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SY88353BL - Limiting Post Amplifier

Description

The SY88353BL limiting post amplifier is designed for use in fiber-optic receivers, and is specially optimized for WDM applications where optical amplifiers such as EDFAs and Raman amplifier are used.

The device connects to typical transimpedance amplifiers (TIAs).

Features

  • a pin at which an external voltage can be applied to move the crossing point up and down, from 20% to 80%, for BER optimization purposes. The SY88353BL operates from a single +3.3V power supply, over temperatures ranging from.
  • 40oC to +85oC. Signals with data rates from 155Mbps up to 3.2Gbps, and as small as10mVpp, can be amplified to drive devices with CML or PECL inputs. The SY88353L features a Loss-of-Signal (LOS) opencollector TTL output. A programmable Loss-of-Signal level set pin (.

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Datasheet Details

Part number SY88353BL
Manufacturer Micrel Semiconductor
File Size 460.97 KB
Description Limiting Post Amplifier
Datasheet download datasheet SY88353BL Datasheet

Full PDF Text Transcription (Reference)

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SY88353BL 3.3V, 3.2 Gbps Limiting Post Amplifier with Programmable Decision Threshold General Description The SY88353BL limiting post amplifier is designed for use in fiber-optic receivers, and is specially optimized for WDM applications where optical amplifiers such as EDFAs and Raman amplifier are used. The device connects to typical transimpedance amplifiers (TIAs). The linear signal from TIAs can contain significant amounts of noise that is unevenly distributed between top and bottom rails due to the ASE noise generated by the optical amplifiers, crosstalk, or non-linear effect in the fiber. In order to optimize the BER in such noisy conditions, the decision threshold between bit 1 and bit 0, needs to be moved to the rail that contains less noise.
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