它还包括霍尔元件输入、整流控制定序器、固定停机时间脉冲宽度调制(PWM)电流控制以及锁定转子保护。

It also includes, Hall element inputs, a sequencer for commutation control, fixed off time pulse width modulation (PWM) current control and locked rotor protection.

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报道了两个增益开关调制的法布里珀罗半导体激光器互注入锁定实验方案，可产生双波长可调谐光脉冲。

Amutual pulse injection-seeding scheme is developed to generate tunable dual-wavelength optical short pulses by the use of two gain-switched fabry-perot (F-P) semiconductor lasers.

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当PFD在锁定模式中不生成脉冲时，电荷泵不提供电荷给环路滤波器。

When the PFD does not generate pulses in lock mode, the charge pump does not provide charge to the loop filter.

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