What Does Directional Coupler Mean?
A directional coupler is an electronic component having four-port circuits with one port being isolated from the input port and another being considered as a through port. The device is normally used to split the input signal and distributed power. The device couples part of the transmission power by a specific factor through one port. Directional couplers are used in a wide range of applications which involve measurement, power monitoring and other utilities.
Techopedia Explains Directional Coupler
Directional couplers are categorized as passive reciprocal networks. A directional coupler is used for isolating, eliminating or combining signals in microwave signal routing and radio frequency. The ports in the directional coupler are:
