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AD9559 Multiservice Line Card Adaptive Clock Translator

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Description

Data Sheet AD9559 Dual PLL, Quad Input, Multiservice Line Card Adaptive Clock Translator .
The AD9559 is a low loop bandwidth clock multiplier that provides jitter cleanup and synchronization for many systems, including synchronous optical n.

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Features

* Supports GR-1244 Stratum 3 stability in holdover mode
* Supports smooth reference switchover with virtually no disturb- ance on output phase
* Supports Telcordia GR-253 jitter generation, transfer, and toler- ance for SONET/SDH up to OC-192 systems
* Supports ITU-T G.8262 synchrono

Applications

* Dual digital PLL architecture with four reference inputs (single- ended or differential)
* 4x2 crosspoint allows any reference input to drive either PLL
* Input reference frequencies from 2 kHz to 1250 MHz
* Reference validation and frequency monitoring (2 ppm)
* Programmable i

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