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设计一种基于SSL2129AT的PWM占空比控制驱动电源输出电流 ... isolation LED driver circuit based on SSL2129AT by PWM control is presented, the design of the dimming ...
... 解耦控制策略广泛应用于三相PWM整流器场合。然而,在单相PWM整流器场合,由于主电路缺少一个 ...
设计了一种基于PWM自主调制的宽输入DC-DC升压 ... wide input DC-DC converter circuit based on PWM self-modulation is designed. A range of a ...
本文对嵌入式课程中采用的STM32 芯片的定时器和 PWM 功能原理进行分析,通过控制 LED 灯发光现象的实验设计和探讨,帮助学生对定时器和 PWM 控制原理的理解,提高学生的开发应用能力,从而达到良好教学效果
PWM波形组成进行理论分析的基础上,提 出了可以通过一个低通滤波器把PWM中的DAC调制信 号解调出来,实现DAC。设计了两组DAC电路实现方式,分别适合于不同的应用场合。
双向可逆PWM控制补偿型稳压电源具有稳 ... 电容尽可能取大值。Bidirectional reversible PWM control compensation regulated power supply has high precision ...
给出了三相电压型PWM整流器在三相静止坐标系和两相 ... . The mathematic model of three-phase voltage-source PWM rectifier was given in three-phase sta-tionary ...
... P3.0-P3.3口的PWM信号控制功率管驱动电路.由 ... the digital impulse signal, the AT89C51 controls the PWM to drive the power magnification circuit, which controls ...
本设计基于实际产品开发需要,利用PWM调速原理,由时基芯片NE555 ... 的分压电路和比较器,实现PWM脉宽的改变,从而改变风扇的 ...
介绍了基于微控制器的PWM实现D/A转换的原理,在此 ... /A converter,transformed from the microcontroller's PWM.On this basis,the paper proposed the circuit ...