Texas Instruments LMX2615EVM-CVAL Скачать руководство пользователя страница 5 | Manualshive

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Setting Up the Software

5

SNAU218 – November 2018

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Copyright © 2018, Texas Instruments Incorporated

LMX2615EVM-CVAL Wideband 15-GHz Synthesizer

2

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.

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Содержание LMX2615EVM-CVAL

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

Страница 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 ...

Страница 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 ...

Страница 4: ...ect to VCC SMA 2 Input Signal a The EVM is designed for a 100 MHz input reference that should be connected to the OSCin SMA Some of the options for this could be a signal generator the 100 MHz output from the Reference Pro board or a very clean signal source such as the Wenzel 501 4623G ultra low phase noise 100 MHz reference 3 Programming Interface Reference Pro will provide SPI interface to prog...

Страница 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 ...

Страница 6: ...ear In this case the feedback suggests that CAL_CLK_DIV and VCO_SEL can be adjusted to improve the VCO calibration time SEG1_EN could be disabled for better spurs and lower current and that FCAL_EN should be toggled to calibrate the VCO Mouse over any item and it will display the field value in the lower left corner including the field name register location and description On the bottom is the st...

Страница 7: ...Current Loop Filter Configuration PARAMETER VALUE VCO Gain 132 MHz V Loop Bandwidth 285 kHz Phase Margin 65 deg C1_LF 390 pF C2_LF 68 nF C3_LF Open C4_LF 1800 pF R2 68 Ω R3_LF 0 Ω R4_LF 18 Ω Effective Charge Pump Gain 15 mA Phase Detector Frequency MHz 200 MHz VCO Frequency Designed for 15 GHz but works over the whole frequency range Figure 5 Current Loop Filter Configuration For detailed design a...

Страница 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 ...

Страница 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 ...

Страница 10: ...10 SNAU218 November 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated Schematic Appendix A SNAU218 November 2018 Schematic Figure 10 Schematic ...

Страница 11: ...LED Green SMD Lite On LTST C190GKT 1 12 K1 Reference Pro SV601349 Kitting only EDGE 6607586 Texas Instruments SV601349 1 13 K2 Cable USB A Mini Kitting only Qualtek Q362 ND 1 14 K3 10 Pin Ribbon Cable Kitting only 3M M3DDA 1006J 1 15 K4 K5 SMA SMA Kitting only Amphenol RF Division 132168 2 16 L1 L2 Inductor Multilayer Air Core 18 nH 0 3 A 0 36 ohm SMD MuRata LQG15HS18NJ02D 2 17 LBL1 Thermal Transf...

Страница 12: ...F 1 35 Vcc_Header Header 2 54mm 7x2 Gold Black SMT Sullins Connector Solutions GBC07DABN M30 1 36 U1 LMX2615HBD HBD0064A CFP 64 Texas Instruments LMX2615HBD 1 Components of Quantity 0 are DNP 37 C3_LF CAP CERM 300 pF 100 V 5 C0G NP0 0603 MuRata GRM1885C2A301JA01D 0 38 C13 CAP CERM 1 uF 16 V 10 X7R 0603 TDK C1608X7R1C105K080AC 0 39 FID5 FID6 FID7 FID10 FID11 FID12 Fiducial mark There is nothing to ...

Страница 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 ...

Страница 14: ...Appendix C www ti com 14 SNAU218 November 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated PCB Board Specifications Figure 12 Top Layer ...

Страница 15: ...www ti com Appendix C 15 SNAU218 November 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated PCB Board Specifications Figure 13 Ground Layer ...

Страница 16: ...Appendix C www ti com 16 SNAU218 November 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated PCB Board Specifications Figure 14 Power Layer ...

Страница 17: ...www ti com Appendix C 17 SNAU218 November 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated PCB Board Specifications Figure 15 Bottom Layer ...

Страница 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 ...

Страница 19: ...to power each individual Vcc Pin The bottom header can be left off as this is for GND FS Switches All 8 switches should be all the way to the left This is for the default of SPI mode www ti com Appendix D 19 SNAU218 November 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated Proper Jumper and Switch Positions Figure 17 EVM Jumper and Switch Positions ...

Страница 20: ...se resources are subject to change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reproduction and display of these resources is prohibited No license is granted to any other TI intellectual property right or to any third party intellectual property right TI disclaims responsibility for...

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