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关于TAS5731的AD与BD模式切换与输出电感啸叫的问题



求教,在默认的AD模式下,声音大时输出电感发出音乐声,喇叭出现自激,换电感未果。不知道是什么原因造成的

想换成BD模式  在寄存器0x20切换后,测量功放输出载波,还是处于AD模式下的载波反相的模式,到底要怎么才能切换呢,多谢解答