Many thanks to all who answered!!
I was wondering if there was any sort of filtering on that jack pair...
Sorry to see that...
I have a minicircuits three way, and will be adding that, alas, the
filtering will be something to work around... THANKS for the info Don!!!!
73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technical Specialist
ARRL Asst. Director, NW Division, Technical Resources
On 11/18/19 8:26 AM, Don Wilhelm wrote:
Dave,
There in a block diagram in the back of the K3 manual.
The RX ANT OUT is what you are looking for - but remember that it has
the Low Pass Filter in the path, so the response at frequencies higher
than the band the K3 is tuned to will be attenuated.
If you need a direct antenna connection, you will have to use a splitter
on the antenna and some means of protecting the SDR during K3 transmit.
Alternately, use a separate RX antenna on the SDR (you may still need
protection for the SDR unless the TX antenna is located far enough from
the RX antenna.
73,
Don W3FPR
On 11/18/2019 11:06 AM, Dave Cole wrote:
A few years ago someone posted a method of using a splitter, and the
External Antenna jacks to feed an external SDR with the direct
antenna, not a IF, but a wideband signal from the primary antenna...
I think it was something along the lines of add a splitter, between
the RX Antenna in/out, and then picking off the antenna feed to the
SDR from an output of the splitter... Does this make sense?
Is there a high level block diagram showing the antenna pathing for a
K3, with the ATU installed, and how the front panel switch labeled RX
ANT controls the signal path?
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