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| programmable-logic:eclypse-z7:demos:low-level-low-pass-filter [2021/09/23 23:40] – [Software Setup] Arthur Brown | programmable-logic:eclypse-z7:demos:low-level-low-pass-filter [2022/10/04 11:38] (current) – external edit 127.0.0.1 | ||
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| The purpose of the digital loopback is to correct the phase errors introduced by the ADC and Zmod Scope Controller latency and the gain errors caused by the mismatch between the ADC and the DAC full-scale voltages. | The purpose of the digital loopback is to correct the phase errors introduced by the ADC and Zmod Scope Controller latency and the gain errors caused by the mismatch between the ADC and the DAC full-scale voltages. | ||
| + | |||
| + | Regardless of the Zmod Scope used, the system uses a 40 MS/s sample rate for both the Zmod Scope input and Zmod AWG output. | ||
| With this setup the frequency response of the filter can be correctly measured regardless of the gain setting of the Zmod AWG. | With this setup the frequency response of the filter can be correctly measured regardless of the gain setting of the Zmod AWG. | ||
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| ===Hardware=== | ===Hardware=== | ||
| - | * [[https://store.digilentinc.com/ | + | * [[https://digilent.com/shop/ |
| * Including a **Micro-USB cable** and **12V Power Supply** | * Including a **Micro-USB cable** and **12V Power Supply** | ||
| * A Zmod Scope, one of the following: | * A Zmod Scope, one of the following: | ||
| Line 60: | Line 62: | ||
| * [[https:// | * [[https:// | ||
| * [[https:// | * [[https:// | ||
| - | * [[https://store.digilentinc.com/ | + | * [[https://digilent.com/shop/ |
| - | * [[https://store.digilentinc.com/ | + | * [[https://digilent.com/shop/ |
| * BNC-to-SMA cables (or BNC-to-SMA adapters with BNC or SMA cables) are recommended | * BNC-to-SMA cables (or BNC-to-SMA adapters with BNC or SMA cables) are recommended | ||
| Line 74: | Line 76: | ||
| ===== Downloads ===== | ===== Downloads ===== | ||
| - | | Vivado Project Archive |[[https:// | + | | Vivado Project Archive |[[https:// |
| | Waveforms Workspace |{{ : | | Waveforms Workspace |{{ : | ||
| Line 179: | Line 181: | ||
| For more guides and example projects for your Eclypse Z7, please visit its [[programmable-logic: | For more guides and example projects for your Eclypse Z7, please visit its [[programmable-logic: | ||
| - | For more information about how to use the other Digilent products featured in this demo, please visit their respective Resource Centers: \\ [[test-and-measurement: | + | For more information about how to use the other Digilent products featured in this demo, please visit their respective Resource Centers: \\ [[test-and-measurement: |
| For technical support, please visit the [[https:// | For technical support, please visit the [[https:// | ||
| {{tag> | {{tag> | ||

