[Elecraft] The audio filter

[Jessie Oberreuter]

On Sun, 27 Feb 2005, Bill Coleman wrote:

> On Feb 26, 2005, at 10:55 PM, WA2JJH at aol.com wrote:
>> It might be impossible to do even if I mod it. I simply want to lower 
>> the noise floor. The noise floor is low. However I wanted to try to get 
>> it to sound like a TR-7's noise floor.

> Looking at the reviews in QST - the noise floor on the TR-7 was measured 
> at -133 dBm on both 80m and 20m. The noise floor on the K2 was measured 
> at -137 dBm on 80m, and -138 dBm on 20m. So, you're saying you want to 
> WORSEN the noise floor by 4-5 dB?


      Heh, take the IF gain down a bit -- should do the trick :).