I'm using a feed off the KXV3A's Rx in and Rx out ports, as you say, to feed
a shortwave receiver. It's very simple with no splitter, just a BNC Tee
connector. 

The K3 needs to be switched to a band which is higher than the external
receiver for it to work as RF is routed through the K3's output filters.
Also the K3 needs to enable the Rx ant. The shortwave receiver should be
protected from the K3's transmitter with this scheme, at least my receiver
has not suffered any damage.


Don Wilhelm-4 wrote
> If you want to share the antenna, then the splitter is a solution - what 
> about protection for your SDR receiver when the K3 is transmitting?
> 
> On 8/24/2015 2:18 PM, Russ wrote:
>> I would like to split my K3's Rx feed to also feed my new SDRPlay SDR.
>> One way is to put a splitter (I'd use a mini-circuits ZFSC-2-1W+ or
>> similar) between the KXV3A's Rx In and Rx out ports and suffer the 3 dB
>> loss (which should be insignificant since my ambient noise is far above
>> the K3's Rx noise floor.





-----
Sverre, LA3ZA

K2 #2198, K3 #3391,
LA3ZA Blog: http://la3za.blogspot.com,
LA3ZA Unofficial Guide to K2 modifications: 
http://la3za.blogspot.com/p/la3za-unofficial-guide-to-elecraft-k2.html
--
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