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right frequency with DDS + Modul

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right frequency with DDS + Modul

Postby F1DWF » Fri Aug 23, 2013 6:12 pm

hello

I realized the DDS VU3cns with a Chinese module, but the frequency error 2KHZ! ( example DDS 7002 khz the right frequency is 7000 khz !!!)
My question is how to calibrate the DDS?? . I saw that we were talking about WWW calibration?? but I saw nothing in the software ?
thank you for help

jean-luc F1DWF
F1DWF
 
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Re: right frequency with DDS + Modul

Postby vu3cns » Fri Aug 23, 2013 7:31 pm

Hi,
You can compare the output with a std 10MHz signal while setting the system clock in calibration mode, see documents for details,
73's
CNS
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