[RFI] Sound Card

Joe nss at mwt.net
Wed Sep 16 09:32:34 EDT 2020


Details Please on this isolator?

Joe WB9SBD
Sig
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Idle Tyme
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On 9/15/2020 8:54 PM, qrv at kd4e.com wrote:
> A USB isolator is cheap online.
>
>
> On 9/15/20 7:45 PM, Joe wrote:
>> For my playing of wav files for contesting I am going to dedicate a 
>> nice small USB type sound card ya know looks like a thumb drive?
>>
>> Now in thinking of RF issues of RF getting into it. Where would be 
>> the best placement of it to lessen the possibilities of RF getting 
>> into it?
>>
>> Having it right at the computer, and run the AUDIO cable long enough 
>> to reach the radio.
>>
>> OR
>>
>> Have it right at the radio, and run a USB extension cord to the 
>> computer.
>>
>> What is less prone to have RF Issues?
>>
>> Joe WB9SBD
>>
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