2-GHz Low Power Wideband RF Synthesizer with FSK Modulation Evaluation Module


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This Evaluation Module (EVM) is for the LMX2572LP, which is a low-power high-performance wideband synthesizer that can generate any frequency from 12.5 MHz to 2 GHz without using an internal doubler. The PLL delivers excellent performance while consuming just 70 mA from a single 3.3-V supply. By providing a SYNC signal, the user can synchronize the output phase across multiple LMX2572LP devices. LMX2572LP can also generate a frequency ramp which can be demonstrated in this evaluation module. Furthermore, LMX2572LP 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 LMX2572LP evaluation module.

  • 12.5-MHz to 2-GHz output frequency 
  • -124 dBc/Hz Phase noise at 100-kHz offset with 800-MHz carrier
  • 70-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

Reference PRO(SV601349) IDC cable (M3DDA-1006J) USB cable (Q362-ND) 2x sma adapter (132168)

RF PLLs & synthesizers
LMX2572LP 2-GHz low power wideband RF synthesizer with FSK modulation

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Evaluation board

LMX2572LPEVM – 2-GHz Low Power Wideband RF Synthesizer with FSK Modulation Evaluation Module

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Technical documentation

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Type Title Date
* User guide LMX2572LPEVM Evaluation Instructions May 24, 2018
Certificate LMX2572LPEVM EU Declaration of Conformity (DoC) Jan. 02, 2019
Data sheet LMX2572LP 2-GHz Low Power Wideband RF Synthesizer With FSK Modulation datasheet May 24, 2018

Related design resources

Software development

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

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