[XCSSA] Power Supplies Continued

[X-otic Computer Systems of San Antonio]

Tim,

What about something like this,
http://www.mouser.com/Search/Refine.aspx?Keyword=546-187E10
The secondary is 10VAC with a Center Tap.
That should give you 10 and 5 VAC...

/Fredrik

X-otic Computer Systems of San Antonio wrote:
> If I could find a clean one, that might work. Trouble is, most  
> switched power supplies are quite noisy for analog audio applications.  
> The SIDs are analog devices and so require very clean power. To be  
> fair, I've used some nasty DC power supplies and things worked out -  
> the smoothing capacitors did their job, but I think converting AC to  
> DC oneself tends to be the better route to go. That way you know how  
> it's made, etc.
>
> That's one reason I'm trying to avoid using multiple voltage  
> regulators in fact. Supposedly, chaining regulators adds noise as  
> well, so if I can use a single regulator for each output that might  
> result in a nicely quiet solution. I think I may end up going with two  
> transformers ultimately. Finding a multi-tap that can output something  
> close to 5 and 9VAC seems to be somewhat difficult.
>
> Decisions decisions! :)
>
>
> On Dec 27, 2008, at 5:41 PM, X-otic Computer Systems of San Antonio  
> wrote:
>
>   
>> Perhaps you might consider using two modular DC switching supplies
>> (5V/1A & 9V/300mA) that have regulators and over-voltage protection
>> built-in?
>>
>> You could mount the two supplies in a hobbist handy box, and add
>> an on/off switch and input fuse for the 120VAC line.
>>
>> Lou
>>
>>
>>
>>
>>
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