Education Library

Frequently Asked Question

What type of automatic frequency sweeping modes does each of your DDS parts support?

Please see the table below:

  Linear Sweep
(defined endpoints - Ramped FSK)
Linear Sweep
(no defined endpoints)
RAM mode
(user defined)
RAM mode
No Automatic Frequency Sweep
AD9850       Must be done by writing successive FTW to the part
AD9851       Must be done by writing successive FTW to the part
AD9852 Yes Yes   Has a hold pin
AD9854 Yes Yes   Has a hold pin
AD9858   Yes   Does not have a hold pin
AD9951       Must be done by writing successive FTW to the part
AD9952       Must be done by writing successive FTW to the part
AD9953     Yes  
AD9954 Yes   Yes