AW: Power Supplies?

[BJ]

Haible Juergen wrote:
> 
>         >> I remember someone saying that 78xx/79xx PSUs introduced too
> much
>         >> noise/drift into the supply rails for serious use; is this
> true?
>         >
>         >No, its not.
> 
> Sorry, but they *are* very noisy.
> Wonder how you come to a different conclusion ...
> Have you ever tried it?
> 
> For serious applications, use the 723
> (or the RC4195 if you want a dead simple +/-15V supply).
> 
> JH.

Yes I have tried it!
If you can use a 7915/7815 in a Sequential Pro1 and
that works fine isn't that a seriuos use?

If you use a 7915/7815 as the main powersupply for
a modular system there are indeed much more better solutions.
LM317/337,723  and others....

BJ