LMX2581EVM

LMX2581 evaluation module

LMX2581EVM

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Overview

The LMX2581 Wideband frequency synthesizer allows the generation of a broad range of frequencies with excellent phase noise. The LMX2581 Reference Board (LMX2581EVM) is designed to assist in the evaluation of the LMX2581 in a system, as well as serve as a reference design for the customer’s system. All that are required, in addition to the Reference Board kit, in order to use it are a PC and phase noise analyzer. This evaluation board can be evaluated and controlled via CodeLoader, which has been developed for use with it. The CodeLoader software gives full control over the device as well as being able to be called through Active X through programs such as Excel and Labview. The features of this board are designed to allow for maximum flexibility and convenience. The default configuration has an XO and both differential outputs attached. However, components can be changed to allow an external signal generator to drive this. In addition to this, an external VCO can also be added with a passive or active loop filter.

Features
  • LED to indicate lock
  • Accomidations for on board external VCO or external oscillator input
  • Serial control through USB
RF PLLs & synthesizers
LMX2581 3.76-GHz wideband frequency synthesizer with integrated VCO LMX2581E 3.8-GHz wideband frequency synthesizer with integrated VCO
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Get started

  1. Order the LMX2581EVM
  2. Download and install TICSPRO-SW and PLLATINUMSIM-SW
  3. Read the LMX2581EVM user's guide
  4. Configure registers on TICSPRO-SW and simulate performance on PLLATINUMSIM-SW

Order & start development

Evaluation board

LMX2581EVM — LMX2581 evaluation module

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Support software

TICSPRO-SW — TICS Pro v1.7.7.2, 05-Feb-2024

Supported products & hardware
Download options

TICSPRO-SW TICS Pro v1.7.7.2, 05-Feb-2024

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Latest version
Version: 1.7.7.2
Release date: 05 Feb 2024
lock TICSPro_1.7.7.2_05-Feb-2024.exe  — 131084 K

TICS Pro 1.7.7.2 installer binary for Windows operating system

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lock = Requires export approval (1 minute)
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RF PLLs & synthesizers
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Oscillators
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Hardware development
Evaluation board
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Documentation

TICS Pro 1.7.7.2 Release Notes

TICS Pro 1.7.7.2 Software Manifest

Release Infomation

Bug Fixes

  • Fix locale issue causing floating point numbers to be parsed incorrectly in some locales
  • Fix incorrect check for .NET Framework 4.8
  • Stack trace include in error log when available
  • Fix LMK05318B EEPROM export text to properly display "R157" instead of "R171"
  • USB2ANY firmware revision update: v2.9.1.2
    • If pin 77 of MSP430 was grounded, v2.9.1.1 firmware would not initialize I2C on the correct pins. This is corrected in v2.9.1.2
    • Update affects Reference PRO, LMX1214, and LMX1906-SP evaluation modules

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 LMX1214, LMX1906-SP
  • USB2ANY firmware revision update: v2.9.1.2
TI's Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Type Title Date
Certificate LMX2581EVM EU Declaration of Conformity (DoC) 02 Jan 2019
Data sheet LMX2581 Wideband Frequency Synthesizer with Integrated VCO datasheet (Rev. G) PDF | HTML 05 Sep 2014
EVM User's guide LMX2581EVM User's Guide (Rev. C) 25 Nov 2013

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