Published:2011/6/27 10:13:00 Author:chopper | Keyword: landlines, digital and analog circuit, same placode | From:SeekIC
When the digital circuit and analog circuit are on the same placode,the trend of the landlines is very important to prevent the noise of digital circuit from mixing into the analog circuit to effect its performance.The digital circuit and analog circuit must be separated physically if they are on the same circuit,because the analog ground AGND and digial ground DGND should be separated definitely.AGND and DGND should be connected at one point,just as picture a,b.
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