As I have found, it may be necessary to set the LO to an offset value
from the TUNE frequency of the SDR Play receiver. I use HDSDR for my
software with the SDR Play. The feature is in the F7 Options menu,
look for Misc menu options of HDSDR. Also, it may be necessary to set
the DC Removal to a value in F7 Calibration menu. A bandwidth of 5 to 25
Hz seems to work OK.
73
Bob, K4TAX
On 5/29/2018 9:55 AM, Fred Nassar 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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