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Post pics of your builds.... - Page 262

post #3916 of 9594
Quote:
Originally Posted by linuxworks View Post
thanks. yes, they are vishays from digikey. they're pretty, huh?


that was a previous build and I used almost entirely just that R series. had to go with a 'vishay equiv' for the 1M since that's not in the shiny-dark-blue series, it seems ;(

I think they were not too cheap - over a quarter each. for a resistor, that seems obscene to me, but I don't use *that* many of them.
Do you remember what series they are (PN, Mouser PN)?

Thanks
post #3917 of 9594
Quote:
Originally Posted by linuxworks View Post
thanks. yes, they are vishays from digikey. they're pretty, huh?


that was a previous build and I used almost entirely just that R series. had to go with a 'vishay equiv' for the 1M since that's not in the shiny-dark-blue series, it seems ;(

I think they were not too cheap - over a quarter each. for a resistor, that seems obscene to me, but I don't use *that* many of them.
Do you remember what series they are (PN, Mouser PN)? The CMFs that I bought were all 1%, such as 71-CMF5510K000FHEK.

Thanks
post #3918 of 9594
Quote:
Originally Posted by Pars View Post
Do you remember what series they are (PN, Mouser PN)?

Thanks
I think I simply followed tangent's part #'s literally on digikey. on my first build I didn't know what parts to order so I took his list very literally

and the blues are what I got. oh wait - well - you know what I mean


here's a link to one of them:

http://search.digikey.com/scripts/Dk...MF3.32KQFCT-ND

CMF3.32KQFCT-ND
post #3919 of 9594
I'm pretty sure I've used some blue Vishay/Dale CMFs like that that were 0.1%.
post #3920 of 9594
Quote:
Originally Posted by -=Germania=- View Post
Pabbi,

What case is that?

I have been looking for really nice cases and a good transformer cover. Ideally all aluminum with good lines. Right now I am looking at using AL-420S from V4TC. If there are cheaper options that are just as nice, that would be awesome!
The tranny cover is from vt4c - about 2x too tall, but I'll chop it down eventually. The case is navy surplus, and I got two for $40 shipped off eBay. Just a once in a year find.
post #3921 of 9594
Quote:
Originally Posted by Pars View Post
Do you remember what series they are (PN, Mouser PN)?

Thanks
The blue ones are CMF50

Digi-Key - CMF10.0QFCT-ND (Vishay/Dale - CMF5010R000FHEB)

or that is at least how I got them.
post #3922 of 9594

It's Alive ! ! !

Finally home made buffers and stupid mistakes aside it works and don't they sound good!!
The blue led's a little aggressive but I really know its on
LL
LL
LL
LL
post #3923 of 9594
Are you going to case it?
post #3924 of 9594
Quote:
Originally Posted by Fred_fred2004 View Post
Finally home made buffers and stupid mistakes aside it works and don't they sound good!!
The blue led's a little aggressive but I really know its on
I can't quite tell - what chips are you using for buffers? those are home etched adapters?

looks good.
post #3925 of 9594
using OPA633's on home etched adapters, I had to make a right hand and left hand version because of the layout. They sound great and run cool.
post #3926 of 9594
Quote:
Originally Posted by Fred_fred2004 View Post
using OPA633's on home etched adapters, I had to make a right hand and left hand version because of the layout. They sound great and run cool.
Pics?
post #3927 of 9594
Attachment 11511Here are the boards sorry about the quality I use PCB Artist but you get the idea, because they are home etched single sided and very small I soldered the pins first from the top then put on the chip and sort of surface soldered it from the top.
On the OPA 633 pin 6 needs to be tied to ground or (-), pins 2, 3 & 7 are not connected and on the BUF634 Pins 5 & 8 are also not used so I was able to use those positions to help with the routing.

Anyway bottom line they work a treat.

If you want to use the design to become a multi-millionaire feel free
LL
LL
LL
LL
post #3928 of 9594
Quote:
Originally Posted by Fred_fred2004 View Post
If you want to use the design to become a multi-millionaire feel free
I'd be happy to be a thousand-aire
post #3929 of 9594
Quote:
Originally Posted by Fred_fred2004 View Post
using OPA633's on home etched adapters, I had to make a right hand and left hand version because of the layout. They sound great and run cool.
hmmm, I'd be careful - left-hand and right-hand things tend to cancel, no?

post #3930 of 9594
Sorry wrong picture now corrected
cheers
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