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| resources:eval:hmcad15xx [25 Jan 2023 20:11] – Draft 1/25 Deferson Romero | resources:eval:hmcad15xx [09 Feb 2023 07:41] (current) – Deferson Romero |
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| ^ Analog Input Channel Number ^ Default Input Driver, AC/DC coupling ^Signal type on Input/Output ^Install ^Uninstall ^ | ^ Analog Input Channel Number ^ Default Input Driver, AC/DC coupling ^Signal type on Input/Output ^Install ^Uninstall ^ |
| | 1 | LTC6419, DC coupling, Unity Gain | Differential/Differential |R23, R24, R41, R42, R45, R60, R61 |R56, R57 | | | 1 | LTC6419, DC coupling, Unity Gain | Differential/Differential |R41, R42, R44, R45, R60, R61 |C51, C52, R23, R24, R56, R57 | |
| | 2 | LTC6419, DC coupling, Unity Gain | Single-Ended/Differential |R23, R24, R46, R58, R59| C53, R54, R55 | | | 2 | LTC6419, DC coupling, Unity Gain | Single-Ended/Differential |R46, R58, R59| C53, R54, R55, R23, R24 | |
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| ====Analog Input Vcm==== | ====Analog Input Vcm==== |
| - For [[adi>en/design-center/evaluation-hardware-and-software/evaluation-boards-kits/EVAL-HMCAD1511.html|HMCAD1511-EBZ]], connect another continuous wave generator as the ADC clock. Set the clock frequency to **1GHz** and **10dBm** output level. | - For [[adi>en/design-center/evaluation-hardware-and-software/evaluation-boards-kits/EVAL-HMCAD1511.html|HMCAD1511-EBZ]], connect another continuous wave generator as the ADC clock. Set the clock frequency to **1GHz** and **10dBm** output level. |
| - Going back to ACE Software, click **Proceed to Analysis** button and click on the **FFT** tab. Click **Run Once** button under **Capture** wizard to capture an FFT plot. | - Going back to ACE Software, click **Proceed to Analysis** button and click on the **FFT** tab. Click **Run Once** button under **Capture** wizard to capture an FFT plot. |
| - Observe the fundamental frequency and power. Adjust the signal source unti; obtain approximately -1dBFS fundamental power at 70MHz.<WRAP centeralign>{{ :resources:eval:hmcad1511_fundpower_-1dbfs.jpg?400 |}}//Figure 4. HMCAD1511-EBZ Fundamental Frequency and Power//</WRAP> | - Observe the fundamental frequency and power. Adjust the signal source until fundamental power obtains approximately -1dBFS at 70MHz.<WRAP centeralign>{{ :resources:eval:hmcad1511_fundpower_-1dbfs.jpg?400 |}}//Figure 4. HMCAD1511-EBZ Fundamental Frequency and Power//</WRAP> |
| - If fundamental power achieved, click **Zoom to Fit** ({{:resources:eval:hmcad1511_zoomtofit.jpg}}) to show graph at Fs/2, then click **Show Annotations** ({{:resources:eval:hmcad1511_annotations.jpg}}) to show all the spurs' annotation within the plot. Refer to Figure 5.<WRAP centeralign>{{ :resources:eval:hmcad-8bit-1g-70m-single-fft.jpg?900 |}}//Figure 5. HMCAD1511-EBZ (8-bit, single channel, Fs=1GHz, Fin=70MHz) FFT Analysis Results//</WRAP> | - If fundamental power achieved, click **Zoom to Fit** ({{:resources:eval:hmcad1511_zoomtofit.jpg}}) to show graph at Fs/2, then click **Show Annotations** ({{:resources:eval:hmcad1511_annotations.jpg}}) to show all the spurs' annotation within the plot. Refer to Figure 5.<WRAP centeralign>{{ :resources:eval:hmcad-8bit-1g-70m-single-fft.jpg?900 |}}//Figure 5. HMCAD1511-EBZ (8-bit, single channel, Fs=1GHz, Fin=70MHz) FFT Analysis Results//</WRAP> |
| - To save the **Data Set**, click **Export** button on the **Results** wizard. Also, you click **Import** button to review the saved data set with a file format of "//.acesamples//".<WRAP centeralign>{{ :resources:eval:hmcad-result-table.jpg?400 |}}//Table 3. HMCAD1511-EBZ (8-bit, single channel, Fs=1GHz, Fin=70MHz) Results Comparison.//</WRAP> | - To save the **Data Set**, click **Export** button on the **Results** wizard. Also, you click **Import** button to review the saved data set with a file format of "//.acesamples//".<WRAP centeralign>{{ :resources:eval:hmcad-result-table.jpg?400 |}}//Table 3. HMCAD1511-EBZ (8-bit, single channel, Fs=1GHz, Fin=70MHz) Results Comparison.//</WRAP> |
| This section is intended to provide evaluation board characterization results on Differential-to-Differential configuration in Channel 1 using the LTC6419 amplifier as shown in Figure 7, and on Single-to-Differential configuration in Channel 2 using the said amplifier as shown in Figure 8. | This section is intended to provide evaluation board characterization results on Differential-to-Differential configuration in Channel 1 using the LTC6419 amplifier as shown in Figure 7, and on Single-to-Differential configuration in Channel 2 using the said amplifier as shown in Figure 8. |
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| <WRAP centeralign>{{ :resources:eval:hmcad_amp_diff_to_diff.png?direct&800 |}}//Figure 7. Amplifier Path for Differential-to-Differential Configuration in CH1//</WRAP> | <WRAP centeralign>{{ :resources:eval:hmcad1511-8bit-quad-250mhz-70mhz-opamp-channel_1-12.61dbm.jpg?600 |}}//Figure 7. Amplifier Path for Differential-to-Differential Configuration in CH1//</WRAP> |
| <WRAP centeralign>{{ :resources:eval:hmcad_amp_single_to_diff.png?direct&800 |}}//Figure 8. Amplifier Path for Single-to-Differential Configuration in CH2//</WRAP> | <WRAP centeralign>{{ :resources:eval:hmcad1520-8bit-quad-250mhz-70mhz-opamp-channel_2-10.53dbm.jpg?600 |}}//Figure 8. Amplifier Path for Single-to-Differential Configuration in CH2//</WRAP> |
| =====Troubleshooting Tips===== | =====Troubleshooting Tips===== |
| If the FFT window remains blank after Running Once in ACE, do the following: | If the FFT window remains blank after Running Once in ACE, do the following: |
