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Miscellaneous Clock Topics

Learn how to reduce jitter in clock drivers by utilizing a simple RC filtering technique. This method, used in Pentium 4 power supplies, can be applied to Messenger/MLA altimeters for improved performance. Explore dynamic power numbers and implementation details.

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Miscellaneous Clock Topics

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  1. Miscellaneous Clock Topics

  2. Pentium 4 Power Supply FilteringCircuit 10 % dip in Core Supply 2% dip in Filtered Supply Simple RC filter used for clock drivers.  = 2.5 ns

  3. Pentium 4 Power Supply FilteringJitter Reduction Same technique is used on the Messenger/MLA altimeter.

  4. Representative Dynamic Power Numbers A1280/A1280XL Power (mW) F(MHz) Module Input Output Clock Total 1 11 13 21 27 72 2 23 25 42 54 144 5 57 63 105 136 360 10 113 125 210 272 720 20 227 250 419 544 1,440 30 340 375 629 815 2,159 40 453 500 839 1,087 2,879

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