锁定的

Fireresistant Hall device and SmCo rotor is used to design position and speed sensor, and the corresponding doubling circuit and decoding circuit is designed.

采温的锁定型霍尔元件和钐钴永磁转子分别构成位置与速度传感器，并设计相应的速度信号频电路与位置信号译码电路。