Mike,

I had the same issue, and when I first attempted it I clamped it
straight ono the cable and still had noise "BUGGER!!". This is when I
read some where to coil the cable to form 3 loops / turns about 3-4
fingers wide and I clamped two ferrite cores from RS.

That did the trick and the noise is 100% gone.

Hope that helps.

Regards
Mark


Mike Chambers wrote:
Thanks. That didnt seem to help any.

mike

On Thu, 04 Jan 2007 10:47:45 +0100, Charly wrote:

Hello, you can also get some noise-reduction ferrite core, such as this :

http://www.shinemicro.com/images/ferritethumb.jpg

Perhaps you have some already clamped on some device's wire (digital
camera, AC/DC tranformer, modem, etc...).

If you can un-clamp one a clamp it on your laptop power wire OR audio
line wire, just check if it helps...

I did that on my AC/DC adapter of my SW radio, and it helps reducing (a
little) incomming RFI.

Charly