Datasheet

November 2013 LMK040xx Evaluation Board User’s Guide SNAU045A 35

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4. Install a 0 Ohm resistor in R83 and remove the 0 Ohm resistor in R85

5. Power to the VCXO is provided by placing a jumper on the Vcc_TP header across the

traces labeled “VccSMA” and “VccAUXPlane”.

Changing from VCXO to Crystal Resonator

If the board has been setup to use the VCXO for PLL1, the VCXO may be disabled and the

crystal enabled as described on the following pages:

jumper