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您好,您指的是电源的旁路电路C1这里加了100nF电容会震荡吗?这应该不会的,这里只是电源的去耦电容,滤除电源噪声,不会引起输出震荡。
如果说在输出端不小心加了电容,或者寄生电容太大,可能会导致输出不稳定,产生震荡,电源这里不会引起输出震荡。