HALL_X 输入为6V,使用LM324和三极管搭建的电路会发生震荡
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您好,
建议去掉下面红色圈中的 四个电容,这相当于前面LM324 的容性负载,LM324 驱动不了这么大容性负载,会引起电路不稳定发生振荡。
看您电路中使用了3片 LM324,建议您逐级调试;下面链接中有运算放大器稳定性分析,相信您能从中找到解决方法:
https://e2echina.ti.com/support/amplifiers/f/amplifiers-forum/1046/ti