Increase frequency step size of the ASG

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Increase frequency step size of the ASG

Post by pjetkin » Fri Nov 15, 2019 5:00 pm


I want to increase the step size (currently 116mHz) of the ASG. As a short test I divided the adc_clk, which is also connected to the ASG, by 128. With this I can output frequencies with a step size of ~8mHz. But using this approach, the clock of the acquisition module and all other modules is also reduced, what is not wanted. Is there a simpler solution that is not affecting other modules? Is it possible to e.g. run the ASG on a slower clock or do all modules need to run on the same clock due to synchronization?

I would be very thankful for any advice.


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Re: Increase frequency step size of the ASG

Post by redpitaya » Mon May 18, 2020 9:17 am

All modules work with one clock frequency.
Thus, we assume that it's impossible to change the frequency of the generator so that it's changed on all modules.

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