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Power Tip #2: Taming a noisy power supply

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green_is_now
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re: Power Tip #2: Taming a noisy power supply
green_is_now   4/30/2009 2:57:30 PM
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To further add to Sreeram's comments, if the switching frequency and A/D frequencies beat frequency caused by even sub-harmonic synchronization, if the beat frequency is known by the uP then these samples can be weighted more or given priority in noise elimination alogrithims because those samples that can be ensured to be within a constant state (On or off period depending on topology)will not have switching transent noise present.

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