介绍一种高精度数学晶闸管触发器，它基于锁相环同步，适用于双反星形整流电路，并已成功地应用于晶闸管弧焊电流微机控制系统。
Digital thyristor Trigger of High Accuracy is introduced, which is based on phase locked loop synchronization and suitable for dual antistar rectification circuit.
结合锁相环的特性，设计一种电容式微机械陀螺双环路自激驱动电路。
Considering the characteristics of PLL, the dual self-excited driving circuits for capacitance micro-machined gyroscope are designed.
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