[time-nuts] Best way for generating 8994.03 MHz from 2899.00042272.....MHz?

Rick Karlquist richard at karlquist.com
Sun Aug 16 18:33:09 UTC 2009


Lux, Jim (337C) wrote:
>
> The usual DDS chips (e.g. From Analog Devices) have a built in table of
> fixed length.  If you want to use something other than the power of 2 it
> comes with, you'll need to implement the NCO in an FPGA, with an external
> DAC.

Analog Devices is working on a variable modulus DDS, that should
eliminate the need to roll your own with an FPGA.

Rick Karlquist N6RK




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