Texas Instruments LMX2615EVM-CVAL User Manual Download Page 18

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Set for 100 MHz
Jumper FS1 = GND
Jumper FS0 = GND

Set for LVPECL Output
Jumper OE = Vdd
Jumper OS = GND

SNAU218 – November 2018

Proper Jumper and Switch Positions

Appendix D

SNAU218 – November 2018

Proper Jumper and Switch Positions

Reference Pro Board

Figure 16. Reference Pro Board Jumper Positions

Summary of Contents for LMX2615EVM-CVAL

Page 1: ...LMX2615EVM CVAL Wideband 15 GHz Synthesizer User s Guide Literature Number SNAU218 November 2018 ...

Page 2: ...ontents 1 Evaluation Board Setup and Description 4 2 Setting Up the Software 5 3 Bringing LMX2615 to a Lock State 6 4 Current Loop Filter Configuration 7 5 Typical Phase Noise 8 Appendix A Schematic 10 Appendix B Bill of Materials 11 Appendix C PCB Board Specifications 13 Appendix D Proper Jumper and Switch Positions 18 ...

Page 3: ... Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated LMX2615EVM CVAL Wideband 15 GHz Synthesizer User s Guide SNAU218 November 2018 LMX2615EVM CVAL Wideband 15 GHz Synthesizer Figure 1 LMX2615EVM CVAL ...

Page 5: ... Setting Up the Software 1 Download the TICS Pro from the TI Website at www ti com tool TICSPRO SW and install 2 From the menu bar choose Select Device PLL VCO LMX2615 Figure 3 Search for LMX2615 on TICS Pro 3 Verify the communication setup with Reference Pro To do this select USB communications Interface Click on the identify button and the LED on the Reference Pro should blink ...

Page 8: ...018 Texas Instruments Incorporated LMX2615EVM CVAL Wideband 15 GHz Synthesizer 5 Typical Phase Noise Figure 6 Typical Phase Noise with Wenzel 100 MHz Input Figure 7 PLLatinum Sim Simulation Result for Phase Noise with Wenzel 100 MHz Input Total Trace Simulation Comparison Trace Actual Measurement ...

Page 9: ...ack Copyright 2018 Texas Instruments Incorporated LMX2615EVM CVAL Wideband 15 GHz Synthesizer Figure 8 Typical Phase Noise 100 MHz Reference Pro as Input Figure 9 PLLatinum Sim Simulation using 100 MHz Reference Pro as Input Total Trace Simulation Comparison Trace Actual Measurement ...

Page 13: ... Power Layer FR4 Hr 4 Thickness not critical Bottom Layer 62 mils total board thickness 13 SNAU218 November 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated PCB Board Specifications Appendix C SNAU218 November 2018 PCB Board Specifications Figure 11 Board Layer Stack Up ...

Page 18: ...Jumper OS GND 18 SNAU218 November 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated Proper Jumper and Switch Positions Appendix D SNAU218 November 2018 Proper Jumper and Switch Positions Reference Pro Board Figure 16 Reference Pro Board Jumper Positions ...