[Elecraft] Using SDR Play with KX3 Ocsilator Noise?

[Wayne Burdick]

Turn on MENU:RX ISO on the KX3. This turns on a isolation amp to keep the LO frequency out of the antenna input.

73,
Wayne
N6KR


> On May 29, 2018, at 7:55 AM, Fred Nassar <fnassar62 at gmail.com> wrote:
> 
> I am using the KX3 with SDR play as a pan adapter. I have noticed that
> there is some type of signal (quite strong) showing up on the pan adapter
> on the frequency that the KX3 is tuned. This signal moves as I move the
> VFO, so it seems to be some local oscillator issue. The result is the sdr
> play seems to be desensitized and signal levels on the KX3 are lower. When
> I engage the RX pre-amp, this signal goes away and all is right with the
> world. On most bands 10 db is enough to do the trick. On 17 meters it takes
> 30 db to get rid of it and remove the desensitization from the RX. Wonder
> if anyone else has seen this working with an SDR play and KX3? I have the
> 2.9 firmware installed. Thanks...Fred, WD5F
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