Can you use 2 parts? 2 ADF4351 evaluation boards would do what you're trying to do. If you want much narrower than 10 kHz spacing, try the 2 ADF4355-2 boards.
- ADF4351: http://www.analog.com/adf4351
- ADF4355-2: http://www.analog.com/adf4355-2
Can you use 2 parts? 2 ADF4351 evaluation boards would do what you're trying to do. If you want much narrower than 10 kHz spacing, try the 2 ADF4355-2 boards.