Re: : K3 receiver noise - my test results (long)

Posted by Don Wilhelm-4 on Dec 20, 2009; 8:34pm
URL: http://elecraft.85.s1.nabble.com/Re-K3-receiver-noise-questionable-test-results-tp4192141p4195885.html

Knut,

No you are not the only one, but there are remedies.  See Jack Smith's
information at
http://www.cliftonlaboratories.com/elecraft_k3_receive_audio.htm.
Then install the resistors as indicated in the Elecraft K3 AF Stage
Upgrade Instructions.

73,
Don W3FPR

ab2tc wrote:

> Hi again,
>
> Sorry, that link will only work from inside my LAN. Here is a correction:
>
> http://ab2tc.getmyip.com:82/pictures/k3_line_out_50uv_lev016.png
>
> Knut - AB2TC
>
>
> ab2tc wrote:
>  
>> Hi,
>>
>> Is it just me that have two fairly strong audio spurs at 3.9 and 7.8kHz?
>> By "strong" I mean about 70dB <snipP>
>>    
>

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