Can I use the ADF5355 to produce the FM/AM/PM modulation signal? How to do it?
If you mean, do these functions exist intrinsically within the ADF5355 the answer is no. However, the output signal can still be FM, AM or PM modulated but it will require additional work by the user. In each case the signal would need to be varied then after the frequency has settled (depends on Loop BW being used and whether or not auto-cal is enabled) changed again using either the frequency based registers for FM (Register 0 through Register 2), for PM (Phase Adjust - Register 3), for AM - limited to a few selections (RFout A+/A- only - Register 6 [5:4]. Please refer to the datasheet for additional information regarding each of these functions and when their respective updates take place as well as page 7 for timing information and the 'Frequency Update' information on page 33.
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