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Table of Contents

EVALUATING THE AD9152 DIGITAL-TO-ANALOG CONVERTER

Preface

This user guide describes both the hardware and software setup needed to acquire data capture from AD9152-FMC-EBZ evaluation board to characterize AD9152 16-bit 2.25Gsps dual JESD204B signal processing RF Digital to Analog Converter.

The AD9152-FMC-EBZ is an FMC mezzanine card and connects to an ADS7-V2 or ADS8-V1 data pattern generator system. The ADS7-V2/ADS8-V1 automatically formats the data and sends it to the AD9152-FMC-EBZ via its JESD204B lanes. The AD9152-FMC-EBZ is an FMC mezzanine card. +12V, +3.3V, and VADJ power supply rails are provided by the ADS7-V2/ADS8-V1 system via the FMC connector P1. A clock distribution chip AD9516 is included on this EVB as a clock fan-out and frequency divider for the DACCLK, JESD204B SYSREF signals, and a GBTCLK clock used by the ADS7-V2/ADS8-V1. There is also an FMC standard I2C bus that is used by the ADS7-V2/ADS8-V1 to identify the AD9152-FMC-EBZ. This I2C interface is implemented in software in the AD9152-FMC-EBZ PIC processor (XU1). All ADS7-V2/ADS8-V1 to/from AD9152-FMC-EBZ interface signals are connected via the FMC connector P1.

Typical Setup

Figure 1a. AD9152-FMC-EBZ Setup with ADS7-V2EBZ

Figure 1b. AD9152-FMC-EBZ Setup with ADS8-V1EBZ

Tip: Click on any picture in this guide to open an enlarged version.

Software Needed

Known Issue: ACE may fail to detect HS-DAC boards, details here.

Hardware Needed

  • AD9152-FMC-EBZ Evaluation Board which comes with:
    • USB-A to USB-Mini Cable
  • ADS7-V2EBZ or ADS8-V1EBZ Evaluation Kit which includes:
    • 12V 60W AC/DC Power Supply
    • Power Cord
    • USB-A to USB-B Cable
  • PC with ACE and DPG Lite Software Applications
  • Low Phase Noise High-Frequency Continuous Wave Generator
  • Signal/Spectrum Analyzer
  • (2) SMA Cables

Quick Start Guide

  1. Attach AD9152-FMC-EBZ onto the FMC connector of ADS7-V2 or ADS8-V1 controller board. Connect the evaluation board to PC via USB, the continuous waveform generator output to J1, and one of the DAC outputs to a signal/spectrum analyzer. Connect ADS7-V2/ADS8-V1 to PC via USB and to a 12V 60W AC/DC power supply, then switch the board ON using S1 beside the connector for 12V supply. Refer to Typical Setup section for pictures of actual evaluation setup.
  2. Set the frequency of the continuous waveform generator output to 1.5 GHz and the output level to +3 dBm. Enable the output.

    Figure 2. ADS7-V2 and AD9152 detected in DPG Software

  3. Start DPG Lite or DPG Downloader. A panel named after the detected controller board should appear at the bottom of the DPG window. The device on the evaluation board and the data interface should also be automatically detected by the software and shown at Evaluation Board and Port Configuration, respectively. See Figure 2.

    Figure 3. AD9152-FMC-EBZ detected in ACE

  4. Open ACE. The board will automatically be recognized by the software as shown in Figure 3. Otherwise, install the plugin for AD9152 evaluation board by following the steps in this page: Quickstart - ACE Quickstart and Plug-in Installation.

    Figure 4. ACE Initial Configuration Wizard

  5. In ACE, apply the configuration wizard settings enumerated below and shown in Figure 4. JESD204B PLL should lock and the indicator should turn green.
    • FDAC: 1.5 GHz
    • Interpolation: 4
    • JESD Mode: 4
    • Subclass1: True
    • DigGain: True
    • PLL_Enable: False
    • Input Data Format: 2's complement

      Figure 5. Single Tone and ADS7-V2 Configuration Panels in DPG

  6. In DPG Lite or DPG Downloader, configure single tone waveform generation. From the Add Generator Waveforms pulldown menu, select Single Tone. Apply the following settings:
    • Data Rate: 350 MHz
    • Desired Frequency: 100 MHz
    • DAC Resolution: 16 bits
    • Amplitude: -10 dB
    • Unsigned Data: unchecked
    • Generate Complex Data (I & Q): checked
  7. In the ADS7-V2 or ADS8-V1 panel in the DPG window, configure Data Playback by selecting tones for the DAC outputs from each dropdown menu. Set JESD Mode to Mode 4, Links to Single and Subclass to 1.

    Figure 6. AD9152 IDAC Output FFT for Data Rate = 350 MHz, FOUT = 100 MHz

  8. Press the download arrow () then the play button (). Serial Line Rate should appear as 3.75 Gbps and Sync Status should have a check mark. FFT plot of IDAC output is in Figure 6.

