[Elecraft] Rx-In/Out used for exteranl SDR Device

[Jim Brown]

On 12/5/2021 1:18 PM, Joe Subich, W4TV wrote:
> This only works 1) if the SDR impedance is consistently high from
> 100 KHz to 54 MHz and 2) the SDR has excess gain to compensate for
> the loading from the K3 receiver.
> 
> However without a splitter, there is no protection for the K3 receiver
> against spurious signals generated by the SDR!

YES! And that, along with the stub-aspect of the loop to an unterminated 
load, are the reasons for using one of the MiniCircuits hybrid 
splitters. Note, however, that they are passive devices, and like all 
passive devices, depend on all ins and outs be properly terminated to 
meet isolation specs.

73, Jim K9YC