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PDF PX6420 Data sheet ( Hoja de datos )
| Número de pieza | PX6420 | |
| Descripción | Multi-Rate TIA/LA Optical Receiver | |
| Fabricantes | Zarlink Semiconductor | |
| Logotipo |  |
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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
Applications
• 850 nm and 1310 nm receive optical sub-
assemblies (ROSA)
• XFP, X2, XPAC, XENPAC optical modules
• 10GbE, 10GFC, 8GFC, 4GFC, OC-192 VSR
• Proprietary back plane optics
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.
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-gain, high-bandwidth, limiting
amplifier. The limiting amplifier provides a
differential back-terminated CML output that can
be used to drive 10 Gb/s Serdes or other CML
compatible circuits.
Full diagnostics are delivered through loss of
signal, squelch, and received signal strength
indicator circuits.
1
Zarlink Semiconductor Inc.
1 page | ||
| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet PX6420.PDF ] | |
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