critical coupling

critical coupling

[′krid·ə·kəl ′kəp·liŋ]
(electricity)
The degree of coupling that provides maximum transfer of signal energy from one radio-frequency resonant circuit to another when both are tuned to the same frequency. Also known as optimum coupling.
References in periodicals archive ?
Another remedy is to adjust the input frequency at the distance closer than the critical coupling point where the transmit and receive coils are over-coupled and frequency splitting is occurred [11].
When the critical coupling maximum is exceeded, the network internally superheats and circulates, destroying the bonded refractory structure and rapidly eroding the lining.
This point is called critical coupling point and represents the farthest distance at which maximum power transfer efficiency is still achievable.

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