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gamma1 and BantamDAC chip size photos

post #1 of 17
12/14/08 at 11:29pm
Thread Starter 
in case anyone wants to see how 'hard' the soldering is on the 2 DACs, here is a chip compare photo. the bantam is fully assembled and the 3 chips on the right are going on the gamma1 that I'm now building.



(excuse the 'pink' background but anti-stat bags come in that color. doh!)

yes, that's the elusive pcm2707 in square form

I would agree with AMB that if you can build the bantam you should be able to handle the build of the AMB gamma1.

(my parts from digikey should be here this week, so then it gets to be buildin' time!)
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post #2 of 17
12/14/08 at 11:36pm
Your photos are always pleasing to look at. Clean work.
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post #3 of 17
12/15/08 at 12:06am
Thread Starter 
thank you
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post #4 of 17
12/15/08 at 12:07am
Quote:
I would agree with AMB that if you can build the bantam you should be able to handle the build of the AMB gamma1.
Is there some reason you would doubt that?


From the Headwize thread:

Quote:
The prototyping team (which has people of various skill levels) indicated that the build was relatively easy, and most got it working at first try. Several prototypers said that it was easier to build than Alien DAC.
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post #5 of 17
12/15/08 at 1:38am
The WM8501 is SOIC, right? Same pitch as bog standard SOIC-8 OPAMPs?
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post #6 of 17
12/15/08 at 1:45am
Yup, so is the CS8416.

For me the hardest part to solder was the RCA jack because it takes a bit of effort to get it lined up straight.
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post #7 of 17
12/15/08 at 2:06am
I built the USB lite version. The thing I found the hardest was the voltage regs since it was the first time soldering in a SOT23-5. After that it was fairly easy.
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post #8 of 17
12/15/08 at 3:30am
Thread Starter 
Quote:
Originally Posted by MisterX View Post
Is there some reason you would doubt that?
no need for 'confused face'. I was simply giving some visual information.

sorry if I offended you (insert confused face HERE!)
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post #9 of 17
12/15/08 at 4:07am
Quote:
no need for 'confused face'.
I disagree, I thought there was an absolute need to include that smiley.
I figured that smiley made the intent pretty clear but this quote ---->

Quote:
sorry if I offended you (insert confused face HERE!)
has me wondering, so lemme explain.

I do not understand why you felt a need to post this thread, especially when there are comparative build notes posted in the Headwize thread.
(that is all, stop reading more into it then there is)
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post #10 of 17
12/15/08 at 4:14am
I agree heartily.

Just flood and suck method. I'm beginning to think it's even easier to solder than soldering through holes.
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post #11 of 17
12/15/08 at 4:14am
Thread Starter 
perhaps I didn't see the headwize thread.

at any rate, NO OFFENSE INTENDED. I simply wanted to share info and have no desire to annoy people. SORRY!!!
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post #12 of 17
12/15/08 at 4:22am
Actually, I don't like flood and suck method. There is a high chance of too much solder which would collect under/behind the pins. IMHO the cleanest and best way is the way shown near the begining of the SMD soldering 101 video.

Anyway, regarding this thread, I think linuxworks was merely trying to say that γ1 isn't something to be afraid of... Not everyone here reads headwize regularly, so it's ok, even if it's duplicate info.
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post #13 of 17
12/15/08 at 4:46am
Quote:
I think linuxworks was merely trying to say that γ1 isn't something to be afraid of...

See how much easier that would have been?
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post #14 of 17
12/15/08 at 4:47am
i don't like flood and suck neither. i don't like the high heat transfer necessary for it to work properly. i prefer the drag and wipe method.
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post #15 of 17
12/15/08 at 5:00am
Yeah, flood and suck is all suck
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