The function and principle of circulator
Circulator is used to transmit the incident wave which entry from any port of its body to the next port, according to a certain direction confirmed by Static bias magnetic field. It is a nonreciprocal devices with sevral ports. For example, input signal from port 1, the signal can just output from port 2, the same princple, input signal from port 2, the signal can just output from port 3. By parit……