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CMOS3.3V的PWM输出如何转换到直流电平

lee howal
Intellectual 560 points


在设计时，用MCU产生3.3V的PWM输出，结果需要相对应的直流输出，板子上有12V电压，如果将3.3V的PWM波形转换成0~12V的直流电平呢？