[sdiy] switched mode PSU design

[Peter Grenader]

just a heads up:

I've got a Buchla 259 here (analog)for repair  that's in a homebrew box
which is powered by a single mutli-tap switcher (not a wallwart).  It's
noisy as hell.  Replaced power with a linear - noise be gone.

- P



Paul Perry wrote:

> The good news is that some switchmode supplies run from
> 85 to 260 V AC input, so you don't  have to worry about
> where you are in the world (just have a simple plug adaptor).
> 
> The bad news is, I had a wart style switch mode adaptor burn out in a
> fairly spectacular fashion (lighting induced surge?) while all
> my ordinary adaptors sailed thru perfectly OK.
> Mind you, it wasn't from Jameco..
> 
> best, paul perry Melbourne Australia
> 
> ----- Original Message -----
> From: "John Blacet"
>> Jameco just came out with a line of nice looking regulated plug in
>> switchers.
>> 
>