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来看看在这个电源,能通过单个PWM输出进行计算机编程
而图1中的对称0V至10V、1.5A实验室电源实现了一个额外的便捷功能:通过单个PWM输出进行计算机编程。bwYednc 图1:LM337、LM317和CD4053共同构成对称的0至+10V PWM编程电源。bwYednc 在图1的PWM DAC接口中,DPST开关U1a和U1b接受10kHz PWM 5V信号,在C2上为U2稳压器生成+1.25V至-8.75V ...
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