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Texas Instruments LMX2531-xxxx User Manual
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Texas Instruments LMX2531-xxxx User Manual

Texas Instruments LMX2531-xxxx User Manual

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LMX2531-xxxx Evaluation Board
User's Guide
November 2013
SNAU077A

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Summary of Contents for Texas Instruments LMX2531-xxxx

  • Page 1 LMX2531-xxxx Evaluation Board User's Guide November 2013 SNAU077A...
  • Page 2 LMX2531-xxxx High Performance Frequency Synthesizer System with Integrated VCO Evaluation Board Operating Instructions LMX2531-xxxx Evaluation Board User’s Guide SNAU077A November 2013 Copyright © 2013, Texas Instruments Incorporated www.ti.com...

  • Page 3: Table Of Contents

    NFORMATION A: S ................................. 27 PPENDIX CHEMATICS B: B ..............................28 PPENDIX UILD IAGRAM C: Q EVM C ......................30 PPENDIX UICK TART ON OMMUNICATION LMX2531-xxxx Evaluation Board User’s Guide November 2013 SNAU077A Copyright © 2013, Texas Instruments Incorporated www.ti.com...

  • Page 4: Equipment

    Oscilloscope The oscilloscope and probes should be capable of measuring the output frequencies of interest when evaluating this board. The Agilent Infiniium DSO81204A was used in creating these evaluation board instructions. LMX2531-xxxx Evaluation Board User’s Guide SNAU077A November 2013 Copyright © 2013, Texas Instruments Incorporated...

  • Page 5: Basic Operation

    Laptop or PC Laptop or PC 4. Start CodeLoader4.exe. 5. Select USB or LPT Communication Mode on the Port Setup tab as appropriate. LMX2531-xxxx Evaluation Board User’s Guide November 2013 SNAU077A Copyright © 2013, Texas Instruments Incorporated www.ti.com...
  • Page 6 6. Click “Select Device”  “PLL-VCO”  LMX2531xxxx depending on which chip is on your board. 7. Check your window with “PLL/VCO” Tab screenshot, 10 MHz input, but with VCO output will be different depending on which LMX2531xxxx you selected LMX2531-xxxx Evaluation Board User’s Guide SNAU077A November 2013 Copyright ©...

