Datasheet

November 2013 LMK040xx Evaluation Board User’s Guide SNAU045A 3
Copyright © 2013, Texas Instruments Incorporated
www.ti.com
TABLE OF CONTENTS
EQUIPMENT .................................................................................................................................................................................. 4
BASIC OPERATION ........................................................................................................................................................................ 5
LMK040XX BOARD INFORMATION ............................................................................................................................................ 11
XTAL OSC OPTION PLL 1 LOOP FILTER ................................................................................................................................... 16
XTAL OPTION PLL 2 LOOP FILTER ........................................................................................................................................... 16
100 MHZ VCXO OPTION PLL 1 LOOP FILTER ........................................................................................................................... 17
100 MHZ VCXO OPTION PLL 2 LOOP FILTER ........................................................................................................................... 17
61.44 MHZ VCXO OPTION PLL 1 LOOP FILTER ........................................................................................................................ 17
61.44 MHZ VCXO PLL 2 LOOP FILTER ..................................................................................................................................... 18
EVALUATION BOARD NOTES ...................................................................................................................................................... 18
EVALUATION BOARD INPUTS/OUTPUTS ..................................................................................................................................... 18
TYPICAL PHASE NOISE PERFORMANCE ...................................................................................................................................... 21
APPENDIX B: BOARD LAYERS STACKUP.................................................................................................................................... 28
APPENDIX C: BILL OF MATERIALS ............................................................................................................................................ 29
APPENDIX D: TYPICAL BALUN BOARD FREQUENCY RESPONSE ............................................................................................... 32
APPENDIX E: CHANGING ACTIVE ON-BOARD OSCILLATOR FOR PLL1 ....................................................................................... 33
APPENDIX F: QUICK START FOR EVM COMMUNICATION .......................................................................................................... 39