请问脉宽调制控制电路(Pulse-Width-Modulation Control Circuit)、高速PWM控制器(High Speed PWM Controller)、电流模式PWM控制器(Current Mode PWM Controller)这些器件有什么区别?
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The analog part mainly includes power source, power control, signal generation, signal modulation, high voltage output control and feedback control circuit.
模拟部分主要包括电源、功率控制、信号产生、信号调制、高压输出控制和反馈控制电路。
The resonant soft switching inverter arc welding power source uses LCL type structure in the main circuit, and selects phase shifting pulse wide modulation technique in the control system.
研制的谐振式软开关弧焊逆变电源，主电路采用新型LCL结构，控制系统选用恒频移相调脉宽控制方案。
The remote control device crystal frequency stabilization using pulse amplitude modulation transmitter, A simpler circuit, high frequency stability, launched 28MHZ are continuous carrier amplitude.
该遥控装置采用晶体稳频脉冲调幅发射机，电路较简单，频率稳定度高，发射的是间断的28MHZ等幅载波。
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