FAQ
Q.
What is a circulator?
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A. As shown in the figure, the high-frequency signal that has entered from the terminal ① is transmitted only to the terminal ②, and the high-frequency signal that has entered the terminal ② is transmitted only to the terminal ③. And the high-frequency signal that has entered the terminal ③ will be transmitted to the terminal ①. In this way, transmission takes place only in a fixed direction, and does not happen in the opposite direction.


Fig. Circulator