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-   -   Datasheet psu, 0.1v to 50v @1a... (http://www.diyaudio.com/forums/power-supplies/78144-datasheet-psu-0-1v-50v-1a.html)

 redrabbit 21st April 2006 11:13 AM

Datasheet psu, 0.1v to 50v @1a...

HERE :magnify: :
(page 12, Figure 14)
http://www.intersil.com/data/fn/fn817.pdf

...My question is, what would come between this regulator circuit, and the power transformer.......bridge and smoothing caps??

...And what :magnet: transformer say you?

=RR=

 peranders 21st April 2006 12:01 PM

You'll need 35-40 VAC, 70-100 VA, 2200-4700 uF in smoothing.

I friend of mine built this PS long time ago and it worked pretty well.

 redrabbit 22nd April 2006 02:36 AM

Thanks peranders.

...btw, how could this be turned into a dual polarity supply?
...or is that a drasticly different circuit altogether ?

=RR=

 peranders 22nd April 2006 06:03 AM

You can built two identical PS and then connect them in series. This will give you a dual suuply.

 redrabbit 22nd April 2006 08:58 AM

I'm sorry, I meant a bipolar psu....."plus, minus ( and ground, 0v)" volts output.

=RR=

 peranders 22nd April 2006 09:14 PM

I ment that too. :)

 redrabbit 26th April 2006 01:32 AM

OK, so using a center tapped tranny....
positive is one psu,
negative is another,
....and 0v (ground) is shared with both.

Correct?? ( :xfingers: )

=RR=

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