A directional coupler is a passive device used in radio
technology. The purpose of a directional coupler is to couple
electromagnetic power to be used in another circuit.
A directional coupler is a passive device used in radio
technology. The purpose of a directional coupler is to couple
electromagnetic power to be used in another circuit.
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the sim
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Changan Sun has written:
'Vibration analysis of an optical fiber coupler'
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unidirectional wave length
unidirectional power measurement
reflectometer
balanced duplexer
swr measurement
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They must be powered to boost the signal. If they are not
powered they are "passive" and will consume some of the signal.