Hardware Setup

A low phase noise high frequency clock source should be connected to the SMA connector J1, This is the DACCLK input. The spectrum analyzer should be connected to the SMA connector,J4 or J17. The evaluation board connects to the ADS7 through the connectors P3. The PC should be connected to the EVB using the mini-USB connector XP2 after installation of the Evaluation Board software. Figure 1 shows the block diagram of the set-up.

Initial Set-Up

1. Install ACE software or SPIPro software and support files on your PC. Follow the instructions in the installation wizard and use the default (recommended) installation settings.

2. Plug the AD9152-FMC-EBZ into port FMC_1 of the ADS7 System. Use a USB cable to connect the EVB to your PC and connect the lab equipment to the EVB as shown in Figure 1.

3. Connect the ADS7 unit to your PC via USB and turn on the ADS7.

Single-Tone Test

These settings configure the AD9152 to output a sine wave using the ADS7 and allow the user to view the single-tone performance at the DAC output, under the condition: Fdata = 375MHz, 4X interpolation, Fout = 100MHz.

Following settings configure the AD9152 to output a 100Mhz (-10dbFS) sine wave using the ADS7 on both 2 of AD9152 DACs.

- Configure the hardware according to the hardware set-up instructions given in the Hardware Setup section above. Set the frequency of the DAC clock signal generator to 1500MHz, and the output level to 3dBm. The spectrum analyzer can be configured as shown in Figure 6 with a resolution bandwidth of 30kHz. Choose an Input Attenuation of 10dB.

Using ACE

1. Open DPG Downloader Lite. It will say AD9152 as shown in Figure 3.

Figure 3. Initial DPG Downloader Panel

2. Open ACE from the start window. It can be found by following the file path to the program or by searching in the windows search bar for “ACE.” The icon indicates the ACE software.

3. If the board is connected properly, ACE will detect it and display it on the Start page under “Attached Hardware.” Double click this board.

Figure 4. The detected AD9152 in ACE.

4. Ensure that the button is green in the subsystem image under the “System” tab. If not, click it, select the AD9152, and click “Acquire.” Double click on the subsystem image.

Figure 5. The AD9152 system.

5. To the left of the board diagram, click “Modify” under “Initial Configuration Summary” to edit the DAC and PLL setup of the board. In some cases, the “Initial Configuration” page will already be shown.

Figure 6. The board block diagram of the AD9152.

6. Alter the inputs to match the figure below. Click “Apply.”

Figure 7. Inputs for the Initial Configuration of the AD9152.

7. Double click on the dark blue AD9152 on the board diagram. Ensure that the settings of the AD9152 match with the chip diagram in the figure below and click “Apply Changes.” The “Poll Devices” button and JESD PLL Locked should both be enabled. If neither are enabled, click “Read All” or reset the board, reset the chip, and reapply the settings for the board and chip. For more information about ACE, see the “ACE Software Features” section.

Figure 8. The chip block diagram of the AD9152.

8. On the DPGDownloader panel, select Single Tone under the Add Generated Waveforms Tab. Set Data Rate: 375Mhz, Desired Frequency: 100Mhz, Amplitude: -10dbFS, Uncheck Unsigned Data, Check Generate Complex Data (I and Q).

9. Click Download () and Play () in the DPG Downloader screen. The spectrum in Figure 10 will appear on all 2 DAC outputs (J17, J4, ), Serial Line Rate will be 3.75Gsps.

Figure 9. AD9152-FMC-EBZ Fully Configured DPG Downloader Display

10.Here is what you will see at the output of DAC0 on the Spectrum Analyzer.

Figure 10. DAC Output Spectrum Analyzer Display

Using SPIPro

1. On your lab computer, open the SPIPro application (Start > All Programs > Analog Devices > AD9152 > SPIPro). You will see the GUI shown in Figure 12 come up. Run DPG Downloader Lite. It will say AD9152 as shown in Figure 11.

Figure 11. Initial DPG Downloader Panel

2. Open SPIPro. It will show AD9152-FMC-EBZ in the upper left hand corner.

3. Select single link, JESD mode 4, Interpolation 4. Press ‘Configure DAC and Clock’ button. JESD204B PLL lock will turn green.

Figure 12. Fully Configured SPIPro Display

4. Select Single Tone under the Add Generated Waveforms Tab. Set Data Rate: 375Mhz, Desired Frequency: 100Mhz, Amplitude: -10dbFS, Uncheck Unsigned Data, Check Generate Complex Data (I and Q).

5. Click Download () and Play () in the DPG Downloader screen. The spectrum in figure 6 will appear on all 2 DAC outputs (J17, J4, ), Serial Line Rate will be 3.75Gsps.

Figure 13. AD9152-FMC-EBZ Fully Configured DPG Downloader Display

6. Here is what you will see at the output of DAC0 on the Spectrum Analyzer.

Figure 14. DAC Output Spectrum Analyzer Display
resources/eval/dpg/ad9152-fmc-ebz.1659436900.txt.gz · Last modified: 02 Aug 2022 12:41 by Shine Cabatan

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