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bob.freeth
Active User
Joined: 03 May 2008
Posts: 5
Location: New Milton
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 Posted: Wed Jul 02, 2008 5:32 pm Post subject: AWG frequency calibration? |
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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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picojohn
Site Admin
Joined: 11 Jun 2007
Posts: 391
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| Posted: Thu Jul 03, 2008 10:35 am Post subject: |
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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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bob.freeth
Active User
Joined: 03 May 2008
Posts: 5
Location: New Milton
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| Posted: Thu Jul 03, 2008 1:04 pm Post subject: |
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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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picojohn
Site Admin
Joined: 11 Jun 2007
Posts: 391
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| Posted: Fri Jul 04, 2008 1:12 pm Post subject: |
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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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