Multi-Rate TIA/LA Optical Receiver
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PX6420 Multi-Rate TIA/LA Optical Receiver Product Brief
September 2004
Description The growing use...
Description
www.DataSheet4U.com
PX6420 Multi-Rate TIA/LA Optical Receiver Product Brief
September 2004
Description The growing use of the Internet has created increasingly higher demand for multi-Gb/s I/O performance. The demand and availability of 10 Gb/s+ WAN bandwidth fuels the growth of native 10 Gb/s infrastructures within MAN and enterprise datacenters. Features Integrated transimpedance and limiting amplifier for serial optical receiver applications Receiver sensitivity 20 µApp for 10-12 BER at 10 Gb/s Receive signal strength indicator (RSSI) for digital diagnostics and active alignment Loss of signal indicator (LOS) Optional squelch circuit disables output at low input levels Back-terminated 50-ohm CML output providing 250 mVpp differential amplitude No external passives required for photodiode bias network Single +3.3 V supply dissipating 115 mW 850 nm and 1310 nm receive optical subassemblies (ROSA) XFP, X2, XPAC, XENPAC optical modules 10GbE, 10GFC, 8GFC, 4GFC, OC-192 VSR Proprietary back plane optics The Primarion® PX6420 10 Gb/s receiver is a single channel TIA/LA optical receiver designed for various 10 Gb/s PMD applications. It consists of a transimpedance amplifier and an AC-coupled differential limiting amplifier. The transimpedance amplifier achieves a nominal bandwidth of 8 GHz over a wide range of photodiode input capacitance. A photodiode bias current monitor allows for a simple alignment procedure. The transimpedance amplifier is AC-coupled internally to a high-...
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