Does both adf4350 and adf4351 have internal pull-ups for the CE and PDBrf input pins?
Not internally. On the board these pins do have external pull-up resistors to DVdd.
Is there a specific reason to use a 10K for the CE to AVDD in your evaluation board? We saw other radio designs using your chip with a different value, i.e. 330ohms. Thanks !
We used 330 Ohms before when using a parallel port interface.
But these pins just need pull-up's to Vdd in order for the part to work, but there is no specific reason for 10k. 1k or 100k would be fine too.
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