From cjrivory@optonline.net Wed Mar 09 15:54:19 2011
Subject:Re: VB3 Newbie to VSTs ??

The LPS was how I solved the problem with my first laptop and the switching noise. The whole thing was built into a road case. Probably would have been fine but the laptop i.e. XP was not reliable and
this setup did not make it easy to fix problems on the fly. The netbook is the best solution yet. Lightweight, cheap, built in KB\monitor and will velcro to the keyboard. The downside of course is that
it is not built to be knocked about.

From: rrockkey
Sent: Wednesday, March 09, 2011 6:10 PM
To: CloneWheel@yahoogroups.com
Subject: [CWSG] Re: VB3 Newbie to VSTs ??


First, just so I understand correctly, it sounds like all is fine with the laptop on batteries so the problem is with the external power-supply/adapter, right?

Dave blames the fact that it's a switching supply. Sounds logical.

This may be a little un-conventional but to avoid all that "off-line" battery charging, do you all think using an old fashioned linear power-supply (probably have to DIY it) would solve the problem? Or might better decoupling, isolation or grounding do it. IDK but seems there should be a solution other than having to use batteries.

Just a few ideas, I don't have the computer instruments going yet but that's the way I'm headed.

Cheers,
Rock

--- In mailto:CloneWheel%40yahoogroups.com, Dave Bradley wrote:
>
> Many laptops seem to have this problem. There is so much circuitry crammed
> so close together inside a laptop, that the noise being generated by that
> high frequency switching supply gets into everything.
>
> Dave Bradley
>
> On Tue, Mar 8, 2011 at 8:06 PM, cjrivory wrote: