need papers about details design of hybrid coupler

Hi,
Take a look on:
http://www.odyseus.nildram.co.uk/RFM...%20Shifter.pdf

you can find the application of the hybrid in a phase shifter in this article
enjoy reading

Hi v4eda,

do u have some material about broadband hybrid coupler?

Let ′s say 6-18 GHz...

Thanks in advance.

Lupin