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DDS choice

Question asked by Javier on Mar 16, 2011
Latest reply on Mar 20, 2011 by Javier

Hi all


I am designing a linear chirp generator to sweep about  200 MHz at 2-2.2 GHz. I wonder about the best option, in terms of phase noise.

Is it better to use a  9910 (9912) driven by a 50*20 CLKREF and multiply the result or AD9956 in a fractional-divider loop configuration?