[Boatanchors] Johnson directional coupler

[Al Klase]

Hi Brian,

 From memory:  Black is common, red is forward power, and white is 
reflected power.  Both are DC outputs from germanium diodes rectifying 
the sampled signals.

Regards,
Al

Brian A Clarke wrote:
> Hi folks,
> What are the connections to the Johnson 259 - 37 coupler?
> Mine has the usual SO-239 sockets at each end, a white 
> 4 mm socket at one end and a black and a red 4 mm 
> sockets at the other.
> 73 de Brian, VK2GCE.
> _______________________________________________
>
>
>   

-- 
Al Klase - N3FRQ 
Flemington, NJ 
http://www.skywaves.ar88.net/