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TPA3118D2与FM共存问题

Other Parts Discussed in Thread: TPA3110D2, TPA3118D2, TPA3116D2

请问TPA3118D2改变其频率能不干扰FM吗?我想用TPA3110D2来做,但干扰太严重了。

  • TPA3116D2 是 D类功率放大器,高达 1.2MHz 的切换频率,工作起来会有些干扰。这个频段极其高次谐波已经可以对外辐射了,布线需要相当注意,并需要考虑加一点屏蔽措施了。