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Old 28th March 2004, 06:15 PM   #1
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Default Volume control + Single Ended -> Differential Amp

This is the first circuit i've drawn a schematic for... and really the first one i designed, but i took the Se to Diff Amp from another thread in this forum, just put it into mine, so thanks to whomever posted it w/ the original OPA134

The reason i'm using TL08's is because its all i could get to (Radioshack )... eventually i'll pop in some OPA134's (audio quality?)

I just would like some feedback, and if this circuit would work and do what i want?...

Thanks much

[edit:

grr let me put it on my webserver, i'll post the link in a few, its too big to attach ]
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Old 28th March 2004, 07:08 PM   #2
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Or not... server has been down the last coupled days, didnt know why, went over to it, not running, no power glitches in the last week or anything

so i decide to take it apart (the server), all looks norm, i close it back up plug it back in and hit the swtich on the PSU and *sparks and fire*, i start swearing... of course, what a way to *** a guy off >:O so i took it apart, and of coruse, everythign is fried... hardcore... ferrite ring is fried, wires are melted together, caps came unsoldered inside and are just laying on the board.. >:O


we'll see if i can come up with a solution to this **** thing >:O [then i'll give my schematic]


[edit: put *'s in for the mods, sorry]
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Old 6th April 2004, 12:50 AM   #3
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okay ... server will be up thursday, for now know and criticism, here it is!


tia,


brad
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File Type: jpg se vol + se to diff. amp stage v1.1.jpg (16.9 KB, 212 views)
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