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Introduction It s no news that the band pass requirements for power sys-tems on PCB s are increasing and that power supply imped-ance requirements are getting tighter. Bypass capacitor fabri-cation and assembly techniques are improving and pushing higher the normal self-resonant frequencies we have to deal with. ESR s (equivalent series resistance) are decreasing, pushing further down the floor of the power supply impedance curve. All this has created increased debate as to how to take advan-tage of this higher self-resonant requency and lower ESR.
Introduction It’s no news that the band pass requirements for power sy s-tems on PCB’s are increasing and that power supply impe d-ance requirements are getting tighter.
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