What is the difference between directional coupler and magic tee
A directional coupler samples RF signals unidirectionally (e.g., -20dB coupling) with high isolation (>30dB), ideal for power monitoring. A magic tee (waveguide hybrid junction) splits signals into equal amplitude (±90° phase shift) across E- and H-arms, used in balanced mixers or antennas. Couplers handle 1–40GHz, while magic tees operate at microwave frequencies (e.g., 8–12GHz). Basic […]
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