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16th April 2009, 03:59 PM
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#53 | |
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diyAudio Member
Join Date: Jul 2002
Location: Toronto, Canada
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Quote:
Great, the boards will shipt today. Thanks.
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www.audiosector.com “Do something really well. See how much time it takes. It might be a product, a work of art, who knows? Then give it away cheaply, just because you feel that it should not cost so much, even if it took a lot of time and expensive materials to make it.” - JC |
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16th April 2009, 11:24 PM
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#54 |
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diyAudio Member
Join Date: Sep 2008
Location: Riverside, CA - USA
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Peter -
Do you have a BOM or parts recommendations for the Power Supply board shown in Posts 13 and 35 above??? It doesn't really look like the PS on the Pass website. Sorry if this is a dumb noobie question; but, that's what I am. Regards, Thanks,
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- Ray |
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17th April 2009, 01:29 AM
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#55 |
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diyAudio Member
Join Date: Jul 2002
Location: Toronto, Canada
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The actual PS schematic for amp aplication as in attachment. To be honest, I never work with BOM, as it usually creates problems
 When in doubt, follow the recommendations in F5 article. Digikey.com and mouser.com are good sources for parts in this case.
__________________
www.audiosector.com “Do something really well. See how much time it takes. It might be a product, a work of art, who knows? Then give it away cheaply, just because you feel that it should not cost so much, even if it took a lot of time and expensive materials to make it.” - JC |
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17th April 2009, 03:32 AM
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#56 |
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diyAudio Member
Join Date: Sep 2008
Location: Riverside, CA - USA
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Peter -
The PS I'm referring to (in Post 13 - and attached) shows film caps, small electrolytic and some kind of regulator. Do you have a schematic for that one?? Or, can you tell me where to find one??? Thanks,
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- Ray |
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17th April 2009, 04:37 AM
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#57 |
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diyAudio Member
Join Date: May 2003
Location: San Diego, USA
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looks like a regulated PS
Looks like a regulated power supply.
Look at the LM317 data sheet or in this case the LT 1086 data sheet, page 14, top right hand side. Neat little circuit, use them a lot; but I like to use the protection diodes you will see on the top of page 10 of the 317 data sheet. Not sure about using huge output caps either.
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My DIY audio projects- PartTimeProjects.com. |
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17th April 2009, 05:38 AM
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#58 |
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diyAudio Member
Join Date: Jul 2002
Location: Toronto, Canada
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Any 3-pin regulator will work with those boards and you just need to follow the appropriate datasheet applications.
__________________
www.audiosector.com “Do something really well. See how much time it takes. It might be a product, a work of art, who knows? Then give it away cheaply, just because you feel that it should not cost so much, even if it took a lot of time and expensive materials to make it.” - JC |
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17th April 2009, 07:38 AM
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#59 | |
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diyAudio Member
Join Date: Mar 2008
Location: Altadena, CA
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Re: looks like a regulated PS
Quote:
peter |
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17th April 2009, 03:05 PM
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#60 |
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diyAudio Member
Join Date: May 2003
Location: San Diego, USA
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ah
ah...yes. The biggest ones I have seen are the LM138 and LM338 which will give you 5 amps max.
I do not believe that this board is intended to power the F5. You rarely see these used in power amps for the reasons you have noticed- lack of current capability... maybe only in a gainclone or something like that. There are other boards for the F5 power supply I believe.
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