ring quadrature coupler question

Thread Starter

yef smith

Joined Aug 2, 2020
1,446
Hello, there is an implementation of a coupler shown below,the problem is that i need ports 2 and 3 to be 90 degrees between each other.
but in the implementation bellow i have 180 degrees between ports 2 and 3 ,port 4 is isolation.

Is there a way to change the implementation below so between ports 2 and 3 i will have 90 degrees and port 4 is isolation?
Thanks.


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