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 ?
When the critical coupling maximum is exceeded, the network internally superheats and circulates, destroying the bonded refractory structure and rapidly eroding the lining.

Full browser ?