Accuracy of frequency generation

[GiangV]

Hi all!

I have a 6602 and wondering how accurate this DAQ card can generates  a frequency of 432,292229547 Hz ?

Thanks in advance

Vu

[PelleS]

Hi,

Using the 80 MHz timebase, you can get generate frequencies f_x = 80 MHz / i, i =4, 5,.....The closest you can get this devided timebase is 432.29 Hz I believe. The timebase stability is 50 ppm which means that the accuracy in this case would be +/- 0.02 Hz.

http://zone.ni.com/devzone/cda/epd/p/id/1170

Hope it helps.

[GiangV]

Hi Pelle !

Thank you for your answer, it's help me a lot.

Best Regards,

Giang Vu