What advantage does a 3 port coupler have over a 4 port

A 3-port coupler offers better isolation, up to 30 dB, and reduced complexity, leading to lower manufacturing costs and simpler integration. Comparing 3-Port and 4-Port Couplers Physical Differences 3-port couplers, often referred to as directional couplers, and 4-port couplers, also known as hybrid couplers, distinguish themselves primarily through their configuration and the way they manage […]

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