[sdiy] Newbie Power Supply question

[Larry]

Check out C&H Sales: www.candhsales.com

I got a very nice, 3 output linear supply from them (a little heavy on the 
+5v, but oh well).  Here is the web address for the supply I got, they have 
a number of others that might also work.

http://www.aaaim.com/cgi-local/shop991/shop.pl/SID=192181595171/page=POWS.htm#PS9603

Larry Troth

At 11:13 PM 10/13/01 -0400, Rhen, Kris wrote:

>Ok, please bear with me :-)  I've got a Doepfer 6U rack with one Doep 
>power supply in it (650mA) - it isn't powerful enough to supply all the 
>modules in the frame (just got an AS RS360 trifilter and after blowing a 
>fuse, they tell me it itself sucks 270mA).  So I need to add another power 
>supply.  En-port has the doepfer ones listed on their site but suggest 
>it'd be cheaper to get one from Radioshack or online etc.  So I'm looking 
>at them in the RadShak website and others.  I have a couple of questions:
>
>1) What's the diff between regulated and unregulated?  Are the doepfer/AS 
>modules indifferent to this or expecting one or the other type?
>
>2) I see power supplies listed as 12v/xxxAmps, but the modules need 
>+/-12v, and in a few cases +5v as well (I have the little Doep 
>adapter).  Do supplies normally put out the -12v as well as the 
>+12v?  Radioshack doesn't say much about their units.  If not (as in, they 
>only do 0-12v) what's the best way to get the -12v?
>
>3) If someone could link me to a suitable supply (1A perhaps) somewhere 
>inexpensive on the web I'd be greatly appreciative!
>
>Thanks all
>KRIS
>
>
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