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https://e2e.ti.com/support/audio-group/audio/f/audio-forum/1186147/faq-1980-national-semiconductor-audio-handbook
我听说40年前 National 出版了一本史诗般的手册。 您有 PDF 吗？
如果有人对43年前的艺术感兴趣、这里有一份副本。
e2e.ti.com/.../1980-NSC-Audio-_2600_-Radio-Handbook.pdf
