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Combiner vs Duplexer: Not the Same Thing — A Complete Engineering Guide
Jul , 28 2026
Combiner and duplexer are not the same thing. A combiner is a device that merges two or more RF signals into a single output path, with all signals flowing in the same direction — primarily used for power combining on the transmit side. A duplexer is a three‑port device that isolates transmit and receive signals, allowing them to share a single antenna, with the two signal paths flowing in opposit...
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RF Isolator vs Circulator – What's the Real Difference?
Aug , 04 2026
Engineering deep dive · Ports, functions, specs, and selection traps RF Isolator and Circulator are two of the most misunderstood passive components in microwave engineering. The core difference comes down to ports and function. An Isolator is essentially a three‑port Circulator with its third port terminated into a matched load. A Circulator is a non‑reciprocal signal router — it directs signals ...
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Feeder, Cable, Jumper: Three Commonly Confused Concepts in RF Engineering
Sep , 22 2026
These three concepts do not sit on the same logical plane. Cable is a material‑level generic term — any coaxial cable that carries RF signals, whether semi‑rigid, semi‑flexible, or braided, is called a cable. Feeder and jumper are functional‑level classifications — both are specific application forms of cable, distinguished by the role they play in the system. In one sentence: a feeder is the high...
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