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Why Use a Hybrid Coupler? Understanding Its Role in RF Systems
May , 14 2025
In RF and microwave systems, signal routing, splitting, and combining require high-precision components that minimize losses and distortion. One such essential component is the hybrid coupler. But why use a hybrid coupler instead of standard power dividers or directional couplers? This article explores the purpose, benefits, and applications of hybrid couplers—especially in systems where signal ph...
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What Does a Mismatched Coupled Port Actually Affect in a Directional Coupler?
Jul , 23 2025
Directional couplers are widely used in RF systems for signal sampling, power monitoring, VSWR detection, and PIM testing. While these components are passive by nature, their performance is highly dependent on how each port is terminated—especially the coupled port. In real-world applications, improper termination of the coupled port—either by leaving it open, using poorly matched devices, or low-...
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