What you need is the AD9913. It has a programmable modulus. Now you're not stuck with 2^32. You can pick any convenient value.
Rick Karlquist N6RK On 1/25/2011 5:37 AM, Ulrich Bangert wrote:
Gentlemen, the pros and cons of DDS chips and how to improve them have been discussed here from time to time. Most of the improvements have the aim to remove spurs out of the power spectrum or to reduce the noise level. Yesterday I run into a thing that may make it very qestionable whether DDS based circuitry is in general good for precise timing applications.
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