Originally Posted by BK_856er View Post

OK, I'm in.  Anyone have a mouser alternate for the (optional) X1 spacer/insulator pn 520-700-9001?

 

BK

 

 


I've never used that spacer for any DAC I've built that used the crystal.  That goes all the way back to AlienDACs.  It never caused a problem.
 

 

post #48 of 222
Thread Starter 

I can include a spacer with the board.

post #49 of 222

 

Quote:
Originally Posted by cobaltmute View Post

I can include a spacer with the board.


Thanks!  Anything that adds even a tiny amount of robustness/ruggedness will be potentially beneficial for this particular build.

 

BK

 

post #50 of 222
Thread Starter 

I still have three boards available...

post #51 of 222

I'll take one, maybe I will have better luck with it then the PUP1. also I have a friend who I would like to give one (He's using the headphone out from his computer, silly guy)

 

If thats cool, you should have my Paypal still :)

post #52 of 222

I don't think I've seen this anywhere, but what's the difference between the PCM2704 and 2705?

post #53 of 222

PCM2705 has an SPI interface.
 

Quote:
Originally Posted by Armaegis View Post

I don't think I've seen this anywhere, but what's the difference between the PCM2704 and 2705?



 

post #54 of 222

I'm starting to get into DIY stuff.  I've just finished building the crack otl and I have the parts for a gamma 1 on order.  If you have any extra boards I'd be more than happy to build this.

post #55 of 222
Thread Starter 

@cipe:  PM me your address (formatted so I can print and stick it on an envelope) and your Paypal address and I'll get it out to you in a day or two.

 

@forsakenrider:  I'll get yours out in a day or so as well.

post #56 of 222

I got my board yesterday and noticed that the pad for the 2704 seems a bit narrow.  Will the production boards have a wider area here.  It makes it really hard to get that chip in place.  I'm going to try again tonight Just had to leave it alone last night before I made a big mess of it.

post #57 of 222
Thread Starter 

Yes the production boards will have longer pads for the PCM2704.

post #58 of 222

I had a bit of trouble with the shorter pads, too.  The good thing is that it's a lot harder to make bridges.  However, I had the trouble of not enough contact - not too much (bridges).  The "drag and wipe" method as described on the BantamDAC website helps a lot.  I repeated that technique a couple of times until the chip was recognized by the PC.  It was fairly straightforward, actually.  It made all the difference and was easy to do - no solder, just some extra motions with the soldering iron.

 

http://www.diyforums.org/BantamDAC/BantamDACsolder.php

post #59 of 222

I need some boards

post #60 of 222

I go the chip soldered tonight.  It went on the first time tonight with no bridges that I can see.  I used a trick I saw on curiousinventor.com.  They have some really good tutorials for smd stuff over there. 

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