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Provisioning data rates using the AD9951 DDS as an agile reference clock for the ADN2812 continuous-rate CDR

Posted: 03 Sep 2010 ?? ?Print Version ?Bookmark and Share

Keywords:reference clock? ADN2812 continuous rate? AD9951 DDS?

This application note describes how to use the AD9951 direct digital synthesizer (DDS) as an agile reference clock generator for the ADN2812 continuous-rate clock and data recovery (CDR) device.

In a typical application, the ADN2812 will automatically lock to any incoming serial NRZ data stream between 10Mbit/s and 2.7Gbit/s without needing a reference clock as an acquisition aid or any programming for a specific data rate or range of data rates. This is ideal for protocol agnostic line cards that have multiple channels receiving different protocols at different data rates.

View the PDF document for more information.

Click here to view related datasheets.

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