Famous Branch Line Coupler Design References

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Branch Line Coupler Design. It consists of 4 ports: Notice the impedance and length of each line.

Branchline Coupler David S. Ricketts
Branchline Coupler David S. Ricketts from rickettslab.org

Branch line coupler or hybrid couplers are basically 3db at microwave frequency the logical variables used directional couplers in which the phase of the are travelling waves with. Type published article journal sensors publisher mdpi ag publication. How to design branch line coupler as seen in figures blow branch line coupler has four ports.

Branchline Coupler David S. Ricketts

It consists of 4 ports: The remainder of the power is passed through to the output port. The power divided at the output should be 900 in phase. The fourth port (p4) is terminated at 50 ohms for the signal splitter and is isolated from the input.