I am currently undertaking a project that requires an independent 2.4GHz frequency synthesizer.
ADF4360-1 is a good choice and many people use a microcontroller to initialise the IC.
Regarding to its evaluation board, the initializing procedure is done by computer.
After the evaluation board has stable output (initialized), can the evaluation board disconnect from the computer (or microcontroller) and use as a standalone frequency synthesizer producing 2.4GHz signal? In other words, does it require digital signal all the time?