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about VisualAnalog

Dear Sir/Madam,

We are going to use AD9257 for Image sensor and studying VisualAnalog

using AD9257-65EBZ and HSC-ADC-EVALCZ.

AD9257 is connected with 8-ch CMOS sensor.

So,we want to acquire Row_data of AD9257.

What is the simple or best method using VisualAnlog?.

Attached image is sample canvas.

It would be greatly appreciated if advice could be gotten.

Sincerely yours,

Kou

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  • Hi Kou-san,

    Yes, VisualAnalog can be used to capture and save sample data.

    First, as you have already done, setup the AD9257 in operation mode so you can get a valid FFT. I see from your image of the canvas that you have already done this.

    Now, from the VisualAnalog menu bar, if you navigate to the "Samples" canvas by File --> New --> Octal --> AD9257 --> Samples. Open this canvas. Follow the same procedure to setup the part to run as you already did for the FFT.

    You can select which channel(s) you would like to observe by pushing the Settings button on the ADC Data Capture block within the VisualAnalog canvas.

    This will bring up an ADC Capture Settings window where you can select which ADC channel(s) you would like to observe. Push OK to save your selections.

    If you push the Continuous Run button () you should see a time domain waveform in the graph window. If you see the time domain waveform, you are ready for the next step. Push the Continuous Run button again to stop the capture (for now).

    In the VisualAnalog Graph menu bar, push the Settings button.

    This will bring up a Graph Settings Window. In the General Tab, check the box in the Data Files Field.

    Then, in the Data Settings tab, check the boxes in the Data File field and specify the path and filename of where you would like to store the results.

    Push the OK button and the window will close.

    Now, push the Continuous Run button () again, and let it run for one or two seconds before pushing it again to stop the capture. Navigate to the file you specified and open it in a tool that can read .csv files. This file contains your captured samples.

    One more item . . . Please remember to un-check the Data Files check box after you have finished capturing data.

    If you do not un-check this, data will be written to your storage every time you Run, which could create unintended files and take up disk space.

    Please let me know if this worked for you.

    Thank you.

    Doug

Reply
  • Hi Kou-san,

    Yes, VisualAnalog can be used to capture and save sample data.

    First, as you have already done, setup the AD9257 in operation mode so you can get a valid FFT. I see from your image of the canvas that you have already done this.

    Now, from the VisualAnalog menu bar, if you navigate to the "Samples" canvas by File --> New --> Octal --> AD9257 --> Samples. Open this canvas. Follow the same procedure to setup the part to run as you already did for the FFT.

    You can select which channel(s) you would like to observe by pushing the Settings button on the ADC Data Capture block within the VisualAnalog canvas.

    This will bring up an ADC Capture Settings window where you can select which ADC channel(s) you would like to observe. Push OK to save your selections.

    If you push the Continuous Run button () you should see a time domain waveform in the graph window. If you see the time domain waveform, you are ready for the next step. Push the Continuous Run button again to stop the capture (for now).

    In the VisualAnalog Graph menu bar, push the Settings button.

    This will bring up a Graph Settings Window. In the General Tab, check the box in the Data Files Field.

    Then, in the Data Settings tab, check the boxes in the Data File field and specify the path and filename of where you would like to store the results.

    Push the OK button and the window will close.

    Now, push the Continuous Run button () again, and let it run for one or two seconds before pushing it again to stop the capture. Navigate to the file you specified and open it in a tool that can read .csv files. This file contains your captured samples.

    One more item . . . Please remember to un-check the Data Files check box after you have finished capturing data.

    If you do not un-check this, data will be written to your storage every time you Run, which could create unintended files and take up disk space.

    Please let me know if this worked for you.

    Thank you.

    Doug

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