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www.ti.com/.../mpy634.pdf接法如 Page8 FIGURE 9. Linear AM Modulator.SF悬空
为什么测试SF电压为-13.8V,而不是手册给的是10V？？？？
我觉得先排除一下有没有焊接方面的问题
我近期也用了这个片子，和你的问题一样，你这个问题解决了吗
