LMX2594EVM 15-GHz wideband RF synthesizer with phase synchronization & JESD204B evaluation module


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The LMX2594EVM evaluation module (EVM) is a platform for developing the LMX2594. LMX2594 is the first PLL with an integrated voltage-controlled oscillator (VCO) in the industry to get fundamental VCO output up to 15 GHz. The industry leading PLL figure of merit (FOM) is –236 dBc/Hz with 1/f of –129 dBc/Hz. This device supports JESD204B standard (it can generate or repeat the SYSREF signal), which makes it ideal to clock high-speed data converters. The integrated jitter from the EVM measurements is less than 50 fs at a 9-GHz carrier frequency. By providing a SYNC signal, the user can synchronize the output phase across multiple LMX2594 devices. The LMX2594 device can also generate a frequency ramp that can be demonstrated in this evaluation module. With an onboard oscillator, the setup process only requires a 3.3-V power supply and the included Reference Pro module (for the SPI programming interface). The software is simple with an intuitive and user-friendly GUI.

  • 10-MHz to 15-GHz output frequency 
  • –110-dBc/Hz phase noise at 100-kHz offset with 15-GHz carrier
  • 45-fs rms jitter at 7.5 GHz (100 Hz to 100 MHz) 
  • Two differential outputs with programmable output power up to 7 dBm at 15 GHz 
  • A complete circuit for the synthesizer that is optimized and tested for performance and includes a USB programming module

  • Reference Pro
  • LMX2594EVM

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Get started

  1. Order the LMX2594EVM
  2. Download and install TICSPRO-SW and PLLATINUMSIM-SW
  3. Read the LMX2594EVM user's guide
  4. Configure registers on TICSPRO-SW and simulate performance on PLLATINUMSIM-SW

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Evaluation board

LMX2594EVM — LMX2594 evaluation module for 15-GHz wideband RF synthesizer with phase synchronization and JESD204B

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Design files

Technical documentation

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Type Title Date
* EVM User's guide LMX2594EVM User's Guide (Rev. B) PDF | HTML 27 Aug 2021
Data sheet LMX2594 15-GHz Wideband PLLATINUM™ RF Synthesizer With Phase Synchronization and JESD204B Support datasheet (Rev. C) PDF | HTML 17 Apr 2019
Certificate LMX2594EVM EU Declaration of Conformity (DoC) (Rev. A) 02 Jan 2019

Related design resources

Hardware development

XMICR-3P-LMX2594 LMX2594 X-MWblock evaluation modules

Software development

TICSPRO-SW Texas Instruments Clocks and Synthesizers (TICS) Pro Software

Support & training

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