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Overview

Features and Benefits

  • Simple power connection using USB connection and on-board LDO voltage regulators
  • LDOs can be bypassed for power measurements
  • AC-coupled differential SMA connectors
  • SMA connectors for
    2 reference Inputs
    6 clock outputs
    1 VCXO output
  • Microsoft Windows®–based evaluation software with simple graphical user interface
  • On-board PLL loop filter
  • Easy access to digital input/output and diagnostic signals via input/output header (4 GPIOs)
  • Status LEDs for diagnostic signals
  • USB computer interface

Product Details

The HMC7044 meets the requirements of multi-carrier GSM and LTE base-station designs and offers a wide range of clock management and distribution features to simplify baseband and radio card clock tree designs. The high performance dual-loop core of the HMC7044 enables the base station designer to attenuate the incoming jitter of a primary system reference clock, such as a CPRI source, with the help of the narrow-band configured first PLL loop, which disciplines an external VCXO, and generate the low phase noise, high frequency clocks with the wider-band second PLL to drive data converter sample clock inputs.


The EK1HMC7044LP10B evaluation board is a compact, easy-to-use platform for evaluating all the features of the HMC7044. A 122.88 MHz VCXO is mounted on the evaluation board to provide a complete solution. All inputs and outputs are configured as differential on the evaluation board.


Full specifications on the HMC7044 are available in the product data sheet, which should be consulted in conjunction with this user guide when working with the evaluation board.

Markets and Technologies

Applicable Parts

Documentation & Resources

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  • User Guides (1)
  • Evaluation Design Files (2)
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    Software

    Design Tools

    ADIsimCLK Design and Evaluation Software
    ADIsimCLK is the design tool developed specifically for Analog Devices' range of ultra-low jitter clock distribution and clock generation products. Whether your application is in wireless infrastructure, instrumentation, networking, broadband, ATE or other areas demanding predictable clock performance, ADIsimCLK will enable you to rapidly develop, evaluate and optimize your design.

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    Pricing displayed is based on 1-piece.

    Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.