CMOS dual and quad analog switch.

CMOS双路和四路模拟开关。

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General purpose CMOS quad analog switch.

通用CMOS四路模拟开关。

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I have updated the mixer section slightly and replaced the diodes and extra inverters with a quad analog switch as it saved room and it also works better.

我已更新了混音区段略有取代了二极管和额外的逆变器与一个四模拟开关，因为它节省空间，而且还更好的作品。

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