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Including a ferrite bead on the power supply rail is recommended for better isolation from switching noise, but isn't strictly required for basic operation. Note that excessive power supply ripple could impact phase noise performance on the outputs of the buffer. We recommend following the setup in the datasheet for best performance since it has been extensively tested.
Including the 2.2Ohm series resistors on the other VDD pins isn't required but should be fine. There will be a small voltage drop, but since the LMKDB1102 has relatively small current consumption (41mA max with all outputs enabled) I wouldn't expect this to be an issue.
