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
Since the 9913 lacks a means of low pass filtering the DAC reference it
may well suffer from significant AM noise sidebands.
With a well designed sine to square converter as required when using it
as part of an offset source like that outlined in Rick's paper (probably
desirable to reduce the
In message 4d3f06ca.8020...@karlquist.com, Richard (Rick) Karlquist writes:
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.
Isn't it more like M/N applied to DDS, than a variable MODULUS ?
As far as I know the sine
