EVAL-ADF4350 - Loop Bandwidth is listed in UG-109 as 35kHz, but in another document as 16kHz, even though the schematic components are identical, which is correct?
It is 35 kHz for the EVAL-ADF4350EB1Z. What other document are you referring to?
Inside the CD-ROM there is a EVAL-ADF4350_RevPrH.pdf file that describes the evaluation board. The evaluation board uses a 10 MHz TCXO and its loop filter bandwidth is 16kHz.
The newer eval board kits only have UG-109 and UG-110. These are for the EVAL-ADF4350EB1Z (35 kHz lbw) and EVAL-ADF4350EB2Z (16 kHz lbw). Note that the older EB1Z was changed into the EB2Z.
Hope this helps.
I have the EVAL-ADF4350EB1Z...
Could you please give me more details concerning this loop filter?
You say it is 35kHz lbw, but for which parameters (modulus, charge pump current etc...)?
I tried with ADIsim PLL but cannot find 35kHz.
Also, could you please give me more details on the TCXO used? The reference in the BOM seems to not exist (anymore?). Eventually, if you have somewhere the corresponding datasheet, or at least phase noise profile, that would be perfect!
Thanks a lot,
ADIsimPLL file attached.
Retrieving data ...