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AWG frequency calibration?

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AWG frequency calibration?

Postby bob.freeth » Wed Jul 02, 2008 5:32 pm

The frequency generated by the AWG feature of my PicoScope 2203 is high.

Sine wave 250mV
10kHz outputs 10.0767kHz
100kHz outputs 100.767kHz

Is there any way I can adjust it?

Thanks
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Postby picojohn » Thu Jul 03, 2008 10:35 am

Hello Bob,

You may edit the AWG frequency to three decimal places by over typing the preset value.

e.g. 9.923 Khz.

Regards
John
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Postby bob.freeth » Thu Jul 03, 2008 1:04 pm

Thank you for the response. I think what you are saying is that I can't adjust the device itself to output the correct frequency i.e. 1kHz in the drop-down outputs 1kHz.

However, I can change the frequency in the drop-down until the actual output is correct.

If this is the case then may I suggest that a facility to add a correction factor to the frequency would be a useful addition to the program. This would enable a one-time calibration of the frequency and avoid having to enter different figures each time.

Regards,
Bob Freeth
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Postby picojohn » Fri Jul 04, 2008 1:12 pm

Hello Bob,

I can see the appeal of the feature that you would like, but then, the PicoScope 2203 would be a considerably more expensive product.

From your figures, the AWG is achieving better than 1% frequency accuracy, which is quite amazing from a highly featured product at this price!

Regards
John
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