Quad Lane Extender

The QLx411GRx is a settable quad receive-side equalizer with extended functionality for advanced protocols operating with line rates up to 11.3Gb/s such as InfiniBand (SDR, DDR and QDR) and 40G Ethernet (40GBase-CR4). The QLx411GRx compensates for the frequency dependent attenuation of copper twin-axial cables, extending the signal reach up to at least 10m on 28AWG cable.

Features
• Supports data rates up to 11.3Gb/s
• Low power (135mW per channel)
• Low latency (<500ps)
• Four equalizers in a 4mmx7mm QFN package for straight route-through architecture and simplified routing
• Each equalizer boost is independently pin selectable
• Supports 64b/66b encoded data – long run lengths
• Line silence preservation
• 1.2V supply voltage
• Individual lane LOS support

Applications
• QSFP active copper cable modules
• InfiniBand SDR, DDR and QDR
• 40G Ethernet (40GBase-CR4)
• XAUI and RXAUI
• High-speed active cable assemblies
• High-speed printed circuit board (PCB) traces

Benefits
• Thinner gauge cable
• Extends cable reach greater than 3x
• Improved BER