SNAU246A June   2020  – January 2021 LMX2820

 

  1. 1Trademarks
  2. 2LMX2820EVM Evaluation Module
    1. 2.1 Evaluation Module Contents
    2. 2.2 Evaluation Setup Requirement
    3. 2.3 Resources
  3. 3Setup
    1. 3.1 Connection Diagram
    2. 3.2 Power Supply
    3. 3.3 Reference Clock
    4. 3.4 RF Output
    5. 3.5 Programming
    6. 3.6 Evaluation Software
  4. 4Typical Measurement
    1. 4.1 Default Configuration
      1. 4.1.1 Loop Filter
      2. 4.1.2 Typical Output
    2. 4.2 Additional Tests
      1. 4.2.1 SYSREF Example
      2. 4.2.2 Offset Mixing With PFDIN Pin
      3. 4.2.3 External VCO Mode
      4. 4.2.4 Register Readback
  5. 5Schematic
  6. 6PCB Layout and Layer Stack-Up
    1. 6.1 PCB Layer Stack-Up
    2. 6.2 PCB Layout
  7. 7Bill of Materials
  8. 8Troubleshooting Guide
    1.     A Using Different Reference Clock
      1.      B USB2ANY Firmware Upgrade
        1.       C Revision History

Evaluation Software

Download and install TICS Pro to a PC.

Run the software and follow these steps to start the program.

  1. Go to Select DevicePLL + VCOLMX2820.
    GUID-D0929EAE-47AB-497E-B607-FF3A8129D04D-low.png Figure 3-2 Select Device in TICS Pro
  2. The "ReadMe" page will load. Please take a minute to read the content to have a basic understanding of the GUI.
  3. Go to Default ConfigurationEVM Default Mode.
    GUID-97652C79-163D-4416-9156-77C7190CE3AD-low.png Figure 3-3 Default Mode