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Of digital power source and imitate power source different
From;  Author:Stand originally
〖 article reprints or website of technology of electron of China of provenance 〗 ≡ ≡ network address: Of power source of number of Www.EC66.com and imitate power source different

Any circuit, the requirement to power source is endless and identical. Imitate circuit involves puny signal, cannot your power source noise always compare signal big? Digital circuit door is restricted n is taller, some lower than imitate circuit to the requirement of power source. In already digital circuit has the system of imitate circuit again, the noise that digital circuit produces can affect imitate circuit, make the small signal target of imitate circuit becomes poor, overcome method is apart imitate ground and digital ground, there is the introduction on a lot of teaching material and document. Of course, you are indifferent to when big signal applies.