Per-Tore,

I have not tried it, but from a look at the K3 Block Diagram, it would appear that you could connect the external receiver to the RX ANT OUT jack (requires the KXV3 option) and tell the K3 to use the RX ANT (that is a per band setting).

The K3 Low Pass Filters would be in the path between the antenna and that output, but it is behind the TR switch which should protect the external receiver during transmit. Muting the external receiver is not part of that connection - you are on your own to devise the means for muting that receiver during transmit.

73,
Don W3FPR

On 10/31/2014 4:48 PM, LA7NO wrote:
Hello,

My K3 has KPA3 and KAT3 installed, but not the KRX3

The K3 has a nice way of switching antennas when using both main and sub-rx.

I want to use an external rx (R&S EK 896). Is there a nice way to do this?
My main concern is of course to protect the external rx when transmitting
with the K3.

73es,

Per-Tore
LA7NO



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