Question

what is a circulator​

Answer 1

Answer:

A circulator is a passive, non-reciprocal three- or four-port device that only allows a microwave or radio-frequency signal to exit through the port directly after the one it entered. Optical circulators

Explanation:

please mark as brainlist and also follow

Answer 2

Circulator is a passive non reprocal three or four pirt device that only allows microve or radio frequency signals