Quote:
Originally posted by miden:
I suspect you are hearing USB "bus" noise.

Only way to get rid of it is to use a ground lift somewhere in the circuit supplying either your PC, or Laptop (you didn't say which you were using)...

Dennis


Hi Dennis,

Could you please explain more. I use my PC.

Frans

[This message has been edited by FransN (edited 05-14-2010).]