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Reducing voltage with resistors - Electrical Engineering Stack …
WebSep 2, 2014 · 32. I have been looking around for an easy way to convert 12V to 5V. I have seen some people saying that a simple resistor is all that is needed. V o l t s = O h m s ⋅ A m p s. A m p s = V o l t s O h m s. O h m s = V o l t s A m p s. So applying a resistor will diminish the voltage of the circuit. That should mean that an appropriately sized ... WebJul 20, 2024 · 如果只是为了解决运放双电源供电问题,电容型负压变换器(又称电容电荷泵负压发生器)可以很容易地将+5V或者+12V变成-5V或者-12V,常用芯片是ICL7660或者ICL7662。. 这类变换器不需要使用电感,对模拟电路的干扰较小,缺点是输出电流有限,但用于一般运放、ADC ... is a icewing a godly
开源电路设计のSTM32最小系统电路 - 腾讯云开发者社区-腾讯云
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