Clock and data recovery

Quad 10Gb/s CDR with Rx Equalizer and Transmit De-

Overview

The GN2405A is a quad repeater/re-timer device designed to enhance the reach and robustness of high speed serial links by compensating for transmission losses and re-setting the crosstalk and jitter budget.
The GN2405A features Gennum's proven reference-free CDR architecture which simplifies system design and reduces overall cost. Each channel supports independent locking to data rates from 9.95 - 11.3Gb/s. To enable backward compatibility with legacy data rates, half rate (5Gb/s) and quarter rate (2.5Gb/s) operation is also supported. Other rates can be supported using the re-timer bypass feature.
The GN2405A can be used in multiple applications. It can be used as a CDR in parallel optical modules or in active copper cable assemblies.  It’s flexible de-emphasis driver and jitter performance are ideal for use as a line card or backplane repeater.

Key Applications

Optical modules and active copper cable assemblies for:
Infiniband® SDR/DDR/QDR
40Gb/s and 100Gb/s Ether

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