2022-09-10 17:24 Status: # hybrid couplers A four-directional coupler for equal (3dB) power split. [^1] ## 180 degree variants [rat-race couplers](rat-race%20coupler.md) and magic tees. ## 90 degree hybrid couplers aka Quadrature Couplers Include: - [Lange Couplers](Lange%20Couplers.md) - [branchline couplers](branchline%20coupler.md) --- # References [^1]: [A review of hybrid couplers State-of-the-art, applications,design issues and challenges](../../Spaces/Career/Companies/Millibeam/notes/A%20review%20of%20hybrid%20couplers%20State-of-the-art,%20applications,design%20issues%20and%20challenges.md)