It appears that the kx3 does not have dynamic image rejection, rather a one
time calibration for image rejection. Has there been any talk of the KX3
implementing dynamic image rejection? Perhaps a future SW revision where the
image rejection goes to 90 dB. The Flex products implemented dynamic
The Sherwood test of the KX3 says this in the notes for the superscript V
At 1 kHz performance is opposite sideband rejection limited. On CW consider
switching to 8-kHz IF. Note: Roofing filter disabled in this mode.
I do not see anything in the manual about the 8 Khz IF mode.
It is my
So if you are running an panadapter and turn on RX shift then what happens to
the panadapter display? Are the frequencies shifted on the display by 8 KHz?
The Sherwood data would indicate to me that using the 8 KHz shift is a good
thing to do all the time if you do not have the roofing filter and
wiil the KX3 receive at ~8.5 MHz or ~12 MHz without diminished sensitivity?
If the sensitivity is diminished, by how much?
tks
Dennis
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I am not talking about the need to desense because of an IF frequency but
that the front end ham band filters may still be active when doing SWL. It
is my understanding that the K2 can receive SWL but its front end filters
are ham band only so if you are between any ham bands the sensitivity
the kx3 manual describes these front end filters as follows
The relay-switched low pass filters are used during both transmit and
receive. A few of the filters are dedicated to one band but most cover two
bands. The signal on the antenna side of the filters pass through a
forward/reflected power
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