ZHCU772 December   2021

 

  1.   说明
  2.   资源
  3.   特性
  4.   应用
  5.   5
  6. 1System Overview
    1. 1.1 Key System Level Specifications
    2. 1.2 System Description
    3. 1.3 Block Diagram
    4. 1.4 Design Considerations
      1. 1.4.1 Frequency Band and Applications
        1. 1.4.1.1 RF Transceiver Synchronization Challenges
        2. 1.4.1.2 JESD204B-Compliant Multichannel Phase Synchronized Clocks Generation
      2. 1.4.2 Clock Jitter and System SNR
      3. 1.4.3 Power-Supply Selection
      4. 1.4.4 Highlighted Products
        1. 1.4.4.1 AFE7950
        2. 1.4.4.2 LMX2820
        3. 1.4.4.3 LMK04832
        4. 1.4.4.4 TPS62913 and TPS62912
        5. 1.4.4.5 LMK1C1104
  7. 2Hardware, Software, Testing Requirements, and Test Results
    1. 2.1 Required Hardware and Software
      1. 2.1.1 Hardware
        1. 2.1.1.1 Clocking Board Setup
        2. 2.1.1.2 FMC-to-FMC Adapter Board Setup
        3. 2.1.1.3 AFE7950EVM Setup
        4. 2.1.1.4 TSW14J56EVM Setup
        5. 2.1.1.5 Hardware Setup of Multiple Transceiver Synchronization
      2. 2.1.2 Software
        1. 2.1.2.1 TIDA-010230 Clocking Board GUI
        2. 2.1.2.2 AFE7950 EVM GUI
        3. 2.1.2.3 High-Speed Data Converter (HSDC) Pro
        4. 2.1.2.4 Programming Steps
        5. 2.1.2.5 Clocking Board Programming Sequence
        6. 2.1.2.6 Latte SW and HSDC Pro Setup
    2. 2.2 Test Setup
    3. 2.3 Test Results
      1. 2.3.1 LMX2820 Phase-Noise Performance
      2. 2.3.2 AFE7950 Transmitter Performance
      3. 2.3.3 AFE7950 Receiver Performance
      4. 2.3.4 Multiple AFE7950s TX and RX Alignment
      5. 2.3.5 Summary and Conclusion
  8. 3Design and Documentation Support
    1. 3.1 Design Files
      1. 3.1.1 Schematics
      2. 3.1.2 BOM
    2. 3.2 Tools and Software
    3. 3.3 Documentation Support
    4. 3.4 支持资源
    5. 3.5 Trademarks
  9. 4About the Author
  10. 5Acknowledgement

2.1.2.6 Latte SW and HSDC Pro Setup

Once the clocking board is programmed, open the Latte software and HSDC Pro software on the same test PC.

For a synchronization test, each AFE7950EVM and TSW14J56EVM pair must be connected to a separate PC running the Latte software and HSDC Pro software.

  1. Select the AFE79xx_TSW14J56_Mode1_Ext_SYSREF_1.py automation script and run (press F5) in Latte SW. The script will bypass the external SYSREF through the onboard LMK04828, configure AFE7950 device and configure the TSW14J56EVM. Also synchronize the both AFE7950 devices in different EVMs.
  2. After AFE EVM setup and HSDC Pro setup, run step 3 from Section 2.1.2.5
  3. For the synchronization test, use HSDC pro tools in trigger mode
GUID-20211018-SS0I-4G4F-5RB7-BHHFJNPFNSD0-low.png Figure 2-6 AFE7950 GUI
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