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Powering Analog circuit through SMPS.

Question asked by PrateekJain-28889 on Dec 13, 2013
Latest reply on Dec 13, 2013 by LucaV

SMPS output has ripple and switching noise at its output. Such a supply could hamper performance of high resolution slow speed analog circuit.How to reduce it? A low noise linear regulator would do? An LC filter can work or both( LC filter followed by linear regulator)? A ferrite bead is also a general practice."Please suggest me how should i power my slow speed high resolution analog hardware(i am talking about process control, mainly temperature measurement applications)".

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