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Signal on airplane
Apr , 19 2025
The radio on the airplane is generated by radio signals transmitted through radio transmitters (beacon stations). These signals assist the aircraft in navigation and communication. The Application of Radio in Aircraft Aviation radio communication: including satellite communication, very high frequency ground to air communication, etc., providing various voice communication, radar signal connection...
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What is a Directional Coupler?
Apr , 24 2025
In RF and microwave systems, a directional coupler is an essential passive component that enables signal sampling, monitoring, and routing without disturbing the main transmission line. This article explains what a directional coupler is, how it works, and why it's a critical element in modern wireless communication systems. What is a Directional Coupler? A directional coupler is a four-port RF de...
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5G-Advanced Accelerates New Requirements for In-building RF Infrastructure
Apr , 28 2025
As 5G-Advanced (5G-A) technology emerges, it brings higher speeds, lower latency, and smarter network capabilities, reshaping expectations for in-building wireless systems. Modern facilities—such as offices, airports, and hospitals—now require more advanced Distributed Antenna Systems (DAS) capable of supporting higher frequency bands and broader bandwidths. Traditional infrastructure must evolve....
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Which Is Better: Directional Coupler or Tapper?
May , 08 2025
In RF and microwave systems, power distribution is a critical aspect that directly impacts system performance, reliability, and design flexibility. Two of the most commonly used passive components for signal splitting and power monitoring are directional couplers and tappers. While they serve similar purposes in many systems, they differ significantly in structure, application, and performance. Un...
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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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