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PCB Layout

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The connections on a PCB should be identical to its corresponding circuit diagram, but while the circuit diagram is arranged to be readable, the PCB layout is arranged to be functional, so there is rarely any visible correlation.

Community > Groups > PCB Layout > Regarding Mixed Signal Layout
Regarding Mixed Signal Layout
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paolo.costanzi

Quite often a printed circuit board (PCB) design will contain both an analog section and a digital section. The analog section typically conditions a signal for digitization and the digital section converts the analog signal to a digital one and then acts on the now digital domain signal. Segregating these two blocks of a PCB design is very important to insuring the integrity of the analogue circuity. Analogue circuits are typically highly susceptible to noise signals and digital circuits are typically very electrically noisy. This article will try to shed a light on some general rules to avoid mixed signal layout issues and discuss the best approach to isolating your analog circuit portion from its digital counter-part.

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Statement: This post is only the personal view of the author and does not represent the opinions of ALLPCB.com.

Peter Sleeman

Very helpful and valuable.

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