  • Page 7: Lmx2531-Xxxx Board Information

    1712 – 1772 MHz TCXO Frequency Output Frequency 10 MHz VCO Gain Supply Voltage 2.7 Volts 7.9-84.7i kHz CPout 40 K 40 K Vtune 100 pF 100 pF LMX2531-xxxx Evaluation Board User’s Guide November 2013 SNAU077A Copyright © 2013, Texas Instruments Incorporated www.ti.com...
  • Page 8 LMX2531-xxxx LMX2531-xxxx Evaluation Board User’s Guide SNAU077A November 2013 Copyright © 2013, Texas Instruments Incorporated www.ti.com...
  • Page 9 LMX2531-xxxx Evaluation Board User’s Guide November 2013 SNAU077A Copyright © 2013, Texas Instruments Incorporated www.ti.com...
  • Page 10 LMX2531-xxxx Evaluation Board User’s Guide SNAU077A November 2013 Copyright © 2013, Texas Instruments Incorporated www.ti.com...
  • Page 11 LMX2531-xxxx Evaluation Board User’s Guide November 2013 SNAU077A Copyright © 2013, Texas Instruments Incorporated www.ti.com...
  • Page 12 LMX2531-xxxx Evaluation Board User’s Guide SNAU077A November 2013 Copyright © 2013, Texas Instruments Incorporated www.ti.com...
  • Page 13 LMX2531-1570 Spurs 1540 MHz 1570 MHz 1600 MHz LMX2531-xxxx Evaluation Board User’s Guide November 2013 SNAU077A Copyright © 2013, Texas Instruments Incorporated www.ti.com...
  • Page 14 LMX2531-1742 Spurs 1712 MHz 1742 MHz 1772 MHz LMX2531-xxxx Evaluation Board User’s Guide SNAU077A November 2013 Copyright © 2013, Texas Instruments Incorporated www.ti.com...
  • Page 15 LMX2531-1778 Spurs 1748 MHz 1778 MHz 1808 MHz LMX2531-xxxx Evaluation Board User’s Guide November 2013 SNAU077A Copyright © 2013, Texas Instruments Incorporated www.ti.com...
  • Page 16 LMX2531-1950 Spurs 1920 MHz 1950 MHz 1980 MHz LMX2531-xxxx Evaluation Board User’s Guide SNAU077A November 2013 Copyright © 2013, Texas Instruments Incorporated www.ti.com...
  • Page 17 LMX2531-2140 Spurs 2110 MHz 2140 MHz 2170 MHz LMX2531-xxxx Evaluation Board User’s Guide November 2013 SNAU077A Copyright © 2013, Texas Instruments Incorporated www.ti.com...
  • Page 18 LMX2531-2265 Spurs 2235 MHz 2265 MHz 2295 MHz LMX2531-xxxx Evaluation Board User’s Guide SNAU077A November 2013 Copyright © 2013, Texas Instruments Incorporated www.ti.com...
  • Page 19 LMX2531-2294 Spurs 2264 MHz 2294 MHz 2324 MHz LMX2531-xxxx Evaluation Board User’s Guide November 2013 SNAU077A Copyright © 2013, Texas Instruments Incorporated www.ti.com...
  • Page 20 LMX2531-1570 Lock Time LMX2531-xxxx Evaluation Board User’s Guide SNAU077A November 2013 Copyright © 2013, Texas Instruments Incorporated www.ti.com...
  • Page 21 LMX2531-1742 Lock Time LMX2531-xxxx Evaluation Board User’s Guide November 2013 SNAU077A Copyright © 2013, Texas Instruments Incorporated www.ti.com...
  • Page 22 LMX2531-1778 Lock Time LMX2531-xxxx Evaluation Board User’s Guide SNAU077A November 2013 Copyright © 2013, Texas Instruments Incorporated www.ti.com...
  • Page 23 LMX2531-1950 Lock Time LMX2531-xxxx Evaluation Board User’s Guide November 2013 SNAU077A Copyright © 2013, Texas Instruments Incorporated www.ti.com...
  • Page 24 LMX2531-2140 Lock Time LMX2531-xxxx Evaluation Board User’s Guide SNAU077A November 2013 Copyright © 2013, Texas Instruments Incorporated www.ti.com...
  • Page 25 LMX2531-2265 Lock Time LMX2531-xxxx Evaluation Board User’s Guide November 2013 SNAU077A Copyright © 2013, Texas Instruments Incorporated www.ti.com...
  • Page 26 LMX2531-2294 Lock Time LMX2531-xxxx Evaluation Board User’s Guide SNAU077A November 2013 Copyright © 2013, Texas Instruments Incorporated www.ti.com...

  • Page 27: Appendix A: Schematics

    Appendix A: Schematics LMX2531-xxxx Evaluation Board User’s Guide November 2013 SNAU077A Copyright © 2013, Texas Instruments Incorporated www.ti.com...

  • Page 28: Appendix B: Build Diagram

    Appendix B: Build Diagram Top Overlay LMX2531-xxxx EVM Master User’s Guide SNAU077A November 2013 Copyright © 2013, Texas Instruments Incorporated www.ti.com...
  • Page 29 Bottom Overlay LMX2531-xxxx Evaluation Board User’s Guide November 2013 SNAU077A Copyright © 2013, Texas Instruments Incorporated www.ti.com...

  • Page 30: Evm Communication

    There are two options in communicating with the uWire interface from the computer. OPTION 1 Open Codeloader.exe  Click “Select Device”  Click “Port Setup” tab  Click “LPT” (in Communication Mode) OPTION 2 LMX2531-xxxx Evaluation Board User’s Guide November 2013 SNAU077A Copyright © 2013, Texas Instruments Incorporated...
  • Page 31 Example adapter configuration (LMK01801) Open Codeloader.exe  Click “Select Device”  Click “Port Setup” Tab  Click “USB” (in Communication Mode) *Remember to also make modifications in “Pin Configuration” Section according to Table above. LMX2531-xxxx Evaluation Board User’s Guide November 2013 SNAU077A Copyright ©...

  • Page 32: Important Notice

    IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue.