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https://e2e.ti.com/support/audio-group/audio/f/audio-forum/666270/tpa3221-driving-100-ohm-loudspeaker-through-a-transformer
您好，
客户希望通过TPA3221驱动100欧姆扬声器，其两种方式如下所示。
(A)音频放大器输出变压器的阻抗转换
(B)在LC滤波器的上一级使用开关变压器进行阻抗转换
他想了解这些方法的技术问题。 如果您注意到一些问题，能否告诉我们？
此致，
Akio Ito
