[Amps] bi-directional coupler question

[Bob Nielsen]

On Nov 18, 2005, at 6:23 PM, Dan Sawyer wrote:

> Thank you. The coupler I have is too high frequency for my current
> needs. I am interested in a 1 to 100 MHz bi-directional coupler.  
> However
> bi-directional couplers are much less common then uni-directional  
> ones.
> There appear to be uni-directional couplers in the HF and VHF range
> available.
>
> Are couplers 'reversible, that is can the output be applied to the
> input? The purpose if this would be to make a bi-directional coupler
> from 2 uni-directional couplers.  Is this practical?

Yes.