This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
这个声卡完全使用TI的PCM高品质USB解码芯片加上低压运放。USB解码后输出音频,经过运放的再次放大,运放的输出经过电容耦合。
原理图中可以看出运放工作方式为同相放大。
最终实物如图,音质真的很不错,TI的芯片果然很牛啊。