LMX2572EVM

6.4-GHz Low Power Wideband RF Synthesizer with Phase Synchronization and JESD204B Support

LMX2572EVM

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Overview

This Evaluation Module is for the LMX2572, which is a low-power high-performance wideband synthesizer that can generate any frequency from 13 MHz to 6.4 GHz without using an internal doubler. The PLL delivers excellent performance while consuming just 75 mA from a single 3.3-V supply. This device supports JESD204B standard (it can generate or repeat the SYSREF signal) which makes it ideal to clock high speed data converters. By providing a SYNC signal, the user can synchronize the output phase across multiple LMX2572 devices. LMX2572 can also generate a frequency ramp which can be demonstrated in this evaluation module. Furthermore, LMX2572 supports direct digital FSK modulation. The serial interface can be configured as a SPI or I2S interface for this purpose. The kitted Refernce Pro module is used to provide a clean reference clock as well as to program the LMX2572 evaluation module.

Features
  • 13-MHz to 6.4-GHz Output Frequency
  • -106 dBc/Hz Phase Noise at 100 kHz Offset with 6.4 GHz Carrier
  • 75 mA operation current with one direct VCO output
  • Two differential outputs with programmable output power
  • This EVM has the complete circuit for the synthesizer, optimized and tested for performance, and includes a USB programming module
RF PLLs & synthesizers
LMX2572 6.4-GHz low-power wideband RF synthesizer
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Get started

  1. Order the LMX2572EVM
  2. Download and install TICSPRO-SW and PLLATINUMSIM-SW
  3. Read the LMX2572EVM user's guide
  4. Configure registers on TICSPRO-SW and simulate performance on PLLATINUMSIM-SW

Order & start development

Evaluation board

LMX2572EVM — 6.4-GHz Low Power Wideband RF Synthesizer with Phase Synchronization and JESD204B Support

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TICSPRO-SW — TICS Pro software

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Version: 1.7.7.3
Release date: 17 May 2024
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Documentation

TICS Pro 1.7.7.3 Release Notes

TICS Pro 1.7.7.3 Software Manifest

Release Infomation

New Devices

  • Added LMX1404-EP, LMX1860-SEP, and LMKDB1204

Bug Fixes

  • Stability improvements to TCP server
  • Catch WMI exceptions on USB malfunction
  • Warnings (a low-level class of error) now trigger a status bar update instead of just a log entry
  • LMK04832 - fractions module and current calculator fixes
  • CDCE6214-Q1 - frequency planner fix
  • LMX2594/LMX2595 - ramp function fix
  • LMX2694 - remove CE pin (invalid option on this device)
  • LMK3H0102 - current calculator, PPM, and OE pin updates
  • LMX1204, LMX1214, LMX1906-SP - many bugfixes
  • PCIe Report Generator tool - delimiter and NaN handling fixes

Known Issues

  • LMK5C33216
    • When cascading from VCO3 to DPLL input, the divide value must manually be entered into DPLLx_REF5_RDIV as ( VCO3 output frequency / DPLLx TDC frequency )
  • LMK05318
    • In some cases, it is necessary to press "Calculate Frequency Plan" twice for correct VCO2 frequency. This issue is resolved in LMK05318B GUI.
  • Burst mode page looping requires long delays to halt, and halting may crash the GUI. If possible, do not loop in burst mode.
  • User Controls page can sometimes become desynchronized from Raw Registers and other pages. Refer to Raw Registers or other pages for correct values. Saving/Loading and Import/Export of register data is unaffected, and register data will still be written to and read from connected devices correctly.

 

What's new

  • Added LMX1404-EP, LMX1860-SEP, and LMKDB1204
TI's Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Type Title Date
* EVM User's guide LMX2572EVM Evaluation Instructions (Rev. B) 19 Jul 2019
Data sheet LMX2572 6.4-GHz Low power wideband RF synthesizer with phase synchronization and JESD204B support datasheet (Rev. B) PDF | HTML 29 Jan 2019
Certificate LMX2572EVM EU Declaration of Conformity (DoC) 02 Jan 2019

Related design resources

Hardware development

EVALUATION BOARD
XMICR-3P-LMX2572 LMX2572 X-MWblock evaluation modules

Software development

APPLICATION SOFTWARE & FRAMEWORK
TICSPRO-SW Texas Instruments Clocks and Synthesizers (TICS) Pro Software

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