On 12/11/18 10:23 AM, Richard (Rick) Karlquist wrote:
On 12/11/2018 9:13 AM, djl wrote:
Rick: I've spent some time with the dds blocks. We found them to
generate lots of low level spurs, making lots of "birdies" when used
as local oscillators in receivers.
We had better results using:
https://www.silabs.com/products/timing/oscillators.
I was talking about making a programmable frequency synthesizer
with a DDS, to use as a general purpose signal generator.
A silabs part functions exactly the same as a crystal oscillator
once it receives its one-time programming at the factory, AFAIK.
Most of the Silabs parts are available in an I2C programmable version
rather than the factory programmed flavor.
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