製品概要

機能と利点

  • Simple power connection using USB connection and on-board LDO voltage regulators
  • LDOs are easily bypassed for power measurements
  • AC-coupled differential SMA connectors
  • SMA connectors for
    2 reference inputs
    2 PLL status outputs
    1 reference test input
    2 VCXO interface inputs/outputs
  • Microsoft Windows®–based evaluation software with simple graphical user interface
  • On-board PLL loop filter
  • Easy access to digital I/O and diagnostic signals via I/O header
  • Status LEDs for diagnostic signals
  • USB computer interface
  • Software calculator provides flexibility, allowing programming of almost any rational input/output frequency ratio

製品概要

The AD9523-1 is designed to support the clock requirements for long-term evolution (LTE) and multicarrier GSM base station designs. It relies on an external VCXO to provide the reference jitter cleanup to achieve the restrictive low phase noise requirements necessary for acceptable data converter SNR performance. The AD9523-1 evaluation board is a compact, easy-to-use platform for evaluating all features of the AD9523-1. A 122.88 MHz VCXO is mounted on the evaluation board to provide a complete solution.


The input receivers are configured as differential but the evaluation board has baluns to provide a single-ended input for easy evaluation using common laboratory single-ended signal sources. Output 8 is connected to an ADCLK905 clock buffer to provide a way to evaluate an Analog Devices, Inc., buffer. Although the ADCLK905 is a 1-to-1 buffer, the performance is similar to the larger fanout buffer, for example, the 1-to-2 buffer, ADCLK925. Output 1 and Output 9 are configured with baluns to provide a single-ended output to drive most test equipment. Output 0 is configured for differential zero delay operation.

Markets & Technology

対象となる製品

ソフトウェア

評価用ソフトウェア

AD9523-1 Evaluation Software
ZIP
Readme file for Evaluation Board USB Flash Programmer for AD9523 and AD9524
Step by step instructions for re-flashing the USB EEPROM.
ZIP
Readme file for Evaluation Board USB Flash Programmer for AD9523-1
Step by step instructions for re-flashing the USB EEPROM
ZIP
Evaluation Board USB Flash Programmer
Contains the EXE file for re-flashing the eval board USB EEPROM to allow 32-bit and 64-bit Windows compatibility.
ZIP
AD9523-1 Evaluation Software
This software is 32- and 64-bit compatible.
ZIP
AD9523/AD9524 Evaluation Software (Version 2.1.3)
This software is 32- and 64-bit compatible.

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