The peak value of the sawtooth voltage at the non inverting input of a PWM modulator is held constant and the voltage at the inverting input of the PWM modulator varies in proportion to the converter dc input voltage. 在反向PWM调制输入时,变化与此转换器的输入电压成正比。
A Circuit Modulating Sawtooth Waveform to Produce Centre Voltage of Target 一种调变锯齿波产生目标中心电压的电路