SV: [Elecraft] KIO2 noise problem

Sat Dec 20 19:11:00 2003

Hi,
I think the talk of just connecting one end of a shield
was a myth and dead by now ?
I think shields shall be connected at all ends all the time
and one shall try to keep the two ends gnd potential
so close to each other that the shield does not have to curry
gnd current due to the difference in chassis potential ?
73
Rolf sm0cls
-----Ursprungligt meddelande-----
Fr�n: [email protected]
[mailto:[email protected]]F�r Don Wilhelm
Skickat: den 21 december 2003 00:55
Till: Scott T Emery; [email protected]
�mne: Re: [Elecraft] KIO2 noise problem

Scott,

The only thing I can think of is either a very noisy computer or that the
cable shield is connected at both ends (that is likely to produce ground
loops and those do create noise).  Check your cable again to be certain the
shield is connected only at the K2 end - no connection to the shield at the
PC end).

73,
Don W3FPR

----- Original Message -----
>
> I have a KIO2 in my K2.   When I attach the serial cable I built
> to the K2, I get a lot of noise in the receiver.  I don't like the amount
> of noise and therefore never use the KIO2.  Suggestions for measuring the
> noise level (S meter is too widely varying) appreciated.
>
> Assuming that the noise level is unusual, I will proceed. My serial
> cable is the maximum length and has no noise supression on it. It is built
> correctly according to the manual.
> I have ...snip...

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