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who can point out the essential of low noise circuit design?

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xuexucheng

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who can point out the essential of low noise circuit design?
straitforward is welcome
and some good examples are also welcome!!!
Thank you!
 

Use ground plane, power plane, multiple decoupling caps (for instance 1uf, 100n, 1n in parallel), smooth tracks without 90 degree angles, flip chip devices, match bus wire lengths, and match impedances for digital output to digital input (such as 10 ohm resistor in series).
 

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