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AD9234-EB Datasheet(PDF) 4 Page - Analog Devices |
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AD9234-EB Datasheet(HTML) 4 Page - Analog Devices |
4 / 28 page HSC-ADC-EVALB-SC/HSC-ADC-EVALB-DC Rev. 0 | Page 4 of 28 VIRTUAL EVALUATION BOARD EASY START WITH ADIsimADC REQUIREMENTS Requirements include • Completed installation of ADC Analyzer, Version 4.5.17 or later. • ADIsimADC product model files for the desired converter. Models are not installed with the software, but they can be downloaded from the ADIsimADC Virtual Evaluation Board website at no charge. No hardware is required. However, if you wish to compare results of a real evaluation board and the model, you can switch easily between the two, as outlined in the following Easy Start Steps section. EASY START STEPS 1. To get ADC model files, go to www.analog.com/ADIsimADC for the product of interest. Download the product of interest to a local drive. The default location is c:\program files\adc_analyzer\models. 2. Start ADC Analyzer (see the ADC Analyzer User Manual). 3. From the menu, click Config > Buffer > Model as the buffer memory. In effect, the model functions in place of the ADC and data capture hardware. 4. After selecting the model, click the Model button (located next to the Stop button) to select and configure which converter is to be modeled. A dialog box appears in the workspace, where you can select and configure the behavior of the model. 5. In the ADC Modeling dialog box, click the Device tab and then click the … (Browse) button, adjacent to the dialog box. This opens a file browser and displays all of the models found in the default directory: c:\program files\adc_analyzer\models. If no model files are found, follow the on-screen directions or see Step 1 to install available models. If you have saved the models somewhere other than the default location, use the browser to navigate to that location and select the file of interest. 6. From the menu, click Config > FFT. In the FFT Configuration dialog box, ensure that the Encode Frequency is set for a valid rate for the simulated device under test. If set too low or too high, the model does not run. 7. Once a model has been selected, information about the model displays on the Device tab of the ADC Modeling dialog box. After ensuring that you have selected the right model, click the Input tab. This lets you configure the input to the model. Click either Sine Wave or Two Tone for the input signal. 8. Click Time Data (left-most button under the pull-down menus). A reconstruction of the analog input is displayed. The model can now be used just as a standard evaluation board would be. 9. The model supports additional features not found when testing a standard evaluation board. When using the modeling capabilities, it is possible to sweep either the analog amplitude or the analog frequency. For more information consult the ADC Analyzer User Manual at www.analog.com/hsc-FIFO. |
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