RF COUPLER SCHEMATIC
Homebrew HF SWR/Power Meter - 285 TechConnect Radio Club
PDF fileDirectional Coupler RF IN RF X OUT Forward Coupler X Green = desired coupling Red = undesired coupling •Coupling factor represents the primary property of a directional coupler •To reduce 100 w to 100 mw => Coupling factor = -30 dB •Directivity is the measure of how well a coupler isolates two opposite-travelling (forward and reverse) signals
RF Combiners, Splitters, Couplers and Hybrids
Typical commercially available hybrid coupler RF coupler, splitter, combiner, hybrids - what they are. The terms RF combiners, splitters, couplers and hybrids refer to slightly different items. Each item is used in RF design and all are important to the RF designer. RF combiner: An
What is an RF Directional Coupler » Electronics Notes
Normally this may be more suited to carry high power levels and it may have larger RF connectors, if it is a unit with RF connectors. The other ports on the directional coupler are normally more suited for lower powers as they are only intended to carry a small proportion of the main line power.
Application Note: Directional Couplers - Mini-Circuits
PDF fileA schematic representation of the coupler is as follows; the arrows show signal flow: Key characteristics of a directional coupler include coupling coefficient, coupling flatness, main-line loss and directivity, defined on the next page. Mini-Circuits' full line of directional couplers, spanning 5 kHz to 2 GHz, provide excellent performance.
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