[Elecraft] OT - sound cards

Al Lorona alorona at sbcglobal.net
Mon Jan 9 15:34:44 EST 2012


No, I'm afraid that what I'm talking about is the crosstalk between power supply 
noise and audio circuits is occurring inside the computer, not between the 
computer and rig. It's a hardware design flaw that no amount of bonding is going 
to cure. The noise I'm talking about is there if you use the built-in mic on the 
laptop. Believe me, I tried all according to the K9YC bible which has been an 
invaluable aid over the years.

Al  W6LX



________________________________
> This is one of many problems
> that can be solved by proper bonding
> from computer chassis to rig chassis, 
> as described in my tutorial, referenced
> in the previous email.

73, Jim K9YC


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