[Elecraft] Question About the CP-1 Coupler

[Larry Phipps]

If the scope is Hi-Z, DO NOT terminate the coupler internally. Instead, 
use a BNC Tee and terminate at the scope input with a 50 ohm 
termination. Otherwise, the feedline to the scope will provide a 
reactive load to the coupler port.

Larry N8LP


Paul T. Rubin wrote:
> Hi All:
>
>  
>
> I am not sure I understand the procedure for terminating the sampling ports.
> If a port is unused it says to terminate it into the internal 50 ohm load to
> maintain balance. This makes sense. But if I connect a port (or ports)
> through a short piece of 50 ohm coax to a scope which has a high impedance
> input, is this port properly terminated?
>
>  
>
> Thanks,
>
> Paul N8NOV
>
> Houston
>